./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 21:12:19,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 21:12:19,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 21:12:19,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 21:12:20,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 21:12:20,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 21:12:20,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 21:12:20,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 21:12:20,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 21:12:20,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 21:12:20,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 21:12:20,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 21:12:20,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 21:12:20,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 21:12:20,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 21:12:20,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 21:12:20,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 21:12:20,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 21:12:20,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 21:12:20,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 21:12:20,044 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 21:12:20,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 21:12:20,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 21:12:20,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 21:12:20,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 21:12:20,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 21:12:20,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 21:12:20,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 21:12:20,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 21:12:20,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 21:12:20,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 21:12:20,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 21:12:20,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 21:12:20,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 21:12:20,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 21:12:20,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 21:12:20,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 21:12:20,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 21:12:20,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 21:12:20,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 21:12:20,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 21:12:20,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 21:12:20,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 21:12:20,092 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 21:12:20,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 21:12:20,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 21:12:20,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 21:12:20,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 21:12:20,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 21:12:20,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 21:12:20,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 21:12:20,095 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 21:12:20,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 21:12:20,095 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 21:12:20,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 21:12:20,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 21:12:20,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 21:12:20,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 21:12:20,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 21:12:20,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 21:12:20,097 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 21:12:20,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 21:12:20,097 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 21:12:20,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 21:12:20,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 21:12:20,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 21:12:20,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 21:12:20,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 21:12:20,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 21:12:20,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 21:12:20,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 21:12:20,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 21:12:20,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 21:12:20,099 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 21:12:20,099 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 21:12:20,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 21:12:20,099 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 [2022-07-19 21:12:20,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 21:12:20,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 21:12:20,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 21:12:20,305 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 21:12:20,305 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 21:12:20,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2022-07-19 21:12:20,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4254376de/30799aab6ce547238db494b9ca7323d7/FLAG3f5d2b5c3 [2022-07-19 21:12:20,770 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 21:12:20,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2022-07-19 21:12:20,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4254376de/30799aab6ce547238db494b9ca7323d7/FLAG3f5d2b5c3 [2022-07-19 21:12:20,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4254376de/30799aab6ce547238db494b9ca7323d7 [2022-07-19 21:12:20,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 21:12:20,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 21:12:20,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 21:12:20,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 21:12:20,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 21:12:20,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:12:20" (1/1) ... [2022-07-19 21:12:20,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@750cc523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:12:20, skipping insertion in model container [2022-07-19 21:12:20,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:12:20" (1/1) ... [2022-07-19 21:12:20,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 21:12:20,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 21:12:20,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i[951,964] [2022-07-19 21:12:21,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 21:12:21,167 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 21:12:21,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i[951,964] [2022-07-19 21:12:21,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 21:12:21,287 INFO L208 MainTranslator]: Completed translation [2022-07-19 21:12:21,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:12:21 WrapperNode [2022-07-19 21:12:21,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 21:12:21,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 21:12:21,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 21:12:21,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 21:12:21,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:12:21" (1/1) ... [2022-07-19 21:12:21,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:12:21" (1/1) ... [2022-07-19 21:12:21,347 INFO L137 Inliner]: procedures = 177, calls = 84, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 231 [2022-07-19 21:12:21,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 21:12:21,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 21:12:21,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 21:12:21,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 21:12:21,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:12:21" (1/1) ... [2022-07-19 21:12:21,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:12:21" (1/1) ... [2022-07-19 21:12:21,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:12:21" (1/1) ... [2022-07-19 21:12:21,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:12:21" (1/1) ... [2022-07-19 21:12:21,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:12:21" (1/1) ... [2022-07-19 21:12:21,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:12:21" (1/1) ... [2022-07-19 21:12:21,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:12:21" (1/1) ... [2022-07-19 21:12:21,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 21:12:21,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 21:12:21,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 21:12:21,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 21:12:21,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:12:21" (1/1) ... [2022-07-19 21:12:21,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 21:12:21,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:12:21,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 21:12:21,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 21:12:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 21:12:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 21:12:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-19 21:12:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 21:12:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 21:12:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 21:12:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-07-19 21:12:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-07-19 21:12:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-07-19 21:12:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-07-19 21:12:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-07-19 21:12:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-07-19 21:12:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-07-19 21:12:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-07-19 21:12:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 21:12:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-19 21:12:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 21:12:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 21:12:21,497 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-19 21:12:21,613 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 21:12:21,614 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 21:12:22,113 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 21:12:22,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 21:12:22,455 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 21:12:22,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:12:22 BoogieIcfgContainer [2022-07-19 21:12:22,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 21:12:22,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 21:12:22,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 21:12:22,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 21:12:22,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:12:20" (1/3) ... [2022-07-19 21:12:22,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597a870f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:12:22, skipping insertion in model container [2022-07-19 21:12:22,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:12:21" (2/3) ... [2022-07-19 21:12:22,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597a870f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:12:22, skipping insertion in model container [2022-07-19 21:12:22,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:12:22" (3/3) ... [2022-07-19 21:12:22,463 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_power.opt.i [2022-07-19 21:12:22,466 WARN L143 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-07-19 21:12:22,472 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 21:12:22,473 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-19 21:12:22,473 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-07-19 21:12:22,536 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-07-19 21:12:22,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 156 transitions, 332 flow [2022-07-19 21:12:22,632 INFO L129 PetriNetUnfolder]: 2/152 cut-off events. [2022-07-19 21:12:22,632 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-07-19 21:12:22,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 152 events. 2/152 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 63 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2022-07-19 21:12:22,635 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 156 transitions, 332 flow [2022-07-19 21:12:22,641 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 163 places, 152 transitions, 316 flow [2022-07-19 21:12:22,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 21:12:22,657 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6f3d8f6a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@543a9be0 [2022-07-19 21:12:22,658 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-07-19 21:12:22,678 INFO L129 PetriNetUnfolder]: 0/99 cut-off events. [2022-07-19 21:12:22,678 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-07-19 21:12:22,678 INFO L192 CegarLoopForPetriNet]: Found error trace [2022-07-19 21:12:22,679 INFO L200 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] [2022-07-19 21:12:22,680 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-19 21:12:22,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:12:22,684 INFO L85 PathProgramCache]: Analyzing trace with hash -2048292245, now seen corresponding path program 1 times [2022-07-19 21:12:22,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:12:22,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57087051] [2022-07-19 21:12:22,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:12:22,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:12:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:12:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 21:12:22,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:12:22,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57087051] [2022-07-19 21:12:22,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57087051] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:12:22,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:12:22,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 21:12:22,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353628157] [2022-07-19 21:12:22,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:12:22,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 21:12:22,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:12:23,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 21:12:23,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 21:12:23,012 INFO L443 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 156 [2022-07-19 21:12:23,016 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 152 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 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) [2022-07-19 21:12:23,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-07-19 21:12:23,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 156 [2022-07-19 21:12:23,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-07-19 21:12:23,159 INFO L129 PetriNetUnfolder]: 30/399 cut-off events. [2022-07-19 21:12:23,159 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-07-19 21:12:23,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 480 conditions, 399 events. 30/399 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1548 event pairs, 21 based on Foata normal form. 11/389 useless extension candidates. Maximal degree in co-relation 401. Up to 47 conditions per place. [2022-07-19 21:12:23,166 INFO L132 encePairwiseOnDemand]: 151/156 looper letters, 14 selfloop transitions, 2 changer transitions 0/153 dead transitions. [2022-07-19 21:12:23,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 153 transitions, 353 flow [2022-07-19 21:12:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 21:12:23,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-07-19 21:12:23,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 444 transitions. [2022-07-19 21:12:23,192 INFO L488 CegarLoopForPetriNet]: DFA transition density 0.9487179487179487 [2022-07-19 21:12:23,193 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 444 transitions. [2022-07-19 21:12:23,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 444 transitions. [2022-07-19 21:12:23,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-19 21:12:23,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 444 transitions. [2022-07-19 21:12:23,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 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) [2022-07-19 21:12:23,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 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) [2022-07-19 21:12:23,208 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 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) [2022-07-19 21:12:23,210 INFO L186 Difference]: Start difference. First operand has 163 places, 152 transitions, 316 flow. Second operand 3 states and 444 transitions. [2022-07-19 21:12:23,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 153 transitions, 353 flow [2022-07-19 21:12:23,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 153 transitions, 348 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-07-19 21:12:23,220 INFO L242 Difference]: Finished difference. Result has 159 places, 148 transitions, 308 flow [2022-07-19 21:12:23,221 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=159, PETRI_TRANSITIONS=148} [2022-07-19 21:12:23,224 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, -4 predicate places. [2022-07-19 21:12:23,224 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 148 transitions, 308 flow [2022-07-19 21:12:23,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 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) [2022-07-19 21:12:23,225 INFO L192 CegarLoopForPetriNet]: Found error trace [2022-07-19 21:12:23,226 INFO L200 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] [2022-07-19 21:12:23,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 21:12:23,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-19 21:12:23,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:12:23,227 INFO L85 PathProgramCache]: Analyzing trace with hash -678884972, now seen corresponding path program 1 times [2022-07-19 21:12:23,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:12:23,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779724919] [2022-07-19 21:12:23,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:12:23,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:12:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:12:23,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 21:12:23,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:12:23,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779724919] [2022-07-19 21:12:23,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779724919] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:12:23,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:12:23,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 21:12:23,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644045964] [2022-07-19 21:12:23,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:12:23,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 21:12:23,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:12:23,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 21:12:23,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 21:12:23,476 INFO L443 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 156 [2022-07-19 21:12:23,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 148 transitions, 308 flow. Second operand has 6 states, 6 states have (on average 136.0) internal successors, (816), 6 states have internal predecessors, (816), 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) [2022-07-19 21:12:23,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-07-19 21:12:23,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 156 [2022-07-19 21:12:23,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-07-19 21:12:23,900 INFO L129 PetriNetUnfolder]: 285/1113 cut-off events. [2022-07-19 21:12:23,900 INFO L130 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2022-07-19 21:12:23,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1675 conditions, 1113 events. 285/1113 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 7154 event pairs, 18 based on Foata normal form. 0/1084 useless extension candidates. Maximal degree in co-relation 1597. Up to 188 conditions per place. [2022-07-19 21:12:23,906 INFO L132 encePairwiseOnDemand]: 150/156 looper letters, 22 selfloop transitions, 2 changer transitions 50/191 dead transitions. [2022-07-19 21:12:23,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 191 transitions, 534 flow [2022-07-19 21:12:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 21:12:23,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-07-19 21:12:23,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1269 transitions. [2022-07-19 21:12:23,926 INFO L488 CegarLoopForPetriNet]: DFA transition density 0.9038461538461539 [2022-07-19 21:12:23,926 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1269 transitions. [2022-07-19 21:12:23,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1269 transitions. [2022-07-19 21:12:23,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-19 21:12:23,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1269 transitions. [2022-07-19 21:12:23,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 141.0) internal successors, (1269), 9 states have internal predecessors, (1269), 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) [2022-07-19 21:12:23,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2022-07-19 21:12:23,932 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2022-07-19 21:12:23,932 INFO L186 Difference]: Start difference. First operand has 159 places, 148 transitions, 308 flow. Second operand 9 states and 1269 transitions. [2022-07-19 21:12:23,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 191 transitions, 534 flow [2022-07-19 21:12:23,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 191 transitions, 516 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-07-19 21:12:23,936 INFO L242 Difference]: Finished difference. Result has 172 places, 134 transitions, 296 flow [2022-07-19 21:12:23,936 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=296, PETRI_PLACES=172, PETRI_TRANSITIONS=134} [2022-07-19 21:12:23,937 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 9 predicate places. [2022-07-19 21:12:23,937 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 134 transitions, 296 flow [2022-07-19 21:12:23,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.0) internal successors, (816), 6 states have internal predecessors, (816), 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) [2022-07-19 21:12:23,938 INFO L192 CegarLoopForPetriNet]: Found error trace [2022-07-19 21:12:23,938 INFO L200 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] [2022-07-19 21:12:23,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 21:12:23,938 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-19 21:12:23,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:12:23,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1384859885, now seen corresponding path program 1 times [2022-07-19 21:12:23,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:12:23,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182981080] [2022-07-19 21:12:23,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:12:23,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:12:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:12:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 21:12:24,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:12:24,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182981080] [2022-07-19 21:12:24,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182981080] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:12:24,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:12:24,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 21:12:24,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415872740] [2022-07-19 21:12:24,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:12:24,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 21:12:24,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:12:24,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 21:12:24,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 21:12:24,102 INFO L443 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 156 [2022-07-19 21:12:24,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 134 transitions, 296 flow. Second operand has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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) [2022-07-19 21:12:24,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-07-19 21:12:24,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 156 [2022-07-19 21:12:24,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-07-19 21:12:24,463 INFO L129 PetriNetUnfolder]: 367/1021 cut-off events. [2022-07-19 21:12:24,464 INFO L130 PetriNetUnfolder]: For 198/198 co-relation queries the response was YES. [2022-07-19 21:12:24,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1918 conditions, 1021 events. 367/1021 cut-off events. For 198/198 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 6143 event pairs, 93 based on Foata normal form. 18/984 useless extension candidates. Maximal degree in co-relation 1839. Up to 167 conditions per place. [2022-07-19 21:12:24,469 INFO L132 encePairwiseOnDemand]: 148/156 looper letters, 30 selfloop transitions, 4 changer transitions 36/185 dead transitions. [2022-07-19 21:12:24,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 185 transitions, 571 flow [2022-07-19 21:12:24,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 21:12:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-07-19 21:12:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1392 transitions. [2022-07-19 21:12:24,472 INFO L488 CegarLoopForPetriNet]: DFA transition density 0.8923076923076924 [2022-07-19 21:12:24,472 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1392 transitions. [2022-07-19 21:12:24,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1392 transitions. [2022-07-19 21:12:24,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-19 21:12:24,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1392 transitions. [2022-07-19 21:12:24,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 139.2) internal successors, (1392), 10 states have internal predecessors, (1392), 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) [2022-07-19 21:12:24,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 156.0) internal successors, (1716), 11 states have internal predecessors, (1716), 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) [2022-07-19 21:12:24,478 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 156.0) internal successors, (1716), 11 states have internal predecessors, (1716), 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) [2022-07-19 21:12:24,478 INFO L186 Difference]: Start difference. First operand has 172 places, 134 transitions, 296 flow. Second operand 10 states and 1392 transitions. [2022-07-19 21:12:24,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 185 transitions, 571 flow [2022-07-19 21:12:24,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 185 transitions, 537 flow, removed 14 selfloop flow, removed 8 redundant places. [2022-07-19 21:12:24,483 INFO L242 Difference]: Finished difference. Result has 161 places, 134 transitions, 310 flow [2022-07-19 21:12:24,484 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=310, PETRI_PLACES=161, PETRI_TRANSITIONS=134} [2022-07-19 21:12:24,484 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, -2 predicate places. [2022-07-19 21:12:24,484 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 134 transitions, 310 flow [2022-07-19 21:12:24,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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) [2022-07-19 21:12:24,485 INFO L192 CegarLoopForPetriNet]: Found error trace [2022-07-19 21:12:24,485 INFO L200 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] [2022-07-19 21:12:24,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 21:12:24,486 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-19 21:12:24,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:12:24,486 INFO L85 PathProgramCache]: Analyzing trace with hash 780975643, now seen corresponding path program 1 times [2022-07-19 21:12:24,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:12:24,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080216963] [2022-07-19 21:12:24,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:12:24,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:12:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:12:24,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 21:12:24,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:12:24,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080216963] [2022-07-19 21:12:24,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080216963] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:12:24,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:12:24,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 21:12:24,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022623750] [2022-07-19 21:12:24,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:12:24,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 21:12:24,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:12:24,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 21:12:24,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 21:12:24,614 INFO L443 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 156 [2022-07-19 21:12:24,615 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 134 transitions, 310 flow. Second operand has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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) [2022-07-19 21:12:24,615 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-07-19 21:12:24,615 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 156 [2022-07-19 21:12:24,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-07-19 21:12:24,864 INFO L129 PetriNetUnfolder]: 189/688 cut-off events. [2022-07-19 21:12:24,864 INFO L130 PetriNetUnfolder]: For 195/205 co-relation queries the response was YES. [2022-07-19 21:12:24,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1295 conditions, 688 events. 189/688 cut-off events. For 195/205 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3549 event pairs, 44 based on Foata normal form. 12/665 useless extension candidates. Maximal degree in co-relation 1239. Up to 98 conditions per place. [2022-07-19 21:12:24,868 INFO L132 encePairwiseOnDemand]: 148/156 looper letters, 22 selfloop transitions, 4 changer transitions 30/171 dead transitions. [2022-07-19 21:12:24,868 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 171 transitions, 524 flow [2022-07-19 21:12:24,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 21:12:24,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-07-19 21:12:24,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1378 transitions. [2022-07-19 21:12:24,871 INFO L488 CegarLoopForPetriNet]: DFA transition density 0.8833333333333333 [2022-07-19 21:12:24,871 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1378 transitions. [2022-07-19 21:12:24,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1378 transitions. [2022-07-19 21:12:24,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-19 21:12:24,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1378 transitions. [2022-07-19 21:12:24,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 137.8) internal successors, (1378), 10 states have internal predecessors, (1378), 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) [2022-07-19 21:12:24,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 156.0) internal successors, (1716), 11 states have internal predecessors, (1716), 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) [2022-07-19 21:12:24,880 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 156.0) internal successors, (1716), 11 states have internal predecessors, (1716), 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) [2022-07-19 21:12:24,880 INFO L186 Difference]: Start difference. First operand has 161 places, 134 transitions, 310 flow. Second operand 10 states and 1378 transitions. [2022-07-19 21:12:24,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 171 transitions, 524 flow [2022-07-19 21:12:24,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 171 transitions, 474 flow, removed 20 selfloop flow, removed 10 redundant places. [2022-07-19 21:12:24,890 INFO L242 Difference]: Finished difference. Result has 162 places, 134 transitions, 314 flow [2022-07-19 21:12:24,890 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=314, PETRI_PLACES=162, PETRI_TRANSITIONS=134} [2022-07-19 21:12:24,891 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, -1 predicate places. [2022-07-19 21:12:24,891 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 134 transitions, 314 flow [2022-07-19 21:12:24,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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) [2022-07-19 21:12:24,892 INFO L192 CegarLoopForPetriNet]: Found error trace [2022-07-19 21:12:24,892 INFO L200 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] [2022-07-19 21:12:24,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 21:12:24,893 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-19 21:12:24,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:12:24,893 INFO L85 PathProgramCache]: Analyzing trace with hash -108274859, now seen corresponding path program 1 times [2022-07-19 21:12:24,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:12:24,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864876424] [2022-07-19 21:12:24,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:12:24,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:12:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:12:25,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 21:12:25,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:12:25,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864876424] [2022-07-19 21:12:25,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864876424] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:12:25,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:12:25,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 21:12:25,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923405071] [2022-07-19 21:12:25,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:12:25,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 21:12:25,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:12:25,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 21:12:25,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 21:12:25,112 INFO L443 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 156 [2022-07-19 21:12:25,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 134 transitions, 314 flow. Second operand has 6 states, 6 states have (on average 136.16666666666666) internal successors, (817), 6 states have internal predecessors, (817), 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) [2022-07-19 21:12:25,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-07-19 21:12:25,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 156 [2022-07-19 21:12:25,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-07-19 21:12:25,290 INFO L129 PetriNetUnfolder]: 95/364 cut-off events. [2022-07-19 21:12:25,290 INFO L130 PetriNetUnfolder]: For 122/122 co-relation queries the response was YES. [2022-07-19 21:12:25,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 364 events. 95/364 cut-off events. For 122/122 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1179 event pairs, 22 based on Foata normal form. 8/352 useless extension candidates. Maximal degree in co-relation 631. Up to 111 conditions per place. [2022-07-19 21:12:25,293 INFO L132 encePairwiseOnDemand]: 150/156 looper letters, 19 selfloop transitions, 2 changer transitions 22/160 dead transitions. [2022-07-19 21:12:25,293 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 160 transitions, 476 flow [2022-07-19 21:12:25,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 21:12:25,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-07-19 21:12:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1251 transitions. [2022-07-19 21:12:25,296 INFO L488 CegarLoopForPetriNet]: DFA transition density 0.8910256410256411 [2022-07-19 21:12:25,296 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1251 transitions. [2022-07-19 21:12:25,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1251 transitions. [2022-07-19 21:12:25,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-19 21:12:25,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1251 transitions. [2022-07-19 21:12:25,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 139.0) internal successors, (1251), 9 states have internal predecessors, (1251), 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) [2022-07-19 21:12:25,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2022-07-19 21:12:25,301 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2022-07-19 21:12:25,301 INFO L186 Difference]: Start difference. First operand has 162 places, 134 transitions, 314 flow. Second operand 9 states and 1251 transitions. [2022-07-19 21:12:25,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 160 transitions, 476 flow [2022-07-19 21:12:25,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 160 transitions, 438 flow, removed 16 selfloop flow, removed 9 redundant places. [2022-07-19 21:12:25,304 INFO L242 Difference]: Finished difference. Result has 162 places, 134 transitions, 314 flow [2022-07-19 21:12:25,305 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=314, PETRI_PLACES=162, PETRI_TRANSITIONS=134} [2022-07-19 21:12:25,307 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, -1 predicate places. [2022-07-19 21:12:25,307 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 134 transitions, 314 flow [2022-07-19 21:12:25,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.16666666666666) internal successors, (817), 6 states have internal predecessors, (817), 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) [2022-07-19 21:12:25,308 INFO L192 CegarLoopForPetriNet]: Found error trace [2022-07-19 21:12:25,308 INFO L200 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] [2022-07-19 21:12:25,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 21:12:25,308 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-19 21:12:25,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:12:25,309 INFO L85 PathProgramCache]: Analyzing trace with hash -336341868, now seen corresponding path program 1 times [2022-07-19 21:12:25,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:12:25,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918067685] [2022-07-19 21:12:25,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:12:25,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:12:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:12:25,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 21:12:25,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:12:25,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918067685] [2022-07-19 21:12:25,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918067685] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:12:25,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:12:25,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 21:12:25,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113850008] [2022-07-19 21:12:25,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:12:25,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 21:12:25,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:12:25,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 21:12:25,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 21:12:25,489 INFO L443 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 156 [2022-07-19 21:12:25,490 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 134 transitions, 314 flow. Second operand has 7 states, 7 states have (on average 134.14285714285714) internal successors, (939), 7 states have internal predecessors, (939), 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) [2022-07-19 21:12:25,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-07-19 21:12:25,490 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 156 [2022-07-19 21:12:25,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-07-19 21:12:25,715 INFO L129 PetriNetUnfolder]: 177/562 cut-off events. [2022-07-19 21:12:25,716 INFO L130 PetriNetUnfolder]: For 206/206 co-relation queries the response was YES. [2022-07-19 21:12:25,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1088 conditions, 562 events. 177/562 cut-off events. For 206/206 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2392 event pairs, 46 based on Foata normal form. 12/546 useless extension candidates. Maximal degree in co-relation 1032. Up to 90 conditions per place. [2022-07-19 21:12:25,718 INFO L132 encePairwiseOnDemand]: 148/156 looper letters, 19 selfloop transitions, 4 changer transitions 34/172 dead transitions. [2022-07-19 21:12:25,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 172 transitions, 535 flow [2022-07-19 21:12:25,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 21:12:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-07-19 21:12:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1379 transitions. [2022-07-19 21:12:25,721 INFO L488 CegarLoopForPetriNet]: DFA transition density 0.8839743589743589 [2022-07-19 21:12:25,721 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1379 transitions. [2022-07-19 21:12:25,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1379 transitions. [2022-07-19 21:12:25,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-19 21:12:25,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1379 transitions. [2022-07-19 21:12:25,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 137.9) internal successors, (1379), 10 states have internal predecessors, (1379), 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) [2022-07-19 21:12:25,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 156.0) internal successors, (1716), 11 states have internal predecessors, (1716), 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) [2022-07-19 21:12:25,726 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 156.0) internal successors, (1716), 11 states have internal predecessors, (1716), 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) [2022-07-19 21:12:25,726 INFO L186 Difference]: Start difference. First operand has 162 places, 134 transitions, 314 flow. Second operand 10 states and 1379 transitions. [2022-07-19 21:12:25,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 172 transitions, 535 flow [2022-07-19 21:12:25,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 172 transitions, 501 flow, removed 14 selfloop flow, removed 8 redundant places. [2022-07-19 21:12:25,730 INFO L242 Difference]: Finished difference. Result has 165 places, 134 transitions, 328 flow [2022-07-19 21:12:25,730 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=328, PETRI_PLACES=165, PETRI_TRANSITIONS=134} [2022-07-19 21:12:25,731 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 2 predicate places. [2022-07-19 21:12:25,732 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 134 transitions, 328 flow [2022-07-19 21:12:25,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 134.14285714285714) internal successors, (939), 7 states have internal predecessors, (939), 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) [2022-07-19 21:12:25,733 INFO L192 CegarLoopForPetriNet]: Found error trace [2022-07-19 21:12:25,733 INFO L200 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] [2022-07-19 21:12:25,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 21:12:25,733 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-19 21:12:25,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:12:25,734 INFO L85 PathProgramCache]: Analyzing trace with hash -272199669, now seen corresponding path program 1 times [2022-07-19 21:12:25,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:12:25,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845936692] [2022-07-19 21:12:25,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:12:25,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:12:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:12:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 21:12:25,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:12:25,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845936692] [2022-07-19 21:12:25,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845936692] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:12:25,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:12:25,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 21:12:25,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933758925] [2022-07-19 21:12:25,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:12:25,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 21:12:25,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:12:25,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 21:12:25,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 21:12:25,893 INFO L443 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 156 [2022-07-19 21:12:25,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 134 transitions, 328 flow. Second operand has 6 states, 6 states have (on average 132.33333333333334) internal successors, (794), 6 states have internal predecessors, (794), 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) [2022-07-19 21:12:25,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-07-19 21:12:25,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 156 [2022-07-19 21:12:25,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-07-19 21:12:26,327 INFO L129 PetriNetUnfolder]: 1348/2926 cut-off events. [2022-07-19 21:12:26,327 INFO L130 PetriNetUnfolder]: For 560/564 co-relation queries the response was YES. [2022-07-19 21:12:26,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5417 conditions, 2926 events. 1348/2926 cut-off events. For 560/564 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 20599 event pairs, 64 based on Foata normal form. 0/2846 useless extension candidates. Maximal degree in co-relation 5323. Up to 939 conditions per place. [2022-07-19 21:12:26,343 INFO L132 encePairwiseOnDemand]: 145/156 looper letters, 28 selfloop transitions, 7 changer transitions 47/194 dead transitions. [2022-07-19 21:12:26,344 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 194 transitions, 612 flow [2022-07-19 21:12:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 21:12:26,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-07-19 21:12:26,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1384 transitions. [2022-07-19 21:12:26,347 INFO L488 CegarLoopForPetriNet]: DFA transition density 0.8871794871794871 [2022-07-19 21:12:26,347 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1384 transitions. [2022-07-19 21:12:26,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1384 transitions. [2022-07-19 21:12:26,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-19 21:12:26,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1384 transitions. [2022-07-19 21:12:26,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 138.4) internal successors, (1384), 10 states have internal predecessors, (1384), 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) [2022-07-19 21:12:26,352 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 156.0) internal successors, (1716), 11 states have internal predecessors, (1716), 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) [2022-07-19 21:12:26,353 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 156.0) internal successors, (1716), 11 states have internal predecessors, (1716), 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) [2022-07-19 21:12:26,353 INFO L186 Difference]: Start difference. First operand has 165 places, 134 transitions, 328 flow. Second operand 10 states and 1384 transitions. [2022-07-19 21:12:26,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 194 transitions, 612 flow [2022-07-19 21:12:26,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 194 transitions, 586 flow, removed 8 selfloop flow, removed 10 redundant places. [2022-07-19 21:12:26,359 INFO L242 Difference]: Finished difference. Result has 164 places, 137 transitions, 368 flow [2022-07-19 21:12:26,359 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=368, PETRI_PLACES=164, PETRI_TRANSITIONS=137} [2022-07-19 21:12:26,359 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 1 predicate places. [2022-07-19 21:12:26,360 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 137 transitions, 368 flow [2022-07-19 21:12:26,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 132.33333333333334) internal successors, (794), 6 states have internal predecessors, (794), 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) [2022-07-19 21:12:26,360 INFO L192 CegarLoopForPetriNet]: Found error trace [2022-07-19 21:12:26,360 INFO L200 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] [2022-07-19 21:12:26,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 21:12:26,361 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-19 21:12:26,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:12:26,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1707265813, now seen corresponding path program 1 times [2022-07-19 21:12:26,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:12:26,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947011152] [2022-07-19 21:12:26,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:12:26,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:12:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:12:26,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 21:12:26,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:12:26,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947011152] [2022-07-19 21:12:26,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947011152] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:12:26,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:12:26,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 21:12:26,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431630753] [2022-07-19 21:12:26,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:12:26,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 21:12:26,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:12:26,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 21:12:26,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-19 21:12:26,491 INFO L443 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 156 [2022-07-19 21:12:26,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 137 transitions, 368 flow. Second operand has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 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) [2022-07-19 21:12:26,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-07-19 21:12:26,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 156 [2022-07-19 21:12:26,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-07-19 21:12:26,800 INFO L129 PetriNetUnfolder]: 699/1534 cut-off events. [2022-07-19 21:12:26,800 INFO L130 PetriNetUnfolder]: For 2342/2379 co-relation queries the response was YES. [2022-07-19 21:12:26,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4583 conditions, 1534 events. 699/1534 cut-off events. For 2342/2379 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 8598 event pairs, 24 based on Foata normal form. 46/1569 useless extension candidates. Maximal degree in co-relation 4491. Up to 555 conditions per place. [2022-07-19 21:12:26,809 INFO L132 encePairwiseOnDemand]: 146/156 looper letters, 31 selfloop transitions, 11 changer transitions 35/189 dead transitions. [2022-07-19 21:12:26,809 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 189 transitions, 789 flow [2022-07-19 21:12:26,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 21:12:26,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-07-19 21:12:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1379 transitions. [2022-07-19 21:12:26,812 INFO L488 CegarLoopForPetriNet]: DFA transition density 0.8839743589743589 [2022-07-19 21:12:26,812 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1379 transitions. [2022-07-19 21:12:26,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1379 transitions. [2022-07-19 21:12:26,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-19 21:12:26,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1379 transitions. [2022-07-19 21:12:26,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 137.9) internal successors, (1379), 10 states have internal predecessors, (1379), 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) [2022-07-19 21:12:26,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 156.0) internal successors, (1716), 11 states have internal predecessors, (1716), 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) [2022-07-19 21:12:26,817 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 156.0) internal successors, (1716), 11 states have internal predecessors, (1716), 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) [2022-07-19 21:12:26,817 INFO L186 Difference]: Start difference. First operand has 164 places, 137 transitions, 368 flow. Second operand 10 states and 1379 transitions. [2022-07-19 21:12:26,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 189 transitions, 789 flow [2022-07-19 21:12:26,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 189 transitions, 758 flow, removed 8 selfloop flow, removed 6 redundant places. [2022-07-19 21:12:26,823 INFO L242 Difference]: Finished difference. Result has 167 places, 141 transitions, 450 flow [2022-07-19 21:12:26,823 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=450, PETRI_PLACES=167, PETRI_TRANSITIONS=141} [2022-07-19 21:12:26,825 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 4 predicate places. [2022-07-19 21:12:26,825 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 141 transitions, 450 flow [2022-07-19 21:12:26,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 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) [2022-07-19 21:12:26,826 INFO L192 CegarLoopForPetriNet]: Found error trace [2022-07-19 21:12:26,826 INFO L200 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] [2022-07-19 21:12:26,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 21:12:26,826 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-19 21:12:26,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:12:26,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1784016565, now seen corresponding path program 1 times [2022-07-19 21:12:26,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:12:26,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268323388] [2022-07-19 21:12:26,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:12:26,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:12:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:12:26,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 21:12:26,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:12:26,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268323388] [2022-07-19 21:12:26,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268323388] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:12:26,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:12:26,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 21:12:26,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795020364] [2022-07-19 21:12:26,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:12:26,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 21:12:26,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:12:26,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 21:12:26,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-19 21:12:26,939 INFO L443 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 156 [2022-07-19 21:12:26,940 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 141 transitions, 450 flow. Second operand has 8 states, 8 states have (on average 132.0) internal successors, (1056), 8 states have internal predecessors, (1056), 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) [2022-07-19 21:12:26,940 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-07-19 21:12:26,940 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 156 [2022-07-19 21:12:26,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-07-19 21:12:27,160 INFO L129 PetriNetUnfolder]: 274/785 cut-off events. [2022-07-19 21:12:27,161 INFO L130 PetriNetUnfolder]: For 2635/2685 co-relation queries the response was YES. [2022-07-19 21:12:27,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2729 conditions, 785 events. 274/785 cut-off events. For 2635/2685 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3847 event pairs, 2 based on Foata normal form. 33/810 useless extension candidates. Maximal degree in co-relation 2635. Up to 238 conditions per place. [2022-07-19 21:12:27,165 INFO L132 encePairwiseOnDemand]: 146/156 looper letters, 34 selfloop transitions, 15 changer transitions 35/196 dead transitions. [2022-07-19 21:12:27,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 196 transitions, 1044 flow [2022-07-19 21:12:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 21:12:27,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-07-19 21:12:27,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1516 transitions. [2022-07-19 21:12:27,178 INFO L488 CegarLoopForPetriNet]: DFA transition density 0.8834498834498834 [2022-07-19 21:12:27,178 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1516 transitions. [2022-07-19 21:12:27,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1516 transitions. [2022-07-19 21:12:27,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-19 21:12:27,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1516 transitions. [2022-07-19 21:12:27,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 137.8181818181818) internal successors, (1516), 11 states have internal predecessors, (1516), 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) [2022-07-19 21:12:27,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 156.0) internal successors, (1872), 12 states have internal predecessors, (1872), 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) [2022-07-19 21:12:27,184 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 156.0) internal successors, (1872), 12 states have internal predecessors, (1872), 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) [2022-07-19 21:12:27,184 INFO L186 Difference]: Start difference. First operand has 167 places, 141 transitions, 450 flow. Second operand 11 states and 1516 transitions. [2022-07-19 21:12:27,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 196 transitions, 1044 flow [2022-07-19 21:12:27,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 196 transitions, 860 flow, removed 80 selfloop flow, removed 10 redundant places. [2022-07-19 21:12:27,193 INFO L242 Difference]: Finished difference. Result has 169 places, 145 transitions, 496 flow [2022-07-19 21:12:27,193 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=496, PETRI_PLACES=169, PETRI_TRANSITIONS=145} [2022-07-19 21:12:27,193 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 6 predicate places. [2022-07-19 21:12:27,194 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 145 transitions, 496 flow [2022-07-19 21:12:27,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 132.0) internal successors, (1056), 8 states have internal predecessors, (1056), 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) [2022-07-19 21:12:27,194 INFO L192 CegarLoopForPetriNet]: Found error trace [2022-07-19 21:12:27,194 INFO L200 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, 1, 1] [2022-07-19 21:12:27,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 21:12:27,195 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-19 21:12:27,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:12:27,195 INFO L85 PathProgramCache]: Analyzing trace with hash -777770602, now seen corresponding path program 1 times [2022-07-19 21:12:27,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:12:27,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595794903] [2022-07-19 21:12:27,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:12:27,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:12:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:12:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 21:12:27,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:12:27,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595794903] [2022-07-19 21:12:27,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595794903] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:12:27,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:12:27,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 21:12:27,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986464577] [2022-07-19 21:12:27,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:12:27,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 21:12:27,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:12:27,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 21:12:27,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-19 21:12:27,349 INFO L443 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 156 [2022-07-19 21:12:27,349 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 145 transitions, 496 flow. Second operand has 9 states, 9 states have (on average 132.0) internal successors, (1188), 9 states have internal predecessors, (1188), 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) [2022-07-19 21:12:27,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-07-19 21:12:27,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 156 [2022-07-19 21:12:27,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-07-19 21:12:27,525 INFO L129 PetriNetUnfolder]: 96/386 cut-off events. [2022-07-19 21:12:27,525 INFO L130 PetriNetUnfolder]: For 875/917 co-relation queries the response was YES. [2022-07-19 21:12:27,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1109 conditions, 386 events. 96/386 cut-off events. For 875/917 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1413 event pairs, 2 based on Foata normal form. 16/394 useless extension candidates. Maximal degree in co-relation 1078. Up to 85 conditions per place. [2022-07-19 21:12:27,528 INFO L132 encePairwiseOnDemand]: 146/156 looper letters, 23 selfloop transitions, 19 changer transitions 21/175 dead transitions. [2022-07-19 21:12:27,528 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 175 transitions, 826 flow [2022-07-19 21:12:27,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 21:12:27,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-07-19 21:12:27,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1625 transitions. [2022-07-19 21:12:27,531 INFO L488 CegarLoopForPetriNet]: DFA transition density 0.8680555555555556 [2022-07-19 21:12:27,531 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1625 transitions. [2022-07-19 21:12:27,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1625 transitions. [2022-07-19 21:12:27,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-19 21:12:27,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1625 transitions. [2022-07-19 21:12:27,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 135.41666666666666) internal successors, (1625), 12 states have internal predecessors, (1625), 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) [2022-07-19 21:12:27,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 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) [2022-07-19 21:12:27,537 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 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) [2022-07-19 21:12:27,537 INFO L186 Difference]: Start difference. First operand has 169 places, 145 transitions, 496 flow. Second operand 12 states and 1625 transitions. [2022-07-19 21:12:27,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 175 transitions, 826 flow [2022-07-19 21:12:27,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 175 transitions, 690 flow, removed 52 selfloop flow, removed 11 redundant places. [2022-07-19 21:12:27,541 INFO L242 Difference]: Finished difference. Result has 171 places, 145 transitions, 470 flow [2022-07-19 21:12:27,541 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=470, PETRI_PLACES=171, PETRI_TRANSITIONS=145} [2022-07-19 21:12:27,542 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 8 predicate places. [2022-07-19 21:12:27,542 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 145 transitions, 470 flow [2022-07-19 21:12:27,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 132.0) internal successors, (1188), 9 states have internal predecessors, (1188), 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) [2022-07-19 21:12:27,542 INFO L192 CegarLoopForPetriNet]: Found error trace [2022-07-19 21:12:27,543 INFO L200 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, 1, 1, 1, 1, 1] [2022-07-19 21:12:27,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-19 21:12:27,543 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-19 21:12:27,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:12:27,543 INFO L85 PathProgramCache]: Analyzing trace with hash 813302355, now seen corresponding path program 1 times [2022-07-19 21:12:27,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:12:27,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365781348] [2022-07-19 21:12:27,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:12:27,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:12:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 21:12:27,649 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 21:12:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 21:12:27,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 21:12:27,779 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 21:12:27,780 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-07-19 21:12:27,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-07-19 21:12:27,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-07-19 21:12:27,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-07-19 21:12:27,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2022-07-19 21:12:27,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2022-07-19 21:12:27,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-07-19 21:12:27,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-19 21:12:27,784 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:12:27,789 INFO L226 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-07-19 21:12:27,789 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 21:12:27,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:12:27 BasicIcfg [2022-07-19 21:12:27,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 21:12:27,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 21:12:27,941 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 21:12:27,941 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 21:12:27,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:12:22" (3/4) ... [2022-07-19 21:12:27,942 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-19 21:12:28,100 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 21:12:28,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 21:12:28,100 INFO L158 Benchmark]: Toolchain (without parser) took 7296.17ms. Allocated memory was 94.4MB in the beginning and 381.7MB in the end (delta: 287.3MB). Free memory was 72.8MB in the beginning and 278.7MB in the end (delta: -205.9MB). Peak memory consumption was 186.7MB. Max. memory is 16.1GB. [2022-07-19 21:12:28,101 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 94.4MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 21:12:28,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.88ms. Allocated memory is still 94.4MB. Free memory was 72.8MB in the beginning and 56.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-19 21:12:28,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.80ms. Allocated memory is still 94.4MB. Free memory was 56.3MB in the beginning and 53.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 21:12:28,101 INFO L158 Benchmark]: Boogie Preprocessor took 45.19ms. Allocated memory is still 94.4MB. Free memory was 53.5MB in the beginning and 51.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 21:12:28,102 INFO L158 Benchmark]: RCFGBuilder took 1063.35ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 51.0MB in the beginning and 70.2MB in the end (delta: -19.2MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2022-07-19 21:12:28,102 INFO L158 Benchmark]: TraceAbstraction took 5481.35ms. Allocated memory was 119.5MB in the beginning and 262.1MB in the end (delta: 142.6MB). Free memory was 69.3MB in the beginning and 92.7MB in the end (delta: -23.4MB). Peak memory consumption was 153.5MB. Max. memory is 16.1GB. [2022-07-19 21:12:28,102 INFO L158 Benchmark]: Witness Printer took 159.67ms. Allocated memory was 262.1MB in the beginning and 381.7MB in the end (delta: 119.5MB). Free memory was 92.7MB in the beginning and 278.7MB in the end (delta: -186.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-07-19 21:12:28,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 94.4MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.88ms. Allocated memory is still 94.4MB. Free memory was 72.8MB in the beginning and 56.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.80ms. Allocated memory is still 94.4MB. Free memory was 56.3MB in the beginning and 53.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.19ms. Allocated memory is still 94.4MB. Free memory was 53.5MB in the beginning and 51.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1063.35ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 51.0MB in the beginning and 70.2MB in the end (delta: -19.2MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5481.35ms. Allocated memory was 119.5MB in the beginning and 262.1MB in the end (delta: 142.6MB). Free memory was 69.3MB in the beginning and 92.7MB in the end (delta: -23.4MB). Peak memory consumption was 153.5MB. Max. memory is 16.1GB. * Witness Printer took 159.67ms. Allocated memory was 262.1MB in the beginning and 381.7MB in the end (delta: 119.5MB). Free memory was 92.7MB in the beginning and 278.7MB in the end (delta: -186.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L714] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L716] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0] [L718] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0] [L719] 0 _Bool __unbuffered_p3_EAX$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0] [L720] 0 int __unbuffered_p3_EAX$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0] [L721] 0 _Bool __unbuffered_p3_EAX$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0] [L722] 0 _Bool __unbuffered_p3_EAX$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0] [L723] 0 _Bool __unbuffered_p3_EAX$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0] [L724] 0 _Bool __unbuffered_p3_EAX$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0] [L725] 0 _Bool __unbuffered_p3_EAX$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0] [L726] 0 _Bool __unbuffered_p3_EAX$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0] [L727] 0 _Bool __unbuffered_p3_EAX$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0] [L728] 0 _Bool __unbuffered_p3_EAX$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0] [L729] 0 _Bool __unbuffered_p3_EAX$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0] [L730] 0 _Bool __unbuffered_p3_EAX$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0] [L731] 0 _Bool __unbuffered_p3_EAX$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0] [L732] 0 int *__unbuffered_p3_EAX$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}] [L733] 0 int __unbuffered_p3_EAX$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0] [L734] 0 _Bool __unbuffered_p3_EAX$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0] [L735] 0 int __unbuffered_p3_EAX$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0] [L736] 0 _Bool __unbuffered_p3_EAX$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0] [L738] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0] [L739] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0] [L740] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L742] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L744] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L746] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}] [L747] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0] [L748] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0] [L749] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L750] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L751] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L752] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L753] 0 _Bool z$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0] [L754] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0] [L755] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L756] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L757] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L758] 0 _Bool z$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L759] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0] [L760] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L761] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L762] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L763] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L764] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L765] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L766] 0 _Bool weak$$choice1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L767] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L875] 0 pthread_t t2709; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t2709={4:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L876] FCALL, FORK 0 pthread_create(&t2709, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2709, ((void *)0), P0, ((void *)0))=-2, t2709={4:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L877] 0 pthread_t t2710; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2709={4:0}, t2710={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L878] FCALL, FORK 0 pthread_create(&t2710, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2710, ((void *)0), P1, ((void *)0))=-1, t2709={4:0}, t2710={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L879] 0 pthread_t t2711; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2709={4:0}, t2710={5:0}, t2711={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L880] FCALL, FORK 0 pthread_create(&t2711, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2711, ((void *)0), P2, ((void *)0))=0, t2709={4:0}, t2710={5:0}, t2711={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L881] 0 pthread_t t2712; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2709={4:0}, t2710={5:0}, t2711={7:0}, t2712={8:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L882] FCALL, FORK 0 pthread_create(&t2712, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2712, ((void *)0), P3, ((void *)0))=1, t2709={4:0}, t2710={5:0}, t2711={7:0}, t2712={8:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L831] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 4 z$flush_delayed = weak$$choice2 [L834] EXPR 4 \read(z) [L834] 4 z$mem_tmp = z [L835] 4 weak$$choice1 = __VERIFIER_nondet_bool() [L836] EXPR 4 !z$w_buff0_used ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z : (weak$$choice1 ? z$w_buff0 : z$w_buff1)) : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z$w_buff1 : z$w_buff0) : (weak$$choice0 ? z$w_buff0 : z)))) [L836] EXPR 4 \read(z) [L836] EXPR 4 !z$w_buff0_used ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z : (weak$$choice1 ? z$w_buff0 : z$w_buff1)) : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z$w_buff1 : z$w_buff0) : (weak$$choice0 ? z$w_buff0 : z)))) [L836] 4 z = !z$w_buff0_used ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z : (weak$$choice1 ? z$w_buff0 : z$w_buff1)) : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z$w_buff1 : z$w_buff0) : (weak$$choice0 ? z$w_buff0 : z)))) [L837] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)))) [L837] EXPR 4 !z$w_buff0_used ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0))) [L837] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)))) [L837] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)))) [L838] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)))) [L838] EXPR 4 !z$w_buff0_used ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1))) [L838] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)))) [L838] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)))) [L839] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 || !weak$$choice1 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 : weak$$choice0)))) [L839] EXPR 4 !z$w_buff0_used ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 || !weak$$choice1 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 : weak$$choice0))) [L839] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 || !weak$$choice1 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 : weak$$choice0)))) [L839] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 || !weak$$choice1 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 : weak$$choice0)))) [L840] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)))) [L840] EXPR 4 !z$w_buff0_used ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0))) [L840] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)))) [L840] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)))) [L841] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)))) [L841] EXPR 4 !z$w_buff0_used ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0))) [L841] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)))) [L841] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)))) [L842] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z$r_buff1_thd4 : (_Bool)0) : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)))) [L842] EXPR 4 !z$w_buff0_used ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z$r_buff1_thd4 : (_Bool)0) : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0))) [L842] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z$r_buff1_thd4 : (_Bool)0) : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)))) [L842] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z$r_buff1_thd4 : (_Bool)0) : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)))) [L843] 4 __unbuffered_p3_EAX$read_delayed = (_Bool)1 [L844] 4 __unbuffered_p3_EAX$read_delayed_var = &z [L845] EXPR 4 \read(z) [L845] 4 __unbuffered_p3_EAX = z [L846] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L846] EXPR 4 \read(z) [L846] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L846] 4 z = z$flush_delayed ? z$mem_tmp : z [L847] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 4 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L771] 1 __unbuffered_p0_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L774] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=1, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L786] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=1, y=0, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L789] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=1, y=1, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L801] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=1, y=1, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L804] 3 z$w_buff1 = z$w_buff0 [L805] 3 z$w_buff0 = 1 [L806] 3 z$w_buff1_used = z$w_buff0_used [L807] 3 z$w_buff0_used = (_Bool)1 [L808] CALL 3 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L808] RET 3 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L809] 3 z$r_buff1_thd0 = z$r_buff0_thd0 [L810] 3 z$r_buff1_thd1 = z$r_buff0_thd1 [L811] 3 z$r_buff1_thd2 = z$r_buff0_thd2 [L812] 3 z$r_buff1_thd3 = z$r_buff0_thd3 [L813] 3 z$r_buff1_thd4 = z$r_buff0_thd4 [L814] 3 z$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=1, y=1, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L853] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L853] EXPR 4 z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z [L853] EXPR 4 \read(z) [L853] EXPR 4 z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z [L853] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L853] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L854] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L854] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L855] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L855] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L856] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L856] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L857] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L857] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L817] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L817] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L818] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L818] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L819] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L819] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L820] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L820] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L821] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L821] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L860] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=1, y=1, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L779] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=1, y=1, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L794] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=1, y=1, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L824] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, 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$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=1, y=1, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L884] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2709={4:0}, t2710={5:0}, t2711={7:0}, t2712={8:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=1, y=1, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L886] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=1, y=1, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L886] RET 0 assume_abort_if_not(main$tmp_guard0) [L888] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L888] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L888] EXPR 0 \read(z) [L888] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L888] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L888] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L889] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L889] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L890] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L890] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L891] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L891] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L892] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L892] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L895] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L896] EXPR 0 __unbuffered_p3_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p3_EAX$read_delayed_var : __unbuffered_p3_EAX) : __unbuffered_p3_EAX [L896] EXPR 0 weak$$choice1 ? *__unbuffered_p3_EAX$read_delayed_var : __unbuffered_p3_EAX [L896] EXPR 0 \read(*__unbuffered_p3_EAX$read_delayed_var) [L896] EXPR 0 weak$$choice1 ? *__unbuffered_p3_EAX$read_delayed_var : __unbuffered_p3_EAX [L896] EXPR 0 __unbuffered_p3_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p3_EAX$read_delayed_var : __unbuffered_p3_EAX) : __unbuffered_p3_EAX [L896] 0 __unbuffered_p3_EAX = __unbuffered_p3_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p3_EAX$read_delayed_var : __unbuffered_p3_EAX) : __unbuffered_p3_EAX [L897] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p3_EAX == 1) VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2709={4:0}, t2710={5:0}, t2711={7:0}, t2712={8:0}, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x=1, y=1, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L899] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x=1, y=1, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x=1, y=1, z={3:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 880]: 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: 876]: 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: 882]: 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: 878]: 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, 190 locations, 7 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: 5.2s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 548 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 548 mSDsluCounter, 262 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 696 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1067 IncrementalHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 60 mSDtfsCounter, 1067 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=9, InterpolantAutomatonStates: 94, 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, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1250 NumberOfCodeBlocks, 1250 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1115 ConstructedInterpolants, 0 QuantifiedInterpolants, 3051 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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! [2022-07-19 21:12:28,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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