/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_power.opt-thin000_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 16:35:41,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 16:35:41,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 16:35:41,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 16:35:41,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 16:35:41,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 16:35:41,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 16:35:41,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 16:35:41,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 16:35:41,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 16:35:41,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 16:35:41,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 16:35:41,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 16:35:41,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 16:35:41,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 16:35:41,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 16:35:41,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 16:35:41,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 16:35:41,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 16:35:41,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 16:35:41,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 16:35:41,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 16:35:41,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 16:35:41,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 16:35:41,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 16:35:41,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 16:35:41,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 16:35:41,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 16:35:41,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 16:35:41,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 16:35:41,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 16:35:41,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 16:35:41,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 16:35:41,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 16:35:41,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 16:35:41,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 16:35:41,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 16:35:41,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 16:35:41,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 16:35:41,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 16:35:41,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 16:35:41,096 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-06 16:35:41,111 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 16:35:41,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 16:35:41,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 16:35:41,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 16:35:41,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 16:35:41,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 16:35:41,113 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 16:35:41,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 16:35:41,113 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 16:35:41,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 16:35:41,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 16:35:41,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 16:35:41,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 16:35:41,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 16:35:41,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 16:35:41,114 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 16:35:41,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 16:35:41,114 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 16:35:41,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 16:35:41,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 16:35:41,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 16:35:41,114 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 16:35:41,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 16:35:41,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:35:41,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 16:35:41,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 16:35:41,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 16:35:41,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 16:35:41,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 16:35:41,115 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 16:35:41,116 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 16:35:41,116 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 16:35:41,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 16:35:41,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 16:35:41,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 16:35:41,373 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 16:35:41,373 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 16:35:41,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_power.opt-thin000_power.opt.i [2022-12-06 16:35:42,354 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 16:35:42,584 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 16:35:42,585 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_power.opt-thin000_power.opt.i [2022-12-06 16:35:42,601 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e06f799f/ccd79b3a7b654b8395ff5fbf58e45509/FLAG9edaa3db7 [2022-12-06 16:35:42,616 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e06f799f/ccd79b3a7b654b8395ff5fbf58e45509 [2022-12-06 16:35:42,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 16:35:42,619 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 16:35:42,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 16:35:42,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 16:35:42,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 16:35:42,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:35:42" (1/1) ... [2022-12-06 16:35:42,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea73c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:42, skipping insertion in model container [2022-12-06 16:35:42,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:35:42" (1/1) ... [2022-12-06 16:35:42,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 16:35:42,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 16:35:42,799 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_power.opt-thin000_power.opt.i[969,982] [2022-12-06 16:35:42,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:42,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:42,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:42,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:42,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:42,935 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:42,935 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:42,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:42,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:42,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:42,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:42,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:42,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:42,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:42,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:42,963 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:42,969 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:42,969 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:42,970 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:42,978 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:42,979 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:42,979 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:42,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:35:42,990 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 16:35:43,000 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_power.opt-thin000_power.opt.i[969,982] [2022-12-06 16:35:43,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:43,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:43,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:43,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:43,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:43,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:43,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:43,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:43,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:43,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:43,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:43,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:43,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:43,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:43,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:43,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:43,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:43,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:43,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:43,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:43,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:35:43,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:35:43,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:35:43,084 INFO L208 MainTranslator]: Completed translation [2022-12-06 16:35:43,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:43 WrapperNode [2022-12-06 16:35:43,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 16:35:43,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 16:35:43,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 16:35:43,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 16:35:43,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:43" (1/1) ... [2022-12-06 16:35:43,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:43" (1/1) ... [2022-12-06 16:35:43,116 INFO L138 Inliner]: procedures = 175, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 163 [2022-12-06 16:35:43,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 16:35:43,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 16:35:43,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 16:35:43,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 16:35:43,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:43" (1/1) ... [2022-12-06 16:35:43,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:43" (1/1) ... [2022-12-06 16:35:43,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:43" (1/1) ... [2022-12-06 16:35:43,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:43" (1/1) ... [2022-12-06 16:35:43,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:43" (1/1) ... [2022-12-06 16:35:43,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:43" (1/1) ... [2022-12-06 16:35:43,150 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:43" (1/1) ... [2022-12-06 16:35:43,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:43" (1/1) ... [2022-12-06 16:35:43,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 16:35:43,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 16:35:43,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 16:35:43,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 16:35:43,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:43" (1/1) ... [2022-12-06 16:35:43,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:35:43,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:35:43,193 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) [2022-12-06 16:35:43,213 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 [2022-12-06 16:35:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 16:35:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 16:35:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 16:35:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 16:35:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 16:35:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 16:35:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 16:35:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 16:35:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 16:35:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 16:35:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 16:35:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 16:35:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 16:35:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 16:35:43,257 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 16:35:43,423 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 16:35:43,424 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 16:35:43,837 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 16:35:44,068 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 16:35:44,068 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 16:35:44,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:35:44 BoogieIcfgContainer [2022-12-06 16:35:44,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 16:35:44,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 16:35:44,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 16:35:44,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 16:35:44,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:35:42" (1/3) ... [2022-12-06 16:35:44,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35873623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:35:44, skipping insertion in model container [2022-12-06 16:35:44,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:43" (2/3) ... [2022-12-06 16:35:44,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35873623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:35:44, skipping insertion in model container [2022-12-06 16:35:44,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:35:44" (3/3) ... [2022-12-06 16:35:44,101 INFO L112 eAbstractionObserver]: Analyzing ICFG safe006_power.opt-thin000_power.opt.i [2022-12-06 16:35:44,113 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 16:35:44,113 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 16:35:44,113 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 16:35:44,154 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 16:35:44,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 110 places, 105 transitions, 220 flow [2022-12-06 16:35:44,234 INFO L130 PetriNetUnfolder]: 2/103 cut-off events. [2022-12-06 16:35:44,234 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 16:35:44,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 103 events. 2/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2022-12-06 16:35:44,239 INFO L82 GeneralOperation]: Start removeDead. Operand has 110 places, 105 transitions, 220 flow [2022-12-06 16:35:44,241 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 103 transitions, 212 flow [2022-12-06 16:35:44,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 16:35:44,260 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@15100fb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 16:35:44,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 16:35:44,278 INFO L130 PetriNetUnfolder]: 0/59 cut-off events. [2022-12-06 16:35:44,278 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 16:35:44,278 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:35:44,279 INFO L213 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] [2022-12-06 16:35:44,280 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:35:44,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:35:44,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1357841212, now seen corresponding path program 1 times [2022-12-06 16:35:44,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:35:44,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983200420] [2022-12-06 16:35:44,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:35:44,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:35:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:35:44,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:35:44,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:35:44,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983200420] [2022-12-06 16:35:44,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983200420] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:35:44,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:35:44,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 16:35:44,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860151187] [2022-12-06 16:35:44,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:35:44,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 16:35:44,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:35:44,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 16:35:44,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 16:35:44,679 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 105 [2022-12-06 16:35:44,681 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 103 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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) [2022-12-06 16:35:44,681 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:35:44,682 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 105 [2022-12-06 16:35:44,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:35:44,763 INFO L130 PetriNetUnfolder]: 30/293 cut-off events. [2022-12-06 16:35:44,764 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 16:35:44,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 293 events. 30/293 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1196 event pairs, 21 based on Foata normal form. 11/283 useless extension candidates. Maximal degree in co-relation 304. Up to 47 conditions per place. [2022-12-06 16:35:44,767 INFO L137 encePairwiseOnDemand]: 100/105 looper letters, 12 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2022-12-06 16:35:44,767 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 104 transitions, 245 flow [2022-12-06 16:35:44,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 16:35:44,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 16:35:44,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 295 transitions. [2022-12-06 16:35:44,776 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9365079365079365 [2022-12-06 16:35:44,778 INFO L294 CegarLoopForPetriNet]: 108 programPoint places, 0 predicate places. [2022-12-06 16:35:44,778 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 104 transitions, 245 flow [2022-12-06 16:35:44,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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) [2022-12-06 16:35:44,779 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:35:44,779 INFO L213 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] [2022-12-06 16:35:44,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 16:35:44,779 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:35:44,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:35:44,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1476002293, now seen corresponding path program 1 times [2022-12-06 16:35:44,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:35:44,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045365087] [2022-12-06 16:35:44,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:35:44,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:35:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:35:45,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:35:45,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:35:45,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045365087] [2022-12-06 16:35:45,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045365087] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:35:45,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:35:45,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 16:35:45,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32654344] [2022-12-06 16:35:45,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:35:45,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 16:35:45,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:35:45,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 16:35:45,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 16:35:45,126 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 105 [2022-12-06 16:35:45,126 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 104 transitions, 245 flow. Second operand has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 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) [2022-12-06 16:35:45,126 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:35:45,126 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 105 [2022-12-06 16:35:45,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:35:45,478 INFO L130 PetriNetUnfolder]: 174/613 cut-off events. [2022-12-06 16:35:45,478 INFO L131 PetriNetUnfolder]: For 158/246 co-relation queries the response was YES. [2022-12-06 16:35:45,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1148 conditions, 613 events. 174/613 cut-off events. For 158/246 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 3383 event pairs, 62 based on Foata normal form. 1/593 useless extension candidates. Maximal degree in co-relation 1082. Up to 172 conditions per place. [2022-12-06 16:35:45,484 INFO L137 encePairwiseOnDemand]: 99/105 looper letters, 22 selfloop transitions, 2 changer transitions 44/144 dead transitions. [2022-12-06 16:35:45,484 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 144 transitions, 508 flow [2022-12-06 16:35:45,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-06 16:35:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-06 16:35:45,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 817 transitions. [2022-12-06 16:35:45,492 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8645502645502645 [2022-12-06 16:35:45,493 INFO L294 CegarLoopForPetriNet]: 108 programPoint places, 8 predicate places. [2022-12-06 16:35:45,494 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 144 transitions, 508 flow [2022-12-06 16:35:45,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 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) [2022-12-06 16:35:45,494 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:35:45,494 INFO L213 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] [2022-12-06 16:35:45,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 16:35:45,495 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:35:45,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:35:45,495 INFO L85 PathProgramCache]: Analyzing trace with hash 273219926, now seen corresponding path program 1 times [2022-12-06 16:35:45,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:35:45,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324732476] [2022-12-06 16:35:45,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:35:45,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:35:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:35:45,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:35:45,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:35:45,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324732476] [2022-12-06 16:35:45,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324732476] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:35:45,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:35:45,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 16:35:45,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524082034] [2022-12-06 16:35:45,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:35:45,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 16:35:45,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:35:45,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 16:35:45,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-06 16:35:45,758 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 105 [2022-12-06 16:35:45,759 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 144 transitions, 508 flow. Second operand has 7 states, 7 states have (on average 84.71428571428571) internal successors, (593), 7 states have internal predecessors, (593), 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) [2022-12-06 16:35:45,759 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:35:45,759 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 105 [2022-12-06 16:35:45,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:35:46,124 INFO L130 PetriNetUnfolder]: 308/1055 cut-off events. [2022-12-06 16:35:46,125 INFO L131 PetriNetUnfolder]: For 338/643 co-relation queries the response was YES. [2022-12-06 16:35:46,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2482 conditions, 1055 events. 308/1055 cut-off events. For 338/643 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6973 event pairs, 28 based on Foata normal form. 5/1035 useless extension candidates. Maximal degree in co-relation 2411. Up to 283 conditions per place. [2022-12-06 16:35:46,128 INFO L137 encePairwiseOnDemand]: 97/105 looper letters, 19 selfloop transitions, 4 changer transitions 132/229 dead transitions. [2022-12-06 16:35:46,128 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 229 transitions, 1254 flow [2022-12-06 16:35:46,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 16:35:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 16:35:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1157 transitions. [2022-12-06 16:35:46,131 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8476190476190476 [2022-12-06 16:35:46,132 INFO L294 CegarLoopForPetriNet]: 108 programPoint places, 20 predicate places. [2022-12-06 16:35:46,132 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 229 transitions, 1254 flow [2022-12-06 16:35:46,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 84.71428571428571) internal successors, (593), 7 states have internal predecessors, (593), 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) [2022-12-06 16:35:46,132 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:35:46,133 INFO L213 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] [2022-12-06 16:35:46,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 16:35:46,133 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:35:46,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:35:46,134 INFO L85 PathProgramCache]: Analyzing trace with hash -596525744, now seen corresponding path program 1 times [2022-12-06 16:35:46,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:35:46,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086704390] [2022-12-06 16:35:46,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:35:46,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:35:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:35:46,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:35:46,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:35:46,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086704390] [2022-12-06 16:35:46,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086704390] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:35:46,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:35:46,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 16:35:46,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893206240] [2022-12-06 16:35:46,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:35:46,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 16:35:46,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:35:46,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 16:35:46,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 16:35:46,387 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 105 [2022-12-06 16:35:46,388 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 229 transitions, 1254 flow. Second operand has 6 states, 6 states have (on average 85.0) internal successors, (510), 6 states have internal predecessors, (510), 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) [2022-12-06 16:35:46,388 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:35:46,388 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 105 [2022-12-06 16:35:46,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:35:46,692 INFO L130 PetriNetUnfolder]: 401/1139 cut-off events. [2022-12-06 16:35:46,692 INFO L131 PetriNetUnfolder]: For 1517/1614 co-relation queries the response was YES. [2022-12-06 16:35:46,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3079 conditions, 1139 events. 401/1139 cut-off events. For 1517/1614 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 6942 event pairs, 17 based on Foata normal form. 22/1137 useless extension candidates. Maximal degree in co-relation 3004. Up to 385 conditions per place. [2022-12-06 16:35:46,696 INFO L137 encePairwiseOnDemand]: 96/105 looper letters, 27 selfloop transitions, 5 changer transitions 136/249 dead transitions. [2022-12-06 16:35:46,696 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 249 transitions, 1599 flow [2022-12-06 16:35:46,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-06 16:35:46,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-06 16:35:46,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 902 transitions. [2022-12-06 16:35:46,699 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8590476190476191 [2022-12-06 16:35:46,700 INFO L294 CegarLoopForPetriNet]: 108 programPoint places, 29 predicate places. [2022-12-06 16:35:46,700 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 249 transitions, 1599 flow [2022-12-06 16:35:46,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 85.0) internal successors, (510), 6 states have internal predecessors, (510), 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) [2022-12-06 16:35:46,701 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:35:46,701 INFO L213 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] [2022-12-06 16:35:46,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 16:35:46,702 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:35:46,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:35:46,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1166563521, now seen corresponding path program 1 times [2022-12-06 16:35:46,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:35:46,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834676312] [2022-12-06 16:35:46,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:35:46,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:35:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:35:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:35:46,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:35:46,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834676312] [2022-12-06 16:35:46,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834676312] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:35:46,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:35:46,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 16:35:46,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943798665] [2022-12-06 16:35:46,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:35:46,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 16:35:46,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:35:46,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 16:35:46,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-06 16:35:46,949 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 105 [2022-12-06 16:35:46,950 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 249 transitions, 1599 flow. Second operand has 7 states, 7 states have (on average 85.0) internal successors, (595), 7 states have internal predecessors, (595), 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) [2022-12-06 16:35:46,950 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:35:46,950 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 105 [2022-12-06 16:35:46,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:35:47,316 INFO L130 PetriNetUnfolder]: 316/852 cut-off events. [2022-12-06 16:35:47,316 INFO L131 PetriNetUnfolder]: For 1438/1585 co-relation queries the response was YES. [2022-12-06 16:35:47,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2862 conditions, 852 events. 316/852 cut-off events. For 1438/1585 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4962 event pairs, 17 based on Foata normal form. 36/880 useless extension candidates. Maximal degree in co-relation 2783. Up to 255 conditions per place. [2022-12-06 16:35:47,318 INFO L137 encePairwiseOnDemand]: 96/105 looper letters, 17 selfloop transitions, 7 changer transitions 139/236 dead transitions. [2022-12-06 16:35:47,319 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 236 transitions, 1745 flow [2022-12-06 16:35:47,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 16:35:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 16:35:47,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1144 transitions. [2022-12-06 16:35:47,321 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8380952380952381 [2022-12-06 16:35:47,321 INFO L294 CegarLoopForPetriNet]: 108 programPoint places, 29 predicate places. [2022-12-06 16:35:47,322 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 236 transitions, 1745 flow [2022-12-06 16:35:47,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 85.0) internal successors, (595), 7 states have internal predecessors, (595), 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) [2022-12-06 16:35:47,322 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:35:47,322 INFO L213 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] [2022-12-06 16:35:47,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 16:35:47,323 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:35:47,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:35:47,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1774790442, now seen corresponding path program 1 times [2022-12-06 16:35:47,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:35:47,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838130747] [2022-12-06 16:35:47,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:35:47,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:35:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 16:35:47,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 16:35:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 16:35:47,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 16:35:47,468 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 16:35:47,469 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-06 16:35:47,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-06 16:35:47,471 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-06 16:35:47,471 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-06 16:35:47,471 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-06 16:35:47,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 16:35:47,471 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-06 16:35:47,476 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 16:35:47,476 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 16:35:47,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:35:47 BasicIcfg [2022-12-06 16:35:47,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 16:35:47,566 INFO L158 Benchmark]: Toolchain (without parser) took 4946.74ms. Allocated memory was 201.3MB in the beginning and 356.5MB in the end (delta: 155.2MB). Free memory was 166.7MB in the beginning and 233.2MB in the end (delta: -66.5MB). Peak memory consumption was 89.7MB. Max. memory is 8.0GB. [2022-12-06 16:35:47,566 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory is still 178.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 16:35:47,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.58ms. Allocated memory is still 201.3MB. Free memory was 166.7MB in the beginning and 141.0MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-12-06 16:35:47,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.31ms. Allocated memory is still 201.3MB. Free memory was 141.0MB in the beginning and 138.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 16:35:47,567 INFO L158 Benchmark]: Boogie Preprocessor took 37.87ms. Allocated memory is still 201.3MB. Free memory was 138.4MB in the beginning and 136.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 16:35:47,567 INFO L158 Benchmark]: RCFGBuilder took 915.67ms. Allocated memory is still 201.3MB. Free memory was 136.3MB in the beginning and 67.6MB in the end (delta: 68.7MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. [2022-12-06 16:35:47,567 INFO L158 Benchmark]: TraceAbstraction took 3469.52ms. Allocated memory was 201.3MB in the beginning and 356.5MB in the end (delta: 155.2MB). Free memory was 175.3MB in the beginning and 233.2MB in the end (delta: -57.9MB). Peak memory consumption was 97.3MB. Max. memory is 8.0GB. [2022-12-06 16:35:47,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory is still 178.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 464.58ms. Allocated memory is still 201.3MB. Free memory was 166.7MB in the beginning and 141.0MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.31ms. Allocated memory is still 201.3MB. Free memory was 141.0MB in the beginning and 138.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.87ms. Allocated memory is still 201.3MB. Free memory was 138.4MB in the beginning and 136.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 915.67ms. Allocated memory is still 201.3MB. Free memory was 136.3MB in the beginning and 67.6MB in the end (delta: 68.7MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. * TraceAbstraction took 3469.52ms. Allocated memory was 201.3MB in the beginning and 356.5MB in the end (delta: 155.2MB). Free memory was 175.3MB in the beginning and 233.2MB in the end (delta: -57.9MB). Peak memory consumption was 97.3MB. Max. memory is 8.0GB. * 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: [L708] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L710] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L712] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L713] 0 _Bool __unbuffered_p1_EAX$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0] [L714] 0 int __unbuffered_p1_EAX$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0] [L715] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0] [L716] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0] [L717] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0] [L718] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0] [L719] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0] [L720] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0] [L721] 0 _Bool __unbuffered_p1_EAX$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0] [L722] 0 int *__unbuffered_p1_EAX$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}] [L723] 0 int __unbuffered_p1_EAX$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0] [L724] 0 _Bool __unbuffered_p1_EAX$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0] [L725] 0 int __unbuffered_p1_EAX$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0] [L726] 0 _Bool __unbuffered_p1_EAX$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0] [L727] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0] [L728] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0] [L730] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}] [L731] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0] [L732] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0] [L733] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L734] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L735] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L736] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0] [L737] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L738] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L739] 0 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0] [L740] 0 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L741] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L742] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L743] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L744] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L746] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L747] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L748] 0 _Bool weak$$choice1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L749] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L825] 0 pthread_t t1923; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t1923={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L826] FCALL, FORK 0 pthread_create(&t1923, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1923, ((void *)0), P0, ((void *)0))=1, t1923={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L827] 0 pthread_t t1924; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t1923={5:0}, t1924={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L828] FCALL, FORK 0 pthread_create(&t1924, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1924, ((void *)0), P1, ((void *)0))=2, t1923={5:0}, t1924={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L781] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L782] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L783] 2 x$flush_delayed = weak$$choice2 [L784] EXPR 2 \read(x) [L784] 2 x$mem_tmp = x [L785] 2 weak$$choice1 = __VERIFIER_nondet_bool() [L786] EXPR 2 !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L786] EXPR 2 \read(x) [L786] EXPR 2 !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L786] 2 x = !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L787] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)))) [L788] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)))) [L789] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : weak$$choice0)))) [L790] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L791] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L792] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L793] 2 __unbuffered_p1_EAX$read_delayed = (_Bool)1 [L794] 2 __unbuffered_p1_EAX$read_delayed_var = &x [L795] EXPR 2 \read(x) [L795] 2 __unbuffered_p1_EAX = x [L796] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L796] EXPR 2 \read(x) [L796] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L796] 2 x = x$flush_delayed ? x$mem_tmp : x [L797] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L800] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L803] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L803] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L803] EXPR 2 \read(x) [L803] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L803] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L803] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L804] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L805] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L806] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L807] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L753] 1 __unbuffered_p0_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L756] 1 x$w_buff1 = x$w_buff0 [L757] 1 x$w_buff0 = 1 [L758] 1 x$w_buff1_used = x$w_buff0_used [L759] 1 x$w_buff0_used = (_Bool)1 [L760] CALL 1 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L760] RET 1 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L761] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L762] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L763] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L764] 1 x$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L767] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L767] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L768] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L769] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L770] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L771] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L774] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L810] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L830] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1923={5:0}, t1924={7:0}, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L832] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L832] RET 0 assume_abort_if_not(main$tmp_guard0) [L834] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L834] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L834] EXPR 0 \read(x) [L834] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L834] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L834] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L835] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L836] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L837] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L838] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1923={5:0}, t1924={7:0}, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L841] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L842] EXPR 0 __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L842] EXPR 0 weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX [L842] EXPR 0 \read(*__unbuffered_p1_EAX$read_delayed_var) [L842] EXPR 0 weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX [L842] EXPR 0 __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L842] 0 __unbuffered_p1_EAX = __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L843] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 1) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1923={5:0}, t1924={7:0}, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L845] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=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={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 826]: 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: 828]: 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 5 procedures, 123 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 280 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 280 mSDsluCounter, 117 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 448 IncrementalHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 26 mSDtfsCounter, 448 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1745occurred in iteration=5, InterpolantAutomatonStates: 48, 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 461 NumberOfCodeBlocks, 461 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 370 ConstructedInterpolants, 0 QuantifiedInterpolants, 938 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2022-12-06 16:35:47,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...