./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe027_rmo.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro --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 85e3ce8f111292d815206f012225ed7eff4e108dc07a389f6fa2d1590522afb0 --- 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-8393723 [2022-11-18 20:39:03,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:39:03,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:39:04,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:39:04,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:39:04,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:39:04,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:39:04,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:39:04,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:39:04,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:39:04,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:39:04,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:39:04,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:39:04,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:39:04,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:39:04,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:39:04,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:39:04,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:39:04,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:39:04,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:39:04,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:39:04,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:39:04,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:39:04,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:39:04,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:39:04,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:39:04,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:39:04,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:39:04,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:39:04,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:39:04,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:39:04,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:39:04,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:39:04,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:39:04,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:39:04,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:39:04,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:39:04,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:39:04,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:39:04,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:39:04,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:39:04,074 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 20:39:04,105 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:39:04,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:39:04,106 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:39:04,107 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:39:04,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:39:04,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:39:04,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:39:04,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:39:04,109 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:39:04,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:39:04,111 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:39:04,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:39:04,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:39:04,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:39:04,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:39:04,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:39:04,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:39:04,112 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:39:04,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:39:04,113 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:39:04,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:39:04,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:39:04,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:39:04,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:39:04,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:39:04,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:39:04,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:39:04,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:39:04,116 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:39:04,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:39:04,116 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:39:04,116 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:39:04,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:39:04,117 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_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85e3ce8f111292d815206f012225ed7eff4e108dc07a389f6fa2d1590522afb0 [2022-11-18 20:39:04,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:39:04,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:39:04,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:39:04,481 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:39:04,481 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:39:04,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread-wmm/safe027_rmo.i [2022-11-18 20:39:04,562 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/data/26de114ab/989467161a834761a429cfbc63efcaa5/FLAGb9c74a612 [2022-11-18 20:39:05,281 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:39:05,282 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/sv-benchmarks/c/pthread-wmm/safe027_rmo.i [2022-11-18 20:39:05,310 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/data/26de114ab/989467161a834761a429cfbc63efcaa5/FLAGb9c74a612 [2022-11-18 20:39:05,492 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/data/26de114ab/989467161a834761a429cfbc63efcaa5 [2022-11-18 20:39:05,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:39:05,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:39:05,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:39:05,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:39:05,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:39:05,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:39:05" (1/1) ... [2022-11-18 20:39:05,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d97cbe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:05, skipping insertion in model container [2022-11-18 20:39:05,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:39:05" (1/1) ... [2022-11-18 20:39:05,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:39:05,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:39:05,868 WARN L234 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_df2c5b2c-ced8-42ae-857a-4a3740f53841/sv-benchmarks/c/pthread-wmm/safe027_rmo.i[988,1001] [2022-11-18 20:39:06,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:39:06,251 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:39:06,265 WARN L234 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_df2c5b2c-ced8-42ae-857a-4a3740f53841/sv-benchmarks/c/pthread-wmm/safe027_rmo.i[988,1001] [2022-11-18 20:39:06,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:39:06,397 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:39:06,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:06 WrapperNode [2022-11-18 20:39:06,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:39:06,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:39:06,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:39:06,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:39:06,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:06" (1/1) ... [2022-11-18 20:39:06,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:06" (1/1) ... [2022-11-18 20:39:06,490 INFO L138 Inliner]: procedures = 177, calls = 82, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 152 [2022-11-18 20:39:06,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:39:06,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:39:06,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:39:06,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:39:06,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:06" (1/1) ... [2022-11-18 20:39:06,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:06" (1/1) ... [2022-11-18 20:39:06,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:06" (1/1) ... [2022-11-18 20:39:06,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:06" (1/1) ... [2022-11-18 20:39:06,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:06" (1/1) ... [2022-11-18 20:39:06,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:06" (1/1) ... [2022-11-18 20:39:06,549 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:06" (1/1) ... [2022-11-18 20:39:06,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:06" (1/1) ... [2022-11-18 20:39:06,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:39:06,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:39:06,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:39:06,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:39:06,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:06" (1/1) ... [2022-11-18 20:39:06,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:39:06,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:06,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:06,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:39:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:39:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:39:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 20:39:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:39:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:39:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:39:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-18 20:39:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-18 20:39:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-18 20:39:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-18 20:39:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-18 20:39:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-18 20:39:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-18 20:39:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-18 20:39:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:39:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 20:39:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:39:06,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:39:06,675 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:39:06,887 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:39:06,889 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:39:07,379 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:39:07,623 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:39:07,623 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:39:07,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:39:07 BoogieIcfgContainer [2022-11-18 20:39:07,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:39:07,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:39:07,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:39:07,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:39:07,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:39:05" (1/3) ... [2022-11-18 20:39:07,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6f2301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:39:07, skipping insertion in model container [2022-11-18 20:39:07,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:06" (2/3) ... [2022-11-18 20:39:07,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6f2301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:39:07, skipping insertion in model container [2022-11-18 20:39:07,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:39:07" (3/3) ... [2022-11-18 20:39:07,649 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_rmo.i [2022-11-18 20:39:07,666 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:39:07,677 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:39:07,677 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:39:07,677 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:39:07,751 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 20:39:07,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 161 places, 150 transitions, 320 flow [2022-11-18 20:39:07,900 INFO L130 PetriNetUnfolder]: 2/146 cut-off events. [2022-11-18 20:39:07,900 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:39:07,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 146 events. 2/146 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 85. Up to 2 conditions per place. [2022-11-18 20:39:07,906 INFO L82 GeneralOperation]: Start removeDead. Operand has 161 places, 150 transitions, 320 flow [2022-11-18 20:39:07,922 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 130 transitions, 272 flow [2022-11-18 20:39:07,938 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:39:07,945 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;@783beb4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:39:07,946 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-18 20:39:07,980 INFO L130 PetriNetUnfolder]: 1/129 cut-off events. [2022-11-18 20:39:07,981 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:39:07,981 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:39:07,982 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] [2022-11-18 20:39:07,983 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:39:07,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:07,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1102456793, now seen corresponding path program 1 times [2022-11-18 20:39:08,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:08,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831632009] [2022-11-18 20:39:08,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:08,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:09,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:09,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:09,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831632009] [2022-11-18 20:39:09,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831632009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:09,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:09,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:39:09,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513501721] [2022-11-18 20:39:09,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:09,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:39:09,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:09,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:39:09,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:39:09,288 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 150 [2022-11-18 20:39:09,297 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 130 transitions, 272 flow. Second operand has 6 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 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) [2022-11-18 20:39:09,297 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:39:09,297 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 150 [2022-11-18 20:39:09,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:39:09,919 INFO L130 PetriNetUnfolder]: 170/526 cut-off events. [2022-11-18 20:39:09,919 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-18 20:39:09,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 848 conditions, 526 events. 170/526 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2302 event pairs, 60 based on Foata normal form. 15/520 useless extension candidates. Maximal degree in co-relation 770. Up to 151 conditions per place. [2022-11-18 20:39:09,932 INFO L137 encePairwiseOnDemand]: 143/150 looper letters, 18 selfloop transitions, 2 changer transitions 25/158 dead transitions. [2022-11-18 20:39:09,932 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 158 transitions, 421 flow [2022-11-18 20:39:09,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:39:09,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-18 20:39:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1219 transitions. [2022-11-18 20:39:09,960 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.902962962962963 [2022-11-18 20:39:09,961 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1219 transitions. [2022-11-18 20:39:09,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1219 transitions. [2022-11-18 20:39:09,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:39:09,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1219 transitions. [2022-11-18 20:39:09,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 135.44444444444446) internal successors, (1219), 9 states have internal predecessors, (1219), 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) [2022-11-18 20:39:09,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 150.0) internal successors, (1500), 10 states have internal predecessors, (1500), 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) [2022-11-18 20:39:09,992 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 150.0) internal successors, (1500), 10 states have internal predecessors, (1500), 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) [2022-11-18 20:39:09,994 INFO L175 Difference]: Start difference. First operand has 142 places, 130 transitions, 272 flow. Second operand 9 states and 1219 transitions. [2022-11-18 20:39:09,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 158 transitions, 421 flow [2022-11-18 20:39:10,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 158 transitions, 416 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:39:10,008 INFO L231 Difference]: Finished difference. Result has 153 places, 129 transitions, 286 flow [2022-11-18 20:39:10,010 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=286, PETRI_PLACES=153, PETRI_TRANSITIONS=129} [2022-11-18 20:39:10,017 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, 11 predicate places. [2022-11-18 20:39:10,018 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 129 transitions, 286 flow [2022-11-18 20:39:10,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 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) [2022-11-18 20:39:10,019 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:39:10,019 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] [2022-11-18 20:39:10,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:39:10,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:39:10,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:10,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1241743496, now seen corresponding path program 1 times [2022-11-18 20:39:10,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:10,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772695836] [2022-11-18 20:39:10,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:10,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:10,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:10,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772695836] [2022-11-18 20:39:10,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772695836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:10,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:10,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:39:10,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993969975] [2022-11-18 20:39:10,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:10,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:39:10,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:10,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:39:10,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:39:10,676 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 150 [2022-11-18 20:39:10,677 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 129 transitions, 286 flow. Second operand has 7 states, 7 states have (on average 131.85714285714286) internal successors, (923), 7 states have internal predecessors, (923), 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) [2022-11-18 20:39:10,678 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:39:10,678 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 150 [2022-11-18 20:39:10,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:39:11,105 INFO L130 PetriNetUnfolder]: 87/364 cut-off events. [2022-11-18 20:39:11,106 INFO L131 PetriNetUnfolder]: For 68/68 co-relation queries the response was YES. [2022-11-18 20:39:11,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 364 events. 87/364 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1310 event pairs, 6 based on Foata normal form. 8/363 useless extension candidates. Maximal degree in co-relation 587. Up to 70 conditions per place. [2022-11-18 20:39:11,109 INFO L137 encePairwiseOnDemand]: 143/150 looper letters, 19 selfloop transitions, 3 changer transitions 22/157 dead transitions. [2022-11-18 20:39:11,109 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 157 transitions, 454 flow [2022-11-18 20:39:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:39:11,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-18 20:39:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1346 transitions. [2022-11-18 20:39:11,113 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8973333333333333 [2022-11-18 20:39:11,113 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1346 transitions. [2022-11-18 20:39:11,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1346 transitions. [2022-11-18 20:39:11,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:39:11,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1346 transitions. [2022-11-18 20:39:11,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.6) internal successors, (1346), 10 states have internal predecessors, (1346), 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) [2022-11-18 20:39:11,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 150.0) internal successors, (1650), 11 states have internal predecessors, (1650), 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) [2022-11-18 20:39:11,122 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 150.0) internal successors, (1650), 11 states have internal predecessors, (1650), 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) [2022-11-18 20:39:11,122 INFO L175 Difference]: Start difference. First operand has 153 places, 129 transitions, 286 flow. Second operand 10 states and 1346 transitions. [2022-11-18 20:39:11,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 157 transitions, 454 flow [2022-11-18 20:39:11,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 157 transitions, 422 flow, removed 14 selfloop flow, removed 8 redundant places. [2022-11-18 20:39:11,128 INFO L231 Difference]: Finished difference. Result has 155 places, 129 transitions, 292 flow [2022-11-18 20:39:11,128 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=292, PETRI_PLACES=155, PETRI_TRANSITIONS=129} [2022-11-18 20:39:11,129 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, 13 predicate places. [2022-11-18 20:39:11,129 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 129 transitions, 292 flow [2022-11-18 20:39:11,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 131.85714285714286) internal successors, (923), 7 states have internal predecessors, (923), 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) [2022-11-18 20:39:11,130 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:39:11,131 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, 1] [2022-11-18 20:39:11,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:39:11,131 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:39:11,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:11,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1894626147, now seen corresponding path program 1 times [2022-11-18 20:39:11,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:11,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761533447] [2022-11-18 20:39:11,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:11,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:11,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:11,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761533447] [2022-11-18 20:39:11,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761533447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:11,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:11,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:39:11,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287033967] [2022-11-18 20:39:11,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:11,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:39:11,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:11,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:39:11,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:39:11,574 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 150 [2022-11-18 20:39:11,575 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 129 transitions, 292 flow. Second operand has 7 states, 7 states have (on average 129.14285714285714) internal successors, (904), 7 states have internal predecessors, (904), 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) [2022-11-18 20:39:11,576 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:39:11,576 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 150 [2022-11-18 20:39:11,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:39:12,204 INFO L130 PetriNetUnfolder]: 398/1038 cut-off events. [2022-11-18 20:39:12,204 INFO L131 PetriNetUnfolder]: For 225/225 co-relation queries the response was YES. [2022-11-18 20:39:12,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2029 conditions, 1038 events. 398/1038 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 5990 event pairs, 85 based on Foata normal form. 16/991 useless extension candidates. Maximal degree in co-relation 1954. Up to 181 conditions per place. [2022-11-18 20:39:12,213 INFO L137 encePairwiseOnDemand]: 142/150 looper letters, 26 selfloop transitions, 4 changer transitions 32/172 dead transitions. [2022-11-18 20:39:12,214 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 172 transitions, 539 flow [2022-11-18 20:39:12,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:39:12,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-18 20:39:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1334 transitions. [2022-11-18 20:39:12,217 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8893333333333333 [2022-11-18 20:39:12,218 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1334 transitions. [2022-11-18 20:39:12,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1334 transitions. [2022-11-18 20:39:12,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:39:12,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1334 transitions. [2022-11-18 20:39:12,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.4) internal successors, (1334), 10 states have internal predecessors, (1334), 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) [2022-11-18 20:39:12,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 150.0) internal successors, (1650), 11 states have internal predecessors, (1650), 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) [2022-11-18 20:39:12,230 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 150.0) internal successors, (1650), 11 states have internal predecessors, (1650), 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) [2022-11-18 20:39:12,230 INFO L175 Difference]: Start difference. First operand has 155 places, 129 transitions, 292 flow. Second operand 10 states and 1334 transitions. [2022-11-18 20:39:12,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 172 transitions, 539 flow [2022-11-18 20:39:12,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 172 transitions, 501 flow, removed 14 selfloop flow, removed 9 redundant places. [2022-11-18 20:39:12,240 INFO L231 Difference]: Finished difference. Result has 157 places, 129 transitions, 304 flow [2022-11-18 20:39:12,241 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=304, PETRI_PLACES=157, PETRI_TRANSITIONS=129} [2022-11-18 20:39:12,243 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, 15 predicate places. [2022-11-18 20:39:12,243 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 129 transitions, 304 flow [2022-11-18 20:39:12,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 129.14285714285714) internal successors, (904), 7 states have internal predecessors, (904), 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) [2022-11-18 20:39:12,244 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:39:12,244 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, 1, 1, 1] [2022-11-18 20:39:12,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:39:12,245 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:39:12,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:12,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1300737934, now seen corresponding path program 1 times [2022-11-18 20:39:12,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:12,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103000159] [2022-11-18 20:39:12,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:12,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:12,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:12,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:12,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103000159] [2022-11-18 20:39:12,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103000159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:12,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:12,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:39:12,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722569989] [2022-11-18 20:39:12,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:12,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:39:12,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:12,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:39:12,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:39:12,672 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 150 [2022-11-18 20:39:12,673 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 129 transitions, 304 flow. Second operand has 6 states, 6 states have (on average 128.33333333333334) internal successors, (770), 6 states have internal predecessors, (770), 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) [2022-11-18 20:39:12,673 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:39:12,673 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 150 [2022-11-18 20:39:12,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:39:13,696 INFO L130 PetriNetUnfolder]: 1542/2858 cut-off events. [2022-11-18 20:39:13,696 INFO L131 PetriNetUnfolder]: For 293/297 co-relation queries the response was YES. [2022-11-18 20:39:13,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5719 conditions, 2858 events. 1542/2858 cut-off events. For 293/297 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 18021 event pairs, 42 based on Foata normal form. 0/2793 useless extension candidates. Maximal degree in co-relation 5631. Up to 995 conditions per place. [2022-11-18 20:39:13,720 INFO L137 encePairwiseOnDemand]: 139/150 looper letters, 30 selfloop transitions, 7 changer transitions 45/190 dead transitions. [2022-11-18 20:39:13,721 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 190 transitions, 603 flow [2022-11-18 20:39:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:39:13,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-18 20:39:13,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1344 transitions. [2022-11-18 20:39:13,725 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.896 [2022-11-18 20:39:13,725 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1344 transitions. [2022-11-18 20:39:13,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1344 transitions. [2022-11-18 20:39:13,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:39:13,727 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1344 transitions. [2022-11-18 20:39:13,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.4) internal successors, (1344), 10 states have internal predecessors, (1344), 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) [2022-11-18 20:39:13,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 150.0) internal successors, (1650), 11 states have internal predecessors, (1650), 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) [2022-11-18 20:39:13,734 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 150.0) internal successors, (1650), 11 states have internal predecessors, (1650), 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) [2022-11-18 20:39:13,734 INFO L175 Difference]: Start difference. First operand has 157 places, 129 transitions, 304 flow. Second operand 10 states and 1344 transitions. [2022-11-18 20:39:13,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 190 transitions, 603 flow [2022-11-18 20:39:13,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 190 transitions, 577 flow, removed 8 selfloop flow, removed 10 redundant places. [2022-11-18 20:39:13,744 INFO L231 Difference]: Finished difference. Result has 156 places, 132 transitions, 344 flow [2022-11-18 20:39:13,744 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=344, PETRI_PLACES=156, PETRI_TRANSITIONS=132} [2022-11-18 20:39:13,745 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, 14 predicate places. [2022-11-18 20:39:13,745 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 132 transitions, 344 flow [2022-11-18 20:39:13,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 128.33333333333334) internal successors, (770), 6 states have internal predecessors, (770), 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) [2022-11-18 20:39:13,746 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:39:13,746 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, 1, 1, 1, 1] [2022-11-18 20:39:13,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:39:13,747 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:39:13,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:13,748 INFO L85 PathProgramCache]: Analyzing trace with hash 925570176, now seen corresponding path program 1 times [2022-11-18 20:39:13,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:13,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860517575] [2022-11-18 20:39:13,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:13,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:14,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:14,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860517575] [2022-11-18 20:39:14,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860517575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:14,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:14,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:39:14,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88483312] [2022-11-18 20:39:14,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:14,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:39:14,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:14,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:39:14,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:39:14,165 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 150 [2022-11-18 20:39:14,166 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 132 transitions, 344 flow. Second operand has 7 states, 7 states have (on average 128.14285714285714) internal successors, (897), 7 states have internal predecessors, (897), 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) [2022-11-18 20:39:14,166 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:39:14,166 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 150 [2022-11-18 20:39:14,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:39:14,908 INFO L130 PetriNetUnfolder]: 800/1709 cut-off events. [2022-11-18 20:39:14,908 INFO L131 PetriNetUnfolder]: For 2390/2390 co-relation queries the response was YES. [2022-11-18 20:39:14,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5159 conditions, 1709 events. 800/1709 cut-off events. For 2390/2390 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 10125 event pairs, 33 based on Foata normal form. 46/1742 useless extension candidates. Maximal degree in co-relation 5073. Up to 597 conditions per place. [2022-11-18 20:39:14,923 INFO L137 encePairwiseOnDemand]: 140/150 looper letters, 35 selfloop transitions, 11 changer transitions 35/189 dead transitions. [2022-11-18 20:39:14,923 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 189 transitions, 800 flow [2022-11-18 20:39:14,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:39:14,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-18 20:39:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1343 transitions. [2022-11-18 20:39:14,927 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8953333333333333 [2022-11-18 20:39:14,927 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1343 transitions. [2022-11-18 20:39:14,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1343 transitions. [2022-11-18 20:39:14,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:39:14,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1343 transitions. [2022-11-18 20:39:14,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.3) internal successors, (1343), 10 states have internal predecessors, (1343), 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) [2022-11-18 20:39:14,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 150.0) internal successors, (1650), 11 states have internal predecessors, (1650), 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) [2022-11-18 20:39:14,936 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 150.0) internal successors, (1650), 11 states have internal predecessors, (1650), 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) [2022-11-18 20:39:14,936 INFO L175 Difference]: Start difference. First operand has 156 places, 132 transitions, 344 flow. Second operand 10 states and 1343 transitions. [2022-11-18 20:39:14,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 189 transitions, 800 flow [2022-11-18 20:39:14,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 189 transitions, 775 flow, removed 7 selfloop flow, removed 5 redundant places. [2022-11-18 20:39:14,947 INFO L231 Difference]: Finished difference. Result has 160 places, 136 transitions, 432 flow [2022-11-18 20:39:14,947 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=432, PETRI_PLACES=160, PETRI_TRANSITIONS=136} [2022-11-18 20:39:14,950 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, 18 predicate places. [2022-11-18 20:39:14,950 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 136 transitions, 432 flow [2022-11-18 20:39:14,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 128.14285714285714) internal successors, (897), 7 states have internal predecessors, (897), 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) [2022-11-18 20:39:14,951 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:39:14,951 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, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:14,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:39:14,952 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:39:14,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:14,953 INFO L85 PathProgramCache]: Analyzing trace with hash 143552579, now seen corresponding path program 1 times [2022-11-18 20:39:14,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:14,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599029227] [2022-11-18 20:39:14,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:14,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:15,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:15,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599029227] [2022-11-18 20:39:15,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599029227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:15,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:15,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:39:15,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262766600] [2022-11-18 20:39:15,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:15,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:39:15,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:15,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:39:15,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:39:15,370 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 150 [2022-11-18 20:39:15,371 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 136 transitions, 432 flow. Second operand has 8 states, 8 states have (on average 128.0) internal successors, (1024), 8 states have internal predecessors, (1024), 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) [2022-11-18 20:39:15,372 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:39:15,372 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 150 [2022-11-18 20:39:15,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:39:15,897 INFO L130 PetriNetUnfolder]: 336/903 cut-off events. [2022-11-18 20:39:15,897 INFO L131 PetriNetUnfolder]: For 3166/3198 co-relation queries the response was YES. [2022-11-18 20:39:15,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3184 conditions, 903 events. 336/903 cut-off events. For 3166/3198 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4607 event pairs, 17 based on Foata normal form. 26/915 useless extension candidates. Maximal degree in co-relation 3094. Up to 271 conditions per place. [2022-11-18 20:39:15,906 INFO L137 encePairwiseOnDemand]: 140/150 looper letters, 39 selfloop transitions, 15 changer transitions 35/197 dead transitions. [2022-11-18 20:39:15,906 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 197 transitions, 1068 flow [2022-11-18 20:39:15,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:39:15,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-18 20:39:15,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1477 transitions. [2022-11-18 20:39:15,910 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8951515151515151 [2022-11-18 20:39:15,910 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1477 transitions. [2022-11-18 20:39:15,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1477 transitions. [2022-11-18 20:39:15,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:39:15,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1477 transitions. [2022-11-18 20:39:15,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 134.27272727272728) internal successors, (1477), 11 states have internal predecessors, (1477), 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) [2022-11-18 20:39:15,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 150.0) internal successors, (1800), 12 states have internal predecessors, (1800), 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) [2022-11-18 20:39:15,919 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 150.0) internal successors, (1800), 12 states have internal predecessors, (1800), 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) [2022-11-18 20:39:15,919 INFO L175 Difference]: Start difference. First operand has 160 places, 136 transitions, 432 flow. Second operand 11 states and 1477 transitions. [2022-11-18 20:39:15,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 197 transitions, 1068 flow [2022-11-18 20:39:15,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 197 transitions, 888 flow, removed 79 selfloop flow, removed 9 redundant places. [2022-11-18 20:39:15,933 INFO L231 Difference]: Finished difference. Result has 163 places, 140 transitions, 482 flow [2022-11-18 20:39:15,933 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=482, PETRI_PLACES=163, PETRI_TRANSITIONS=140} [2022-11-18 20:39:15,934 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, 21 predicate places. [2022-11-18 20:39:15,934 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 140 transitions, 482 flow [2022-11-18 20:39:15,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 128.0) internal successors, (1024), 8 states have internal predecessors, (1024), 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) [2022-11-18 20:39:15,935 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:39:15,935 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:15,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:39:15,936 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:39:15,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:15,936 INFO L85 PathProgramCache]: Analyzing trace with hash 978731992, now seen corresponding path program 1 times [2022-11-18 20:39:15,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:15,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181713270] [2022-11-18 20:39:15,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:15,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:19,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:19,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:19,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181713270] [2022-11-18 20:39:19,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181713270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:19,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:19,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-11-18 20:39:19,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036875820] [2022-11-18 20:39:19,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:19,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-18 20:39:19,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:19,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-18 20:39:19,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2022-11-18 20:39:19,944 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 150 [2022-11-18 20:39:19,946 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 140 transitions, 482 flow. Second operand has 22 states, 22 states have (on average 90.18181818181819) internal successors, (1984), 22 states have internal predecessors, (1984), 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) [2022-11-18 20:39:19,947 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:39:19,947 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 150 [2022-11-18 20:39:19,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:39:21,953 INFO L130 PetriNetUnfolder]: 158/727 cut-off events. [2022-11-18 20:39:21,953 INFO L131 PetriNetUnfolder]: For 1706/1895 co-relation queries the response was YES. [2022-11-18 20:39:21,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1859 conditions, 727 events. 158/727 cut-off events. For 1706/1895 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3830 event pairs, 37 based on Foata normal form. 21/726 useless extension candidates. Maximal degree in co-relation 1747. Up to 152 conditions per place. [2022-11-18 20:39:21,962 INFO L137 encePairwiseOnDemand]: 126/150 looper letters, 57 selfloop transitions, 28 changer transitions 10/185 dead transitions. [2022-11-18 20:39:21,962 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 185 transitions, 779 flow [2022-11-18 20:39:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:39:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2022-11-18 20:39:21,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2208 transitions. [2022-11-18 20:39:21,968 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6133333333333333 [2022-11-18 20:39:21,969 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2208 transitions. [2022-11-18 20:39:21,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2208 transitions. [2022-11-18 20:39:21,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:39:21,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2208 transitions. [2022-11-18 20:39:21,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 92.0) internal successors, (2208), 24 states have internal predecessors, (2208), 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) [2022-11-18 20:39:21,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 150.0) internal successors, (3750), 25 states have internal predecessors, (3750), 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) [2022-11-18 20:39:21,984 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 150.0) internal successors, (3750), 25 states have internal predecessors, (3750), 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) [2022-11-18 20:39:21,984 INFO L175 Difference]: Start difference. First operand has 163 places, 140 transitions, 482 flow. Second operand 24 states and 2208 transitions. [2022-11-18 20:39:21,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 185 transitions, 779 flow [2022-11-18 20:39:21,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 185 transitions, 694 flow, removed 29 selfloop flow, removed 10 redundant places. [2022-11-18 20:39:21,997 INFO L231 Difference]: Finished difference. Result has 180 places, 156 transitions, 533 flow [2022-11-18 20:39:21,998 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=533, PETRI_PLACES=180, PETRI_TRANSITIONS=156} [2022-11-18 20:39:21,999 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, 38 predicate places. [2022-11-18 20:39:21,999 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 156 transitions, 533 flow [2022-11-18 20:39:22,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 90.18181818181819) internal successors, (1984), 22 states have internal predecessors, (1984), 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) [2022-11-18 20:39:22,000 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:39:22,000 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:22,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:39:22,001 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:39:22,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:22,001 INFO L85 PathProgramCache]: Analyzing trace with hash -2070474492, now seen corresponding path program 2 times [2022-11-18 20:39:22,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:22,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005424687] [2022-11-18 20:39:22,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:22,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:22,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:22,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005424687] [2022-11-18 20:39:22,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005424687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:22,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:22,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:39:22,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550761675] [2022-11-18 20:39:22,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:22,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:39:22,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:22,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:39:22,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:39:22,346 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 150 [2022-11-18 20:39:22,348 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 156 transitions, 533 flow. Second operand has 7 states, 7 states have (on average 129.57142857142858) internal successors, (907), 7 states have internal predecessors, (907), 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) [2022-11-18 20:39:22,348 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:39:22,348 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 150 [2022-11-18 20:39:22,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:39:22,952 INFO L130 PetriNetUnfolder]: 315/1411 cut-off events. [2022-11-18 20:39:22,952 INFO L131 PetriNetUnfolder]: For 1495/1672 co-relation queries the response was YES. [2022-11-18 20:39:22,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3184 conditions, 1411 events. 315/1411 cut-off events. For 1495/1672 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 10218 event pairs, 28 based on Foata normal form. 66/1418 useless extension candidates. Maximal degree in co-relation 3115. Up to 225 conditions per place. [2022-11-18 20:39:22,971 INFO L137 encePairwiseOnDemand]: 144/150 looper letters, 44 selfloop transitions, 2 changer transitions 12/188 dead transitions. [2022-11-18 20:39:22,971 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 188 transitions, 786 flow [2022-11-18 20:39:22,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:39:22,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-18 20:39:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 934 transitions. [2022-11-18 20:39:22,974 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8895238095238095 [2022-11-18 20:39:22,974 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 934 transitions. [2022-11-18 20:39:22,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 934 transitions. [2022-11-18 20:39:22,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:39:22,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 934 transitions. [2022-11-18 20:39:22,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 133.42857142857142) internal successors, (934), 7 states have internal predecessors, (934), 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) [2022-11-18 20:39:22,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 150.0) internal successors, (1200), 8 states have internal predecessors, (1200), 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) [2022-11-18 20:39:22,980 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 150.0) internal successors, (1200), 8 states have internal predecessors, (1200), 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) [2022-11-18 20:39:22,981 INFO L175 Difference]: Start difference. First operand has 180 places, 156 transitions, 533 flow. Second operand 7 states and 934 transitions. [2022-11-18 20:39:22,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 188 transitions, 786 flow [2022-11-18 20:39:22,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 188 transitions, 747 flow, removed 10 selfloop flow, removed 12 redundant places. [2022-11-18 20:39:22,998 INFO L231 Difference]: Finished difference. Result has 176 places, 157 transitions, 527 flow [2022-11-18 20:39:22,998 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=527, PETRI_PLACES=176, PETRI_TRANSITIONS=157} [2022-11-18 20:39:22,999 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, 34 predicate places. [2022-11-18 20:39:22,999 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 157 transitions, 527 flow [2022-11-18 20:39:23,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 129.57142857142858) internal successors, (907), 7 states have internal predecessors, (907), 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) [2022-11-18 20:39:23,000 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:39:23,000 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:23,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:39:23,000 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:39:23,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:23,001 INFO L85 PathProgramCache]: Analyzing trace with hash 946521840, now seen corresponding path program 3 times [2022-11-18 20:39:23,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:23,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642634256] [2022-11-18 20:39:23,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:23,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:27,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:27,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:27,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642634256] [2022-11-18 20:39:27,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642634256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:27,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:27,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-11-18 20:39:27,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627472515] [2022-11-18 20:39:27,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:27,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-18 20:39:27,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:27,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-18 20:39:27,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2022-11-18 20:39:27,617 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 150 [2022-11-18 20:39:27,621 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 157 transitions, 527 flow. Second operand has 27 states, 27 states have (on average 89.77777777777777) internal successors, (2424), 27 states have internal predecessors, (2424), 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) [2022-11-18 20:39:27,621 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:39:27,621 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 150 [2022-11-18 20:39:27,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:39:34,690 INFO L130 PetriNetUnfolder]: 731/3022 cut-off events. [2022-11-18 20:39:34,690 INFO L131 PetriNetUnfolder]: For 3813/4431 co-relation queries the response was YES. [2022-11-18 20:39:34,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6910 conditions, 3022 events. 731/3022 cut-off events. For 3813/4431 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 28334 event pairs, 80 based on Foata normal form. 113/2969 useless extension candidates. Maximal degree in co-relation 6809. Up to 568 conditions per place. [2022-11-18 20:39:34,725 INFO L137 encePairwiseOnDemand]: 121/150 looper letters, 87 selfloop transitions, 61 changer transitions 21/260 dead transitions. [2022-11-18 20:39:34,726 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 260 transitions, 1267 flow [2022-11-18 20:39:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-18 20:39:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2022-11-18 20:39:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 4295 transitions. [2022-11-18 20:39:34,739 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6092198581560284 [2022-11-18 20:39:34,739 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 4295 transitions. [2022-11-18 20:39:34,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 4295 transitions. [2022-11-18 20:39:34,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:39:34,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 4295 transitions. [2022-11-18 20:39:34,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 91.38297872340425) internal successors, (4295), 47 states have internal predecessors, (4295), 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) [2022-11-18 20:39:34,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 150.0) internal successors, (7200), 48 states have internal predecessors, (7200), 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) [2022-11-18 20:39:34,785 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 150.0) internal successors, (7200), 48 states have internal predecessors, (7200), 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) [2022-11-18 20:39:34,786 INFO L175 Difference]: Start difference. First operand has 176 places, 157 transitions, 527 flow. Second operand 47 states and 4295 transitions. [2022-11-18 20:39:34,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 260 transitions, 1267 flow [2022-11-18 20:39:34,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 260 transitions, 1236 flow, removed 15 selfloop flow, removed 4 redundant places. [2022-11-18 20:39:34,835 INFO L231 Difference]: Finished difference. Result has 236 places, 202 transitions, 927 flow [2022-11-18 20:39:34,836 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=927, PETRI_PLACES=236, PETRI_TRANSITIONS=202} [2022-11-18 20:39:34,837 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, 94 predicate places. [2022-11-18 20:39:34,837 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 202 transitions, 927 flow [2022-11-18 20:39:34,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 89.77777777777777) internal successors, (2424), 27 states have internal predecessors, (2424), 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) [2022-11-18 20:39:34,839 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:39:34,839 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:34,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:39:34,839 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:39:34,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:34,840 INFO L85 PathProgramCache]: Analyzing trace with hash -806105642, now seen corresponding path program 4 times [2022-11-18 20:39:34,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:34,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166809000] [2022-11-18 20:39:34,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:34,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:35,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:35,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:35,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166809000] [2022-11-18 20:39:35,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166809000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:35,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:35,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:39:35,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920942973] [2022-11-18 20:39:35,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:35,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:39:35,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:35,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:39:35,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:39:35,193 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 150 [2022-11-18 20:39:35,194 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 202 transitions, 927 flow. Second operand has 9 states, 9 states have (on average 128.0) internal successors, (1152), 9 states have internal predecessors, (1152), 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) [2022-11-18 20:39:35,194 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:39:35,195 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 150 [2022-11-18 20:39:35,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:39:36,568 INFO L130 PetriNetUnfolder]: 1541/4551 cut-off events. [2022-11-18 20:39:36,569 INFO L131 PetriNetUnfolder]: For 6575/6913 co-relation queries the response was YES. [2022-11-18 20:39:36,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13239 conditions, 4551 events. 1541/4551 cut-off events. For 6575/6913 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 44567 event pairs, 53 based on Foata normal form. 198/4496 useless extension candidates. Maximal degree in co-relation 13196. Up to 894 conditions per place. [2022-11-18 20:39:36,623 INFO L137 encePairwiseOnDemand]: 140/150 looper letters, 97 selfloop transitions, 21 changer transitions 34/296 dead transitions. [2022-11-18 20:39:36,624 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 296 transitions, 1835 flow [2022-11-18 20:39:36,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:39:36,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-18 20:39:36,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1582 transitions. [2022-11-18 20:39:36,627 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8788888888888889 [2022-11-18 20:39:36,627 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1582 transitions. [2022-11-18 20:39:36,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1582 transitions. [2022-11-18 20:39:36,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:39:36,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1582 transitions. [2022-11-18 20:39:36,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 131.83333333333334) internal successors, (1582), 12 states have internal predecessors, (1582), 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) [2022-11-18 20:39:36,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 150.0) internal successors, (1950), 13 states have internal predecessors, (1950), 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) [2022-11-18 20:39:36,634 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 150.0) internal successors, (1950), 13 states have internal predecessors, (1950), 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) [2022-11-18 20:39:36,634 INFO L175 Difference]: Start difference. First operand has 236 places, 202 transitions, 927 flow. Second operand 12 states and 1582 transitions. [2022-11-18 20:39:36,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 296 transitions, 1835 flow [2022-11-18 20:39:36,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 296 transitions, 1560 flow, removed 88 selfloop flow, removed 29 redundant places. [2022-11-18 20:39:36,718 INFO L231 Difference]: Finished difference. Result has 215 places, 202 transitions, 815 flow [2022-11-18 20:39:36,719 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=815, PETRI_PLACES=215, PETRI_TRANSITIONS=202} [2022-11-18 20:39:36,719 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, 73 predicate places. [2022-11-18 20:39:36,719 INFO L495 AbstractCegarLoop]: Abstraction has has 215 places, 202 transitions, 815 flow [2022-11-18 20:39:36,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 128.0) internal successors, (1152), 9 states have internal predecessors, (1152), 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) [2022-11-18 20:39:36,720 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:39:36,720 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:36,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:39:36,721 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:39:36,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:36,722 INFO L85 PathProgramCache]: Analyzing trace with hash -892128428, now seen corresponding path program 1 times [2022-11-18 20:39:36,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:36,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067805013] [2022-11-18 20:39:36,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:36,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:37,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:37,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067805013] [2022-11-18 20:39:37,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067805013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:37,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:37,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:39:37,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154235065] [2022-11-18 20:39:37,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:37,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:39:37,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:37,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:39:37,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:39:37,740 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 150 [2022-11-18 20:39:37,741 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 202 transitions, 815 flow. Second operand has 12 states, 12 states have (on average 120.33333333333333) internal successors, (1444), 12 states have internal predecessors, (1444), 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) [2022-11-18 20:39:37,742 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:39:37,742 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 150 [2022-11-18 20:39:37,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:39:38,599 INFO L130 PetriNetUnfolder]: 738/3191 cut-off events. [2022-11-18 20:39:38,599 INFO L131 PetriNetUnfolder]: For 5394/6017 co-relation queries the response was YES. [2022-11-18 20:39:38,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8720 conditions, 3191 events. 738/3191 cut-off events. For 5394/6017 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 32389 event pairs, 45 based on Foata normal form. 8/3020 useless extension candidates. Maximal degree in co-relation 8606. Up to 676 conditions per place. [2022-11-18 20:39:38,660 INFO L137 encePairwiseOnDemand]: 138/150 looper letters, 57 selfloop transitions, 19 changer transitions 8/218 dead transitions. [2022-11-18 20:39:38,661 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 218 transitions, 1057 flow [2022-11-18 20:39:38,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:39:38,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-18 20:39:38,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1458 transitions. [2022-11-18 20:39:38,664 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.81 [2022-11-18 20:39:38,664 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1458 transitions. [2022-11-18 20:39:38,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1458 transitions. [2022-11-18 20:39:38,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:39:38,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1458 transitions. [2022-11-18 20:39:38,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 121.5) internal successors, (1458), 12 states have internal predecessors, (1458), 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) [2022-11-18 20:39:38,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 150.0) internal successors, (1950), 13 states have internal predecessors, (1950), 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) [2022-11-18 20:39:38,673 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 150.0) internal successors, (1950), 13 states have internal predecessors, (1950), 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) [2022-11-18 20:39:38,673 INFO L175 Difference]: Start difference. First operand has 215 places, 202 transitions, 815 flow. Second operand 12 states and 1458 transitions. [2022-11-18 20:39:38,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 218 transitions, 1057 flow [2022-11-18 20:39:38,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 218 transitions, 984 flow, removed 24 selfloop flow, removed 9 redundant places. [2022-11-18 20:39:38,768 INFO L231 Difference]: Finished difference. Result has 221 places, 207 transitions, 848 flow [2022-11-18 20:39:38,768 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=848, PETRI_PLACES=221, PETRI_TRANSITIONS=207} [2022-11-18 20:39:38,769 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, 79 predicate places. [2022-11-18 20:39:38,769 INFO L495 AbstractCegarLoop]: Abstraction has has 221 places, 207 transitions, 848 flow [2022-11-18 20:39:38,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 120.33333333333333) internal successors, (1444), 12 states have internal predecessors, (1444), 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) [2022-11-18 20:39:38,770 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:39:38,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:38,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:39:38,771 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:39:38,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:38,771 INFO L85 PathProgramCache]: Analyzing trace with hash -102991862, now seen corresponding path program 2 times [2022-11-18 20:39:38,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:38,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84849667] [2022-11-18 20:39:38,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:38,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:39:38,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:39:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:39:39,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:39:39,064 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:39:39,065 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-11-18 20:39:39,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2022-11-18 20:39:39,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-11-18 20:39:39,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-11-18 20:39:39,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-11-18 20:39:39,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:39:39,068 INFO L444 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:39,075 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:39:39,075 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:39:39,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:39:39 BasicIcfg [2022-11-18 20:39:39,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:39:39,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:39:39,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:39:39,355 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:39:39,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:39:07" (3/4) ... [2022-11-18 20:39:39,357 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-18 20:39:39,590 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:39:39,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:39:39,591 INFO L158 Benchmark]: Toolchain (without parser) took 34092.81ms. Allocated memory was 134.2MB in the beginning and 499.1MB in the end (delta: 364.9MB). Free memory was 104.5MB in the beginning and 355.9MB in the end (delta: -251.4MB). Peak memory consumption was 112.1MB. Max. memory is 16.1GB. [2022-11-18 20:39:39,591 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:39:39,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 891.40ms. Allocated memory is still 134.2MB. Free memory was 104.2MB in the beginning and 96.5MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:39:39,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.94ms. Allocated memory is still 134.2MB. Free memory was 96.5MB in the beginning and 94.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:39:39,592 INFO L158 Benchmark]: Boogie Preprocessor took 63.37ms. Allocated memory is still 134.2MB. Free memory was 94.2MB in the beginning and 91.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:39:39,593 INFO L158 Benchmark]: RCFGBuilder took 1061.24ms. Allocated memory is still 134.2MB. Free memory was 91.7MB in the beginning and 77.6MB in the end (delta: 14.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2022-11-18 20:39:39,593 INFO L158 Benchmark]: TraceAbstraction took 31725.39ms. Allocated memory was 134.2MB in the beginning and 499.1MB in the end (delta: 364.9MB). Free memory was 77.0MB in the beginning and 413.6MB in the end (delta: -336.6MB). Peak memory consumption was 272.5MB. Max. memory is 16.1GB. [2022-11-18 20:39:39,594 INFO L158 Benchmark]: Witness Printer took 235.88ms. Allocated memory is still 499.1MB. Free memory was 413.6MB in the beginning and 355.9MB in the end (delta: 57.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-18 20:39:39,599 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 891.40ms. Allocated memory is still 134.2MB. Free memory was 104.2MB in the beginning and 96.5MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.94ms. Allocated memory is still 134.2MB. Free memory was 96.5MB in the beginning and 94.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.37ms. Allocated memory is still 134.2MB. Free memory was 94.2MB in the beginning and 91.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1061.24ms. Allocated memory is still 134.2MB. Free memory was 91.7MB in the beginning and 77.6MB in the end (delta: 14.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * TraceAbstraction took 31725.39ms. Allocated memory was 134.2MB in the beginning and 499.1MB in the end (delta: 364.9MB). Free memory was 77.0MB in the beginning and 413.6MB in the end (delta: -336.6MB). Peak memory consumption was 272.5MB. Max. memory is 16.1GB. * Witness Printer took 235.88ms. Allocated memory is still 499.1MB. Free memory was 413.6MB in the beginning and 355.9MB in the end (delta: 57.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L723] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; VAL [__unbuffered_p0_EAX$r_buff1_thd2=0] [L724] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; VAL [__unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0] [L725] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd4; VAL [__unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0] [L758] 0 int y$w_buff0; VAL [__unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, y$w_buff0=0] [L760] 0 int y$w_buff1; VAL [__unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, y$w_buff0=0, y$w_buff1=0] [L730] 0 int __unbuffered_p0_EAX$w_buff1; VAL [__unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$w_buff1=0, y$w_buff0=0, y$w_buff1=0] [L728] 0 int __unbuffered_p0_EAX$w_buff0; VAL [__unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff1=0, y$w_buff0=0, y$w_buff1=0] [L745] 0 int y$mem_tmp; VAL [__unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff1=0, y$mem_tmp=0, y$w_buff0=0, y$w_buff1=0] [L727] 0 int *__unbuffered_p0_EAX$read_delayed_var; VAL [__unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff1=0, y$mem_tmp=0, y$w_buff0=0, y$w_buff1=0] [L714] 0 _Bool __unbuffered_p0_EAX$flush_delayed; VAL [__unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff1=0, y$mem_tmp=0, y$w_buff0=0, y$w_buff1=0] [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; VAL [__unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff1=0, y$mem_tmp=0, y$w_buff0=0, y$w_buff1=0] [L756] 0 _Bool y$read_delayed; VAL [__unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff1=0, y$mem_tmp=0, y$read_delayed=0, y$w_buff0=0, y$w_buff1=0] [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; VAL [__unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff1=0, y$mem_tmp=0, y$read_delayed=0, y$w_buff0=0, y$w_buff1=0] [L729] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; VAL [__unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, y$mem_tmp=0, y$read_delayed=0, y$w_buff0=0, y$w_buff1=0] [L715] 0 int __unbuffered_p0_EAX$mem_tmp; VAL [__unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, y$mem_tmp=0, y$read_delayed=0, y$w_buff0=0, y$w_buff1=0] [L711] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, y$mem_tmp=0, y$read_delayed=0, y$w_buff0=0, y$w_buff1=0] [L731] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$w_buff0=0, y$w_buff1=0] [L761] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, y$mem_tmp=0, y$read_delayed=0, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L757] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$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] [L737] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EBX=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] [L762] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, weak$$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] [L763] 0 _Bool weak$$choice1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice1=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L764] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$mem_tmp=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L713] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, weak$$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] [L748] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$mem_tmp=0, y$r_buff0_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L749] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, weak$$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] [L750] 0 _Bool y$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$mem_tmp=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L746] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, weak$$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$r_buff0_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L747] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L735] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, weak$$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$r_buff0_thd3=0, y$r_buff0_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L726] 0 _Bool __unbuffered_p0_EAX$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L744] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, weak$$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$r_buff0_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L733] 0 int __unbuffered_p0_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L720] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, weak$$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$r_buff0_thd4=0, y$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_p0_EAX$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, weak$$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$r_buff0_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L739] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard1=0, weak$$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$r_buff0_thd4=0, y$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 main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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$r_buff0_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff1=0, y$w_buff1_used=0] [L759] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L741] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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$r_buff0_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L751] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L743] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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$r_buff0_thd4=0, y$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] [L753] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L752] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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$r_buff0_thd4=0, y$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] [L755] 0 _Bool y$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L754] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L863] 0 pthread_t t2433; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2433={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L864] FCALL, FORK 0 pthread_create(&t2433, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2433, ((void *)0), P0, ((void *)0))=-1, t2433={7:0}, weak$$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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L768] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L769] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L770] 1 y$flush_delayed = weak$$choice2 [L771] EXPR 1 \read(y) [L771] 1 y$mem_tmp = y [L772] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L772] EXPR 1 \read(y) [L772] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L772] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L773] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L774] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L775] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L776] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L777] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L778] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L779] 1 __unbuffered_p0_EAX$read_delayed = (_Bool)1 [L780] 1 __unbuffered_p0_EAX$read_delayed_var = &y [L781] EXPR 1 \read(y) [L781] 1 __unbuffered_p0_EAX = y [L782] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L782] 1 y = y$flush_delayed ? y$mem_tmp : y [L783] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=255, 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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L865] 0 pthread_t t2434; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2433={7:0}, t2434={5:0}, weak$$choice0=1, weak$$choice1=0, weak$$choice2=255, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L866] FCALL, FORK 0 pthread_create(&t2434, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2434, ((void *)0), P1, ((void *)0))=0, t2433={7:0}, t2434={5:0}, weak$$choice0=1, weak$$choice1=0, weak$$choice2=255, 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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L867] 0 pthread_t t2435; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2433={7:0}, t2434={5:0}, t2435={8:0}, weak$$choice0=1, weak$$choice1=0, weak$$choice2=255, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L868] FCALL, FORK 0 pthread_create(&t2435, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2435, ((void *)0), P2, ((void *)0))=1, t2433={7:0}, t2434={5:0}, t2435={8:0}, weak$$choice0=1, weak$$choice1=0, weak$$choice2=255, 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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L869] 0 pthread_t t2436; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2433={7:0}, t2434={5:0}, t2435={8:0}, t2436={9:0}, weak$$choice0=1, weak$$choice1=0, weak$$choice2=255, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L786] 1 __unbuffered_p0_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=255, 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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L798] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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$$choice0=1, weak$$choice1=0, weak$$choice2=255, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L810] 3 __unbuffered_p2_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=255, 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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L813] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L814] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L815] 3 y$flush_delayed = weak$$choice2 [L816] EXPR 3 \read(y) [L816] 3 y$mem_tmp = y [L817] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L817] EXPR 3 \read(y) [L817] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L817] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L818] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L819] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L820] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L821] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L822] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L823] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L824] EXPR 3 \read(y) [L824] 3 __unbuffered_p2_EBX = y [L825] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L825] EXPR 3 \read(y) [L825] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L825] 3 y = y$flush_delayed ? y$mem_tmp : y [L826] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, 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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L791] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L803] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, 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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L831] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L870] FCALL, FORK 0 pthread_create(&t2436, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2436, ((void *)0), P3, ((void *)0))=2, t2433={7:0}, t2434={5:0}, t2435={8:0}, t2436={9:0}, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, 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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L838] 4 y = 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, 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$$choice0=2, weak$$choice1=0, weak$$choice2=0, 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_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L841] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L841] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L841] EXPR 4 \read(y) [L841] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L841] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L841] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L842] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L843] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L844] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L845] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, 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=2, weak$$choice1=0, weak$$choice2=0, 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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L848] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, 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$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L872] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2433={7:0}, t2434={5:0}, t2435={8:0}, t2436={9:0}, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, 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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L874] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, 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_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L874] RET 0 assume_abort_if_not(main$tmp_guard0) [L876] 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) [L876] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L876] EXPR 0 \read(y) [L876] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L876] 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) [L876] 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) [L877] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L878] 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 [L879] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L880] 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=4, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2433={7:0}, t2434={5:0}, t2435={8:0}, t2436={9:0}, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, 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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L883] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L884] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L884] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L884] EXPR 0 \read(*__unbuffered_p0_EAX$read_delayed_var) [L884] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L884] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L884] 0 __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L885] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2433={7:0}, t2434={5:0}, t2435={8:0}, t2436={9:0}, weak$$choice0=2, weak$$choice1=255, weak$$choice2=0, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L887] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression VAL [\old(expression)=0, __unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=255, weak$$choice2=0, 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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L19] 0 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=255, weak$$choice2=0, 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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] - UnprovableResult [Line: 870]: 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: 868]: 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: 864]: 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: 866]: 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 9 procedures, 180 locations, 5 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: 31.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 845 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 845 mSDsluCounter, 1247 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1080 mSDsCounter, 165 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3168 IncrementalHoareTripleChecker+Invalid, 3333 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 165 mSolverCounterUnsat, 167 mSDtfsCounter, 3168 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 227 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1369 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=927occurred in iteration=9, InterpolantAutomatonStates: 162, 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, 0.9s SatisfiabilityAnalysisTime, 12.7s InterpolantComputationTime, 1362 NumberOfCodeBlocks, 1362 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1231 ConstructedInterpolants, 0 QuantifiedInterpolants, 8189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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! [2022-11-18 20:39:39,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2c5b2c-ced8-42ae-857a-4a3740f53841/bin/uautomizer-TMbwUNV5ro/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