./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe012_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe012_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 697ff70a4856546a25a8cc2eb04fc80299855e02086960ffcc9a4790310db5da --- 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-e04fb08 [2022-11-16 12:43:45,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:43:45,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:43:45,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:43:45,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:43:45,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:43:45,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:43:45,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:43:45,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:43:45,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:43:45,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:43:45,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:43:45,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:43:45,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:43:45,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:43:45,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:43:45,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:43:45,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:43:45,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:43:45,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:43:45,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:43:45,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:43:45,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:43:45,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:43:45,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:43:45,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:43:45,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:43:45,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:43:45,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:43:45,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:43:45,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:43:45,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:43:45,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:43:45,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:43:45,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:43:45,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:43:45,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:43:45,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:43:45,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:43:45,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:43:45,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:43:45,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:43:46,013 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:43:46,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:43:46,014 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:43:46,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:43:46,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:43:46,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:43:46,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:43:46,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:43:46,017 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:43:46,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:43:46,017 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:43:46,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:43:46,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:43:46,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:43:46,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:43:46,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:43:46,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:43:46,019 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:43:46,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:43:46,020 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:43:46,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:43:46,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:43:46,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:43:46,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:43:46,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:46,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:43:46,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:43:46,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:43:46,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:43:46,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:43:46,023 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:43:46,023 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:43:46,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:43:46,024 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_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 697ff70a4856546a25a8cc2eb04fc80299855e02086960ffcc9a4790310db5da [2022-11-16 12:43:46,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:43:46,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:43:46,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:43:46,475 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:43:46,476 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:43:46,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-wmm/safe012_power.opt.i [2022-11-16 12:43:46,566 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/data/4d5bf4646/25e0a4e2f714420cbc8d72001a650c99/FLAG9c29b8110 [2022-11-16 12:43:47,244 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:43:47,245 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/sv-benchmarks/c/pthread-wmm/safe012_power.opt.i [2022-11-16 12:43:47,263 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/data/4d5bf4646/25e0a4e2f714420cbc8d72001a650c99/FLAG9c29b8110 [2022-11-16 12:43:47,512 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/data/4d5bf4646/25e0a4e2f714420cbc8d72001a650c99 [2022-11-16 12:43:47,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:43:47,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:43:47,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:47,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:43:47,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:43:47,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:47" (1/1) ... [2022-11-16 12:43:47,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199c2f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:47, skipping insertion in model container [2022-11-16 12:43:47,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:47" (1/1) ... [2022-11-16 12:43:47,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:43:47,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:43:47,969 WARN L229 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_b9191e36-36fe-42a4-afc6-66d14fbf22c2/sv-benchmarks/c/pthread-wmm/safe012_power.opt.i[951,964] [2022-11-16 12:43:48,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:48,332 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:43:48,347 WARN L229 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_b9191e36-36fe-42a4-afc6-66d14fbf22c2/sv-benchmarks/c/pthread-wmm/safe012_power.opt.i[951,964] [2022-11-16 12:43:48,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:48,464 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:43:48,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:48 WrapperNode [2022-11-16 12:43:48,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:48,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:48,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:43:48,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:43:48,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:48" (1/1) ... [2022-11-16 12:43:48,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:48" (1/1) ... [2022-11-16 12:43:48,568 INFO L138 Inliner]: procedures = 176, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 181 [2022-11-16 12:43:48,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:48,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:43:48,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:43:48,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:43:48,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:48" (1/1) ... [2022-11-16 12:43:48,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:48" (1/1) ... [2022-11-16 12:43:48,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:48" (1/1) ... [2022-11-16 12:43:48,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:48" (1/1) ... [2022-11-16 12:43:48,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:48" (1/1) ... [2022-11-16 12:43:48,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:48" (1/1) ... [2022-11-16 12:43:48,631 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:48" (1/1) ... [2022-11-16 12:43:48,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:48" (1/1) ... [2022-11-16 12:43:48,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:43:48,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:43:48,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:43:48,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:43:48,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:48" (1/1) ... [2022-11-16 12:43:48,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:48,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:48,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:48,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:43:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:43:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:43:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 12:43:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:43:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:43:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:43:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-16 12:43:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-16 12:43:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-16 12:43:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-16 12:43:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-16 12:43:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-16 12:43:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:43:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 12:43:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:43:48,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:43:48,756 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:43:48,992 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:43:48,994 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:43:49,546 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:43:49,844 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:43:49,844 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:43:49,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:49 BoogieIcfgContainer [2022-11-16 12:43:49,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:43:49,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:43:49,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:43:49,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:43:49,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:43:47" (1/3) ... [2022-11-16 12:43:49,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258566f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:49, skipping insertion in model container [2022-11-16 12:43:49,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:48" (2/3) ... [2022-11-16 12:43:49,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258566f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:49, skipping insertion in model container [2022-11-16 12:43:49,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:49" (3/3) ... [2022-11-16 12:43:49,859 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_power.opt.i [2022-11-16 12:43:49,871 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:43:49,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:43:49,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-16 12:43:49,882 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:43:50,021 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 12:43:50,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 134 transitions, 283 flow [2022-11-16 12:43:50,183 INFO L130 PetriNetUnfolder]: 2/131 cut-off events. [2022-11-16 12:43:50,183 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:43:50,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 131 events. 2/131 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2022-11-16 12:43:50,192 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 134 transitions, 283 flow [2022-11-16 12:43:50,201 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 139 places, 131 transitions, 271 flow [2022-11-16 12:43:50,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:43:50,223 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;@54a0907a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:43:50,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-16 12:43:50,262 INFO L130 PetriNetUnfolder]: 0/81 cut-off events. [2022-11-16 12:43:50,262 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:43:50,262 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:50,263 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:50,264 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-11-16 12:43:50,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:50,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1370189051, now seen corresponding path program 1 times [2022-11-16 12:43:50,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:50,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356099148] [2022-11-16 12:43:50,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:50,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:50,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:50,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:50,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356099148] [2022-11-16 12:43:50,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356099148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:50,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:50,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:43:50,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975713096] [2022-11-16 12:43:50,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:50,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:51,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:51,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:51,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:51,033 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 134 [2022-11-16 12:43:51,037 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 131 transitions, 271 flow. Second operand has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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) [2022-11-16 12:43:51,037 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:51,037 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 134 [2022-11-16 12:43:51,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:51,284 INFO L130 PetriNetUnfolder]: 30/246 cut-off events. [2022-11-16 12:43:51,284 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-16 12:43:51,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 246 events. 30/246 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 652 event pairs, 4 based on Foata normal form. 8/242 useless extension candidates. Maximal degree in co-relation 251. Up to 47 conditions per place. [2022-11-16 12:43:51,291 INFO L137 encePairwiseOnDemand]: 129/134 looper letters, 13 selfloop transitions, 2 changer transitions 0/132 dead transitions. [2022-11-16 12:43:51,292 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 132 transitions, 306 flow [2022-11-16 12:43:51,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:43:51,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:43:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 380 transitions. [2022-11-16 12:43:51,317 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.945273631840796 [2022-11-16 12:43:51,318 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 380 transitions. [2022-11-16 12:43:51,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 380 transitions. [2022-11-16 12:43:51,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:51,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 380 transitions. [2022-11-16 12:43:51,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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) [2022-11-16 12:43:51,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2022-11-16 12:43:51,337 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2022-11-16 12:43:51,339 INFO L175 Difference]: Start difference. First operand has 139 places, 131 transitions, 271 flow. Second operand 3 states and 380 transitions. [2022-11-16 12:43:51,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 132 transitions, 306 flow [2022-11-16 12:43:51,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 132 transitions, 302 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-16 12:43:51,349 INFO L231 Difference]: Finished difference. Result has 136 places, 127 transitions, 264 flow [2022-11-16 12:43:51,351 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=136, PETRI_TRANSITIONS=127} [2022-11-16 12:43:51,355 INFO L288 CegarLoopForPetriNet]: 139 programPoint places, -3 predicate places. [2022-11-16 12:43:51,356 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 127 transitions, 264 flow [2022-11-16 12:43:51,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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) [2022-11-16 12:43:51,356 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:51,357 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, 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] [2022-11-16 12:43:51,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:43:51,358 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-11-16 12:43:51,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:51,358 INFO L85 PathProgramCache]: Analyzing trace with hash -113591957, now seen corresponding path program 1 times [2022-11-16 12:43:51,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:51,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986714391] [2022-11-16 12:43:51,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:51,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:52,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:52,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986714391] [2022-11-16 12:43:52,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986714391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:52,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:52,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:43:52,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650817510] [2022-11-16 12:43:52,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:52,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:43:52,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:52,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:43:52,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:43:52,048 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 134 [2022-11-16 12:43:52,049 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 127 transitions, 264 flow. Second operand has 6 states, 6 states have (on average 114.83333333333333) internal successors, (689), 6 states have internal predecessors, (689), 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) [2022-11-16 12:43:52,049 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:52,049 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 134 [2022-11-16 12:43:52,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:52,815 INFO L130 PetriNetUnfolder]: 285/1040 cut-off events. [2022-11-16 12:43:52,815 INFO L131 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2022-11-16 12:43:52,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1599 conditions, 1040 events. 285/1040 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 6710 event pairs, 18 based on Foata normal form. 0/1011 useless extension candidates. Maximal degree in co-relation 1527. Up to 188 conditions per place. [2022-11-16 12:43:52,827 INFO L137 encePairwiseOnDemand]: 128/134 looper letters, 21 selfloop transitions, 2 changer transitions 48/170 dead transitions. [2022-11-16 12:43:52,828 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 170 transitions, 488 flow [2022-11-16 12:43:52,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:43:52,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-16 12:43:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1079 transitions. [2022-11-16 12:43:52,836 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8946932006633499 [2022-11-16 12:43:52,836 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1079 transitions. [2022-11-16 12:43:52,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1079 transitions. [2022-11-16 12:43:52,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:52,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1079 transitions. [2022-11-16 12:43:52,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 119.88888888888889) internal successors, (1079), 9 states have internal predecessors, (1079), 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) [2022-11-16 12:43:52,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 134.0) internal successors, (1340), 10 states have internal predecessors, (1340), 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) [2022-11-16 12:43:52,850 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 134.0) internal successors, (1340), 10 states have internal predecessors, (1340), 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) [2022-11-16 12:43:52,850 INFO L175 Difference]: Start difference. First operand has 136 places, 127 transitions, 264 flow. Second operand 9 states and 1079 transitions. [2022-11-16 12:43:52,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 170 transitions, 488 flow [2022-11-16 12:43:52,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 170 transitions, 470 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:43:52,859 INFO L231 Difference]: Finished difference. Result has 149 places, 115 transitions, 256 flow [2022-11-16 12:43:52,860 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=256, PETRI_PLACES=149, PETRI_TRANSITIONS=115} [2022-11-16 12:43:52,861 INFO L288 CegarLoopForPetriNet]: 139 programPoint places, 10 predicate places. [2022-11-16 12:43:52,861 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 115 transitions, 256 flow [2022-11-16 12:43:52,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.83333333333333) internal successors, (689), 6 states have internal predecessors, (689), 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) [2022-11-16 12:43:52,863 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:52,863 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, 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] [2022-11-16 12:43:52,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:43:52,864 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-11-16 12:43:52,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:52,867 INFO L85 PathProgramCache]: Analyzing trace with hash 371386700, now seen corresponding path program 1 times [2022-11-16 12:43:52,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:52,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602998680] [2022-11-16 12:43:52,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:52,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:53,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:53,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:53,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602998680] [2022-11-16 12:43:53,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602998680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:53,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:53,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:43:53,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809241103] [2022-11-16 12:43:53,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:53,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:43:53,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:53,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:43:53,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:43:53,503 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 134 [2022-11-16 12:43:53,505 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 115 transitions, 256 flow. Second operand has 7 states, 7 states have (on average 114.71428571428571) internal successors, (803), 7 states have internal predecessors, (803), 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) [2022-11-16 12:43:53,505 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:53,505 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 134 [2022-11-16 12:43:53,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:53,938 INFO L130 PetriNetUnfolder]: 95/333 cut-off events. [2022-11-16 12:43:53,938 INFO L131 PetriNetUnfolder]: For 81/81 co-relation queries the response was YES. [2022-11-16 12:43:53,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 623 conditions, 333 events. 95/333 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1200 event pairs, 22 based on Foata normal form. 9/332 useless extension candidates. Maximal degree in co-relation 569. Up to 92 conditions per place. [2022-11-16 12:43:53,941 INFO L137 encePairwiseOnDemand]: 127/134 looper letters, 16 selfloop transitions, 3 changer transitions 25/143 dead transitions. [2022-11-16 12:43:53,941 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 143 transitions, 418 flow [2022-11-16 12:43:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:43:53,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-16 12:43:53,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1176 transitions. [2022-11-16 12:43:53,945 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8776119402985074 [2022-11-16 12:43:53,946 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1176 transitions. [2022-11-16 12:43:53,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1176 transitions. [2022-11-16 12:43:53,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:53,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1176 transitions. [2022-11-16 12:43:53,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 117.6) internal successors, (1176), 10 states have internal predecessors, (1176), 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) [2022-11-16 12:43:53,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 134.0) internal successors, (1474), 11 states have internal predecessors, (1474), 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) [2022-11-16 12:43:53,955 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 134.0) internal successors, (1474), 11 states have internal predecessors, (1474), 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) [2022-11-16 12:43:53,955 INFO L175 Difference]: Start difference. First operand has 149 places, 115 transitions, 256 flow. Second operand 10 states and 1176 transitions. [2022-11-16 12:43:53,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 143 transitions, 418 flow [2022-11-16 12:43:53,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 143 transitions, 386 flow, removed 14 selfloop flow, removed 8 redundant places. [2022-11-16 12:43:53,961 INFO L231 Difference]: Finished difference. Result has 139 places, 115 transitions, 262 flow [2022-11-16 12:43:53,962 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=262, PETRI_PLACES=139, PETRI_TRANSITIONS=115} [2022-11-16 12:43:53,963 INFO L288 CegarLoopForPetriNet]: 139 programPoint places, 0 predicate places. [2022-11-16 12:43:53,963 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 115 transitions, 262 flow [2022-11-16 12:43:53,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 114.71428571428571) internal successors, (803), 7 states have internal predecessors, (803), 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) [2022-11-16 12:43:53,964 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:53,964 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, 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] [2022-11-16 12:43:53,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:43:53,964 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-11-16 12:43:53,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:53,965 INFO L85 PathProgramCache]: Analyzing trace with hash -715156247, now seen corresponding path program 1 times [2022-11-16 12:43:53,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:53,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73870380] [2022-11-16 12:43:53,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:53,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:54,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:54,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73870380] [2022-11-16 12:43:54,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73870380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:54,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:54,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:43:54,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785358954] [2022-11-16 12:43:54,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:54,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:43:54,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:54,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:43:54,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:43:54,386 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 134 [2022-11-16 12:43:54,389 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 115 transitions, 262 flow. Second operand has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 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) [2022-11-16 12:43:54,389 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:54,389 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 134 [2022-11-16 12:43:54,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:54,828 INFO L130 PetriNetUnfolder]: 168/543 cut-off events. [2022-11-16 12:43:54,828 INFO L131 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2022-11-16 12:43:54,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1033 conditions, 543 events. 168/543 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2544 event pairs, 43 based on Foata normal form. 9/519 useless extension candidates. Maximal degree in co-relation 978. Up to 98 conditions per place. [2022-11-16 12:43:54,833 INFO L137 encePairwiseOnDemand]: 126/134 looper letters, 21 selfloop transitions, 4 changer transitions 27/149 dead transitions. [2022-11-16 12:43:54,834 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 149 transitions, 459 flow [2022-11-16 12:43:54,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:43:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-16 12:43:54,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1164 transitions. [2022-11-16 12:43:54,838 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8686567164179104 [2022-11-16 12:43:54,838 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1164 transitions. [2022-11-16 12:43:54,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1164 transitions. [2022-11-16 12:43:54,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:54,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1164 transitions. [2022-11-16 12:43:54,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 116.4) internal successors, (1164), 10 states have internal predecessors, (1164), 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) [2022-11-16 12:43:54,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 134.0) internal successors, (1474), 11 states have internal predecessors, (1474), 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) [2022-11-16 12:43:54,853 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 134.0) internal successors, (1474), 11 states have internal predecessors, (1474), 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) [2022-11-16 12:43:54,853 INFO L175 Difference]: Start difference. First operand has 139 places, 115 transitions, 262 flow. Second operand 10 states and 1164 transitions. [2022-11-16 12:43:54,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 149 transitions, 459 flow [2022-11-16 12:43:54,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 149 transitions, 425 flow, removed 14 selfloop flow, removed 9 redundant places. [2022-11-16 12:43:54,862 INFO L231 Difference]: Finished difference. Result has 141 places, 115 transitions, 274 flow [2022-11-16 12:43:54,862 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=274, PETRI_PLACES=141, PETRI_TRANSITIONS=115} [2022-11-16 12:43:54,869 INFO L288 CegarLoopForPetriNet]: 139 programPoint places, 2 predicate places. [2022-11-16 12:43:54,869 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 115 transitions, 274 flow [2022-11-16 12:43:54,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 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) [2022-11-16 12:43:54,871 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:54,871 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, 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] [2022-11-16 12:43:54,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:43:54,872 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-11-16 12:43:54,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:54,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1285504318, now seen corresponding path program 1 times [2022-11-16 12:43:54,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:54,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167599149] [2022-11-16 12:43:54,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:54,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:55,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:55,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167599149] [2022-11-16 12:43:55,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167599149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:55,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:55,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:43:55,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85578593] [2022-11-16 12:43:55,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:55,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:43:55,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:55,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:43:55,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:43:55,388 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 134 [2022-11-16 12:43:55,390 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 115 transitions, 274 flow. Second operand has 6 states, 6 states have (on average 112.16666666666667) internal successors, (673), 6 states have internal predecessors, (673), 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) [2022-11-16 12:43:55,390 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:55,390 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 134 [2022-11-16 12:43:55,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:56,009 INFO L130 PetriNetUnfolder]: 506/1195 cut-off events. [2022-11-16 12:43:56,010 INFO L131 PetriNetUnfolder]: For 170/171 co-relation queries the response was YES. [2022-11-16 12:43:56,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2286 conditions, 1195 events. 506/1195 cut-off events. For 170/171 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 7121 event pairs, 20 based on Foata normal form. 0/1163 useless extension candidates. Maximal degree in co-relation 2202. Up to 335 conditions per place. [2022-11-16 12:43:56,018 INFO L137 encePairwiseOnDemand]: 124/134 looper letters, 28 selfloop transitions, 6 changer transitions 45/174 dead transitions. [2022-11-16 12:43:56,019 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 174 transitions, 559 flow [2022-11-16 12:43:56,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:43:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-16 12:43:56,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1181 transitions. [2022-11-16 12:43:56,026 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8813432835820896 [2022-11-16 12:43:56,027 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1181 transitions. [2022-11-16 12:43:56,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1181 transitions. [2022-11-16 12:43:56,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:56,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1181 transitions. [2022-11-16 12:43:56,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 118.1) internal successors, (1181), 10 states have internal predecessors, (1181), 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) [2022-11-16 12:43:56,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 134.0) internal successors, (1474), 11 states have internal predecessors, (1474), 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) [2022-11-16 12:43:56,036 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 134.0) internal successors, (1474), 11 states have internal predecessors, (1474), 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) [2022-11-16 12:43:56,036 INFO L175 Difference]: Start difference. First operand has 141 places, 115 transitions, 274 flow. Second operand 10 states and 1181 transitions. [2022-11-16 12:43:56,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 174 transitions, 559 flow [2022-11-16 12:43:56,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 174 transitions, 522 flow, removed 9 selfloop flow, removed 11 redundant places. [2022-11-16 12:43:56,043 INFO L231 Difference]: Finished difference. Result has 139 places, 117 transitions, 298 flow [2022-11-16 12:43:56,044 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=298, PETRI_PLACES=139, PETRI_TRANSITIONS=117} [2022-11-16 12:43:56,045 INFO L288 CegarLoopForPetriNet]: 139 programPoint places, 0 predicate places. [2022-11-16 12:43:56,045 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 117 transitions, 298 flow [2022-11-16 12:43:56,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.16666666666667) internal successors, (673), 6 states have internal predecessors, (673), 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) [2022-11-16 12:43:56,046 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:56,046 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, 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] [2022-11-16 12:43:56,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:43:56,047 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-11-16 12:43:56,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:56,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1374467167, now seen corresponding path program 1 times [2022-11-16 12:43:56,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:56,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998161315] [2022-11-16 12:43:56,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:56,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:56,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:56,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:56,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998161315] [2022-11-16 12:43:56,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998161315] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:56,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:56,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:43:56,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321753524] [2022-11-16 12:43:56,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:56,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:43:56,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:56,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:43:56,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:43:56,518 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 134 [2022-11-16 12:43:56,519 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 117 transitions, 298 flow. Second operand has 7 states, 7 states have (on average 112.14285714285714) internal successors, (785), 7 states have internal predecessors, (785), 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) [2022-11-16 12:43:56,520 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:56,520 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 134 [2022-11-16 12:43:56,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:56,951 INFO L130 PetriNetUnfolder]: 180/543 cut-off events. [2022-11-16 12:43:56,951 INFO L131 PetriNetUnfolder]: For 557/563 co-relation queries the response was YES. [2022-11-16 12:43:56,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1387 conditions, 543 events. 180/543 cut-off events. For 557/563 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2483 event pairs, 6 based on Foata normal form. 21/560 useless extension candidates. Maximal degree in co-relation 1306. Up to 136 conditions per place. [2022-11-16 12:43:56,955 INFO L137 encePairwiseOnDemand]: 125/134 looper letters, 30 selfloop transitions, 9 changer transitions 33/167 dead transitions. [2022-11-16 12:43:56,955 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 167 transitions, 671 flow [2022-11-16 12:43:56,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:43:56,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-16 12:43:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1174 transitions. [2022-11-16 12:43:56,959 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8761194029850746 [2022-11-16 12:43:56,959 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1174 transitions. [2022-11-16 12:43:56,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1174 transitions. [2022-11-16 12:43:56,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:56,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1174 transitions. [2022-11-16 12:43:56,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 117.4) internal successors, (1174), 10 states have internal predecessors, (1174), 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) [2022-11-16 12:43:56,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 134.0) internal successors, (1474), 11 states have internal predecessors, (1474), 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) [2022-11-16 12:43:56,967 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 134.0) internal successors, (1474), 11 states have internal predecessors, (1474), 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) [2022-11-16 12:43:56,967 INFO L175 Difference]: Start difference. First operand has 139 places, 117 transitions, 298 flow. Second operand 10 states and 1174 transitions. [2022-11-16 12:43:56,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 167 transitions, 671 flow [2022-11-16 12:43:56,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 167 transitions, 647 flow, removed 7 selfloop flow, removed 5 redundant places. [2022-11-16 12:43:56,973 INFO L231 Difference]: Finished difference. Result has 143 places, 120 transitions, 366 flow [2022-11-16 12:43:56,973 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=366, PETRI_PLACES=143, PETRI_TRANSITIONS=120} [2022-11-16 12:43:56,974 INFO L288 CegarLoopForPetriNet]: 139 programPoint places, 4 predicate places. [2022-11-16 12:43:56,974 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 120 transitions, 366 flow [2022-11-16 12:43:56,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 112.14285714285714) internal successors, (785), 7 states have internal predecessors, (785), 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) [2022-11-16 12:43:56,975 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:56,975 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, 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] [2022-11-16 12:43:56,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:43:56,976 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-11-16 12:43:56,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:56,976 INFO L85 PathProgramCache]: Analyzing trace with hash -899096254, now seen corresponding path program 1 times [2022-11-16 12:43:56,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:56,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649657516] [2022-11-16 12:43:56,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:56,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:57,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:57,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:57,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649657516] [2022-11-16 12:43:57,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649657516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:57,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:57,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:43:57,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589842403] [2022-11-16 12:43:57,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:57,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:43:57,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:57,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:43:57,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:43:57,481 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 134 [2022-11-16 12:43:57,482 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 120 transitions, 366 flow. Second operand has 8 states, 8 states have (on average 112.0) internal successors, (896), 8 states have internal predecessors, (896), 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) [2022-11-16 12:43:57,482 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:57,482 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 134 [2022-11-16 12:43:57,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:57,837 INFO L130 PetriNetUnfolder]: 52/259 cut-off events. [2022-11-16 12:43:57,838 INFO L131 PetriNetUnfolder]: For 510/536 co-relation queries the response was YES. [2022-11-16 12:43:57,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 669 conditions, 259 events. 52/259 cut-off events. For 510/536 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 750 event pairs, 6 based on Foata normal form. 13/267 useless extension candidates. Maximal degree in co-relation 639. Up to 49 conditions per place. [2022-11-16 12:43:57,840 INFO L137 encePairwiseOnDemand]: 125/134 looper letters, 21 selfloop transitions, 12 changer transitions 19/147 dead transitions. [2022-11-16 12:43:57,840 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 147 transitions, 626 flow [2022-11-16 12:43:57,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 12:43:57,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 12:43:57,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1264 transitions. [2022-11-16 12:43:57,845 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8575305291723202 [2022-11-16 12:43:57,845 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1264 transitions. [2022-11-16 12:43:57,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1264 transitions. [2022-11-16 12:43:57,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:57,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1264 transitions. [2022-11-16 12:43:57,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 114.9090909090909) internal successors, (1264), 11 states have internal predecessors, (1264), 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) [2022-11-16 12:43:57,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 134.0) internal successors, (1608), 12 states have internal predecessors, (1608), 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) [2022-11-16 12:43:57,856 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 134.0) internal successors, (1608), 12 states have internal predecessors, (1608), 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) [2022-11-16 12:43:57,856 INFO L175 Difference]: Start difference. First operand has 143 places, 120 transitions, 366 flow. Second operand 11 states and 1264 transitions. [2022-11-16 12:43:57,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 147 transitions, 626 flow [2022-11-16 12:43:57,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 147 transitions, 527 flow, removed 39 selfloop flow, removed 10 redundant places. [2022-11-16 12:43:57,862 INFO L231 Difference]: Finished difference. Result has 145 places, 120 transitions, 352 flow [2022-11-16 12:43:57,862 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=352, PETRI_PLACES=145, PETRI_TRANSITIONS=120} [2022-11-16 12:43:57,863 INFO L288 CegarLoopForPetriNet]: 139 programPoint places, 6 predicate places. [2022-11-16 12:43:57,863 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 120 transitions, 352 flow [2022-11-16 12:43:57,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 112.0) internal successors, (896), 8 states have internal predecessors, (896), 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) [2022-11-16 12:43:57,864 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:57,865 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, 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] [2022-11-16 12:43:57,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:43:57,865 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-11-16 12:43:57,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:57,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1735325532, now seen corresponding path program 1 times [2022-11-16 12:43:57,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:57,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902641450] [2022-11-16 12:43:57,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:57,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:58,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:58,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:58,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902641450] [2022-11-16 12:43:58,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902641450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:58,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:58,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:43:58,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073259092] [2022-11-16 12:43:58,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:58,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:43:58,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:58,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:43:58,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:43:58,443 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 134 [2022-11-16 12:43:58,444 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 120 transitions, 352 flow. Second operand has 7 states, 7 states have (on average 113.57142857142857) internal successors, (795), 7 states have internal predecessors, (795), 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) [2022-11-16 12:43:58,444 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:58,444 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 134 [2022-11-16 12:43:58,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:58,713 INFO L130 PetriNetUnfolder]: 34/263 cut-off events. [2022-11-16 12:43:58,713 INFO L131 PetriNetUnfolder]: For 187/197 co-relation queries the response was YES. [2022-11-16 12:43:58,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 527 conditions, 263 events. 34/263 cut-off events. For 187/197 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 844 event pairs, 7 based on Foata normal form. 1/254 useless extension candidates. Maximal degree in co-relation 479. Up to 36 conditions per place. [2022-11-16 12:43:58,716 INFO L137 encePairwiseOnDemand]: 128/134 looper letters, 18 selfloop transitions, 1 changer transitions 11/132 dead transitions. [2022-11-16 12:43:58,716 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 132 transitions, 438 flow [2022-11-16 12:43:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:43:58,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-16 12:43:58,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 808 transitions. [2022-11-16 12:43:58,720 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8614072494669509 [2022-11-16 12:43:58,720 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 808 transitions. [2022-11-16 12:43:58,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 808 transitions. [2022-11-16 12:43:58,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:58,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 808 transitions. [2022-11-16 12:43:58,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 115.42857142857143) internal successors, (808), 7 states have internal predecessors, (808), 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) [2022-11-16 12:43:58,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 134.0) internal successors, (1072), 8 states have internal predecessors, (1072), 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) [2022-11-16 12:43:58,727 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 134.0) internal successors, (1072), 8 states have internal predecessors, (1072), 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) [2022-11-16 12:43:58,727 INFO L175 Difference]: Start difference. First operand has 145 places, 120 transitions, 352 flow. Second operand 7 states and 808 transitions. [2022-11-16 12:43:58,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 132 transitions, 438 flow [2022-11-16 12:43:58,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 132 transitions, 356 flow, removed 22 selfloop flow, removed 15 redundant places. [2022-11-16 12:43:58,733 INFO L231 Difference]: Finished difference. Result has 137 places, 120 transitions, 283 flow [2022-11-16 12:43:58,733 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=283, PETRI_PLACES=137, PETRI_TRANSITIONS=120} [2022-11-16 12:43:58,734 INFO L288 CegarLoopForPetriNet]: 139 programPoint places, -2 predicate places. [2022-11-16 12:43:58,734 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 120 transitions, 283 flow [2022-11-16 12:43:58,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 113.57142857142857) internal successors, (795), 7 states have internal predecessors, (795), 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) [2022-11-16 12:43:58,735 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:58,736 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, 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] [2022-11-16 12:43:58,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:43:58,736 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-11-16 12:43:58,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:58,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1214244528, now seen corresponding path program 2 times [2022-11-16 12:43:58,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:58,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151623588] [2022-11-16 12:43:58,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:58,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:58,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:43:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:59,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:43:59,035 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:43:59,037 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-11-16 12:43:59,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-11-16 12:43:59,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-11-16 12:43:59,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-11-16 12:43:59,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2022-11-16 12:43:59,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-11-16 12:43:59,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:43:59,041 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:59,049 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:43:59,049 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:43:59,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:43:59 BasicIcfg [2022-11-16 12:43:59,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:43:59,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:43:59,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:43:59,310 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:43:59,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:49" (3/4) ... [2022-11-16 12:43:59,312 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 12:43:59,547 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:43:59,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:43:59,548 INFO L158 Benchmark]: Toolchain (without parser) took 12028.27ms. Allocated memory was 117.4MB in the beginning and 318.8MB in the end (delta: 201.3MB). Free memory was 77.6MB in the beginning and 231.5MB in the end (delta: -153.9MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2022-11-16 12:43:59,548 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory was 96.1MB in the beginning and 95.9MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:43:59,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 941.09ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 78.3MB in the end (delta: -1.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:43:59,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.80ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:43:59,550 INFO L158 Benchmark]: Boogie Preprocessor took 81.03ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 73.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:43:59,550 INFO L158 Benchmark]: RCFGBuilder took 1196.15ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 53.5MB in the end (delta: 20.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-16 12:43:59,551 INFO L158 Benchmark]: TraceAbstraction took 9457.29ms. Allocated memory was 117.4MB in the beginning and 318.8MB in the end (delta: 201.3MB). Free memory was 52.9MB in the beginning and 277.6MB in the end (delta: -224.7MB). Peak memory consumption was 123.6MB. Max. memory is 16.1GB. [2022-11-16 12:43:59,551 INFO L158 Benchmark]: Witness Printer took 238.16ms. Allocated memory is still 318.8MB. Free memory was 277.6MB in the beginning and 231.5MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-16 12:43:59,553 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory was 96.1MB in the beginning and 95.9MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 941.09ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 78.3MB in the end (delta: -1.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.80ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.03ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 73.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1196.15ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 53.5MB in the end (delta: 20.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9457.29ms. Allocated memory was 117.4MB in the beginning and 318.8MB in the end (delta: 201.3MB). Free memory was 52.9MB in the beginning and 277.6MB in the end (delta: -224.7MB). Peak memory consumption was 123.6MB. Max. memory is 16.1GB. * Witness Printer took 238.16ms. Allocated memory is still 318.8MB. Free memory was 277.6MB in the beginning and 231.5MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L750] 0 int y$w_buff0; VAL [y$w_buff0=0] [L752] 0 int y$w_buff1; VAL [y$w_buff0=0, y$w_buff1=0] [L739] 0 int y$mem_tmp; VAL [y$mem_tmp=0, y$w_buff0=0, y$w_buff1=0] [L731] 0 _Bool __unbuffered_p2_EAX$w_buff1_used; VAL [__unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$w_buff0=0, y$w_buff1=0] [L748] 0 _Bool y$read_delayed; VAL [__unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$w_buff0=0, y$w_buff1=0] [L727] 0 int *__unbuffered_p2_EAX$read_delayed_var; VAL [__unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$w_buff0=0, y$w_buff1=0] [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$w_buff0=0, y$w_buff1=0] [L753] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L728] 0 int __unbuffered_p2_EAX$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L749] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L725] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L730] 0 int __unbuffered_p2_EAX$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L724] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L723] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L722] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L729] 0 _Bool __unbuffered_p2_EAX$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L717] 0 int __unbuffered_p2_EAX$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L726] 0 _Bool __unbuffered_p2_EAX$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L756] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, weak$$choice0=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L757] 0 _Bool weak$$choice1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, weak$$choice0=0, weak$$choice1=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L758] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L742] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$mem_tmp=0, y$r_buff0_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L743] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$mem_tmp=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L740] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L741] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L715] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L738] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L713] 0 int __unbuffered_p0_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L720] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L719] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L718] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L733] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L732] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L721] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L751] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L735] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L744] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L737] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L746] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L755] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L745] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L716] 0 _Bool __unbuffered_p2_EAX$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L747] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L850] 0 pthread_t t2052; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t2052={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L851] FCALL, FORK 0 pthread_create(&t2052, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2052, ((void *)0), P0, ((void *)0))=0, t2052={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L852] 0 pthread_t t2053; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2052={5:0}, t2053={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L853] FCALL, FORK 0 pthread_create(&t2053, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2053, ((void *)0), P1, ((void *)0))=1, t2052={5:0}, t2053={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L854] 0 pthread_t t2054; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2052={5:0}, t2053={7:0}, t2054={8:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L855] FCALL, FORK 0 pthread_create(&t2054, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2054, ((void *)0), P2, ((void *)0))=2, t2052={5:0}, t2053={7:0}, t2054={8:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L806] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L807] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L808] 3 y$flush_delayed = weak$$choice2 [L809] EXPR 3 \read(y) [L809] 3 y$mem_tmp = y [L810] 3 weak$$choice1 = __VERIFIER_nondet_bool() [L811] EXPR 3 !y$w_buff0_used ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? (weak$$choice0 ? y : (weak$$choice1 ? y$w_buff0 : y$w_buff1)) : (y$w_buff0_used && y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? (weak$$choice0 ? y$w_buff1 : y$w_buff0) : (weak$$choice0 ? y$w_buff0 : y)))) [L811] EXPR 3 \read(y) [L811] EXPR 3 !y$w_buff0_used ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? (weak$$choice0 ? y : (weak$$choice1 ? y$w_buff0 : y$w_buff1)) : (y$w_buff0_used && y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? (weak$$choice0 ? y$w_buff1 : y$w_buff0) : (weak$$choice0 ? y$w_buff0 : y)))) [L811] 3 y = !y$w_buff0_used ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? (weak$$choice0 ? y : (weak$$choice1 ? y$w_buff0 : y$w_buff1)) : (y$w_buff0_used && y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? (weak$$choice0 ? y$w_buff1 : y$w_buff0) : (weak$$choice0 ? y$w_buff0 : y)))) [L812] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)))) [L813] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : (y$w_buff0_used && !y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)))) [L814] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? weak$$choice0 || !weak$$choice1 : (y$w_buff0_used && y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? weak$$choice0 : weak$$choice0)))) [L815] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? weak$$choice0 : (y$w_buff0_used && y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)))) [L816] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)))) [L817] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? (weak$$choice0 ? y$r_buff1_thd3 : (_Bool)0) : (y$w_buff0_used && y$r_buff1_thd3 && y$w_buff1_used && !y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)))) [L818] 3 __unbuffered_p2_EAX$read_delayed = (_Bool)1 [L819] 3 __unbuffered_p2_EAX$read_delayed_var = &y [L820] EXPR 3 \read(y) [L820] 3 __unbuffered_p2_EAX = y [L821] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L821] 3 y = y$flush_delayed ? y$mem_tmp : y [L822] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=1, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L825] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=1, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] 1 __unbuffered_p0_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=1, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L765] 1 __unbuffered_p0_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=1, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L828] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L828] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L828] EXPR 3 \read(y) [L828] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L828] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L828] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L829] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L830] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L831] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L832] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=1, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L777] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=1, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L780] 2 y$w_buff1 = y$w_buff0 [L781] 2 y$w_buff0 = 1 [L782] 2 y$w_buff1_used = y$w_buff0_used [L783] 2 y$w_buff0_used = (_Bool)1 [L784] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L784] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L785] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L786] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L787] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L788] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L789] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=1, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L792] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L792] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L793] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L794] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L795] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L796] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=1, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L799] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=1, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L835] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=1, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L770] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=1, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L857] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2052={5:0}, t2053={7:0}, t2054={8:0}, weak$$choice0=0, weak$$choice1=255, weak$$choice2=1, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L859] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=1, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L859] RET 0 assume_abort_if_not(main$tmp_guard0) [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L861] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L861] EXPR 0 \read(y) [L861] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L861] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L862] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L863] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L864] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L865] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2052={5:0}, t2053={7:0}, t2054={8:0}, weak$$choice0=0, weak$$choice1=255, weak$$choice2=1, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L868] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L869] EXPR 0 __unbuffered_p2_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p2_EAX$read_delayed_var : __unbuffered_p2_EAX) : __unbuffered_p2_EAX [L869] EXPR 0 weak$$choice1 ? *__unbuffered_p2_EAX$read_delayed_var : __unbuffered_p2_EAX [L869] EXPR 0 \read(*__unbuffered_p2_EAX$read_delayed_var) [L869] EXPR 0 weak$$choice1 ? *__unbuffered_p2_EAX$read_delayed_var : __unbuffered_p2_EAX [L869] EXPR 0 __unbuffered_p2_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p2_EAX$read_delayed_var : __unbuffered_p2_EAX) : __unbuffered_p2_EAX [L869] 0 __unbuffered_p2_EAX = __unbuffered_p2_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p2_EAX$read_delayed_var : __unbuffered_p2_EAX) : __unbuffered_p2_EAX [L870] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 1) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2052={5:0}, t2053={7:0}, t2054={8:0}, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L872] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 853]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 855]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 851]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 160 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 397 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 397 mSDsluCounter, 190 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 148 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 750 IncrementalHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 42 mSDtfsCounter, 750 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=366occurred in iteration=6, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 880 NumberOfCodeBlocks, 880 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 764 ConstructedInterpolants, 0 QuantifiedInterpolants, 2096 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-16 12:43:59,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9191e36-36fe-42a4-afc6-66d14fbf22c2/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE