./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/thin002_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_power.opt.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-16 19:47:53,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-16 19:47:53,484 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-16 19:47:53,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-16 19:47:53,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-16 19:47:53,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-16 19:47:53,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-16 19:47:53,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-16 19:47:53,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-16 19:47:53,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-16 19:47:53,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-16 19:47:53,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-16 19:47:53,504 INFO L153 SettingsManager]: * Use SBE=true [2024-07-16 19:47:53,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-16 19:47:53,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-16 19:47:53,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-16 19:47:53,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-16 19:47:53,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-16 19:47:53,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-16 19:47:53,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-16 19:47:53,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-16 19:47:53,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-16 19:47:53,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-16 19:47:53,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-16 19:47:53,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-16 19:47:53,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-16 19:47:53,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-16 19:47:53,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-16 19:47:53,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-16 19:47:53,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-16 19:47:53,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-16 19:47:53,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-16 19:47:53,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-16 19:47:53,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-16 19:47:53,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-16 19:47:53,523 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-16 19:47:53,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-16 19:47:53,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-16 19:47:53,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-16 19:47:53,523 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-16 19:47:53,524 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-16 19:47:53,524 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-16 19:47:53,524 INFO L153 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/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 [2024-07-16 19:47:53,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-16 19:47:53,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-16 19:47:53,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-16 19:47:53,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-16 19:47:53,958 INFO L274 PluginConnector]: CDTParser initialized [2024-07-16 19:47:53,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_power.opt.i [2024-07-16 19:47:55,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-16 19:47:55,391 INFO L384 CDTParser]: Found 1 translation units. [2024-07-16 19:47:55,400 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_power.opt.i [2024-07-16 19:47:55,415 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2458b20dc/32178e54713b4e12b0c11d70b7a0e74c/FLAG78bedb291 [2024-07-16 19:47:55,428 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2458b20dc/32178e54713b4e12b0c11d70b7a0e74c [2024-07-16 19:47:55,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-16 19:47:55,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-16 19:47:55,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-16 19:47:55,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-16 19:47:55,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-16 19:47:55,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.07 07:47:55" (1/1) ... [2024-07-16 19:47:55,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ff8484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:47:55, skipping insertion in model container [2024-07-16 19:47:55,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.07 07:47:55" (1/1) ... [2024-07-16 19:47:55,476 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-16 19:47:55,651 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_power.opt.i[951,964] [2024-07-16 19:47:55,861 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-16 19:47:55,875 INFO L202 MainTranslator]: Completed pre-run [2024-07-16 19:47:55,885 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_power.opt.i[951,964] [2024-07-16 19:47:55,947 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-16 19:47:56,003 INFO L206 MainTranslator]: Completed translation [2024-07-16 19:47:56,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:47:56 WrapperNode [2024-07-16 19:47:56,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-16 19:47:56,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-16 19:47:56,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-16 19:47:56,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-16 19:47:56,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:47:56" (1/1) ... [2024-07-16 19:47:56,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:47:56" (1/1) ... [2024-07-16 19:47:56,048 INFO L138 Inliner]: procedures = 176, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 184 [2024-07-16 19:47:56,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-16 19:47:56,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-16 19:47:56,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-16 19:47:56,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-16 19:47:56,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:47:56" (1/1) ... [2024-07-16 19:47:56,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:47:56" (1/1) ... [2024-07-16 19:47:56,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:47:56" (1/1) ... [2024-07-16 19:47:56,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:47:56" (1/1) ... [2024-07-16 19:47:56,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:47:56" (1/1) ... [2024-07-16 19:47:56,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:47:56" (1/1) ... [2024-07-16 19:47:56,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:47:56" (1/1) ... [2024-07-16 19:47:56,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:47:56" (1/1) ... [2024-07-16 19:47:56,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-16 19:47:56,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-16 19:47:56,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-16 19:47:56,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-16 19:47:56,093 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:47:56" (1/1) ... [2024-07-16 19:47:56,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-16 19:47:56,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:47:56,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-16 19:47:56,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-16 19:47:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-16 19:47:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-16 19:47:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-16 19:47:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-16 19:47:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-07-16 19:47:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-07-16 19:47:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-07-16 19:47:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-07-16 19:47:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-07-16 19:47:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-07-16 19:47:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-07-16 19:47:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-07-16 19:47:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-16 19:47:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-16 19:47:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-16 19:47:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-16 19:47:56,188 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-16 19:47:56,331 INFO L244 CfgBuilder]: Building ICFG [2024-07-16 19:47:56,333 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-16 19:47:56,664 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-16 19:47:56,664 INFO L293 CfgBuilder]: Performing block encoding [2024-07-16 19:47:56,911 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-16 19:47:56,912 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-16 19:47:56,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.07 07:47:56 BoogieIcfgContainer [2024-07-16 19:47:56,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-16 19:47:56,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-16 19:47:56,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-16 19:47:56,916 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-16 19:47:56,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.07 07:47:55" (1/3) ... [2024-07-16 19:47:56,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c36aca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.07 07:47:56, skipping insertion in model container [2024-07-16 19:47:56,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:47:56" (2/3) ... [2024-07-16 19:47:56,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c36aca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.07 07:47:56, skipping insertion in model container [2024-07-16 19:47:56,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.07 07:47:56" (3/3) ... [2024-07-16 19:47:56,918 INFO L112 eAbstractionObserver]: Analyzing ICFG thin002_power.opt.i [2024-07-16 19:47:56,925 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-16 19:47:56,933 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-16 19:47:56,933 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-07-16 19:47:56,933 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-16 19:47:57,044 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-07-16 19:47:57,084 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-16 19:47:57,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-16 19:47:57,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:47:57,086 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-16 19:47:57,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-16 19:47:57,126 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-16 19:47:57,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork2 ======== [2024-07-16 19:47:57,142 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@37b22032, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-16 19:47:57,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-07-16 19:47:57,340 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-16 19:47:57,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:47:57,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1313622466, now seen corresponding path program 1 times [2024-07-16 19:47:57,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:47:57,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573069478] [2024-07-16 19:47:57,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:47:57,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:47:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:47:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 19:47:57,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:47:57,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573069478] [2024-07-16 19:47:57,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573069478] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-16 19:47:57,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-16 19:47:57,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-16 19:47:57,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010140146] [2024-07-16 19:47:57,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 19:47:57,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-16 19:47:57,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:47:57,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-16 19:47:57,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-16 19:47:57,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:47:57,834 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:47:57,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-07-16 19:47:57,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:47:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 19:47:59,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-07-16 19:47:59,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-16 19:47:59,326 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-07-16 19:47:59,329 INFO L308 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork2 was SAFE (1/2) [2024-07-16 19:47:59,333 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-16 19:47:59,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-16 19:47:59,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:47:59,408 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-16 19:47:59,436 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-16 19:47:59,437 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-16 19:47:59,437 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@37b22032, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-16 19:47:59,437 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-07-16 19:47:59,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-07-16 19:47:59,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-16 19:47:59,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:47:59,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1143342371, now seen corresponding path program 1 times [2024-07-16 19:47:59,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:47:59,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273395407] [2024-07-16 19:47:59,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:47:59,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:47:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:47:59,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 19:47:59,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:47:59,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273395407] [2024-07-16 19:47:59,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273395407] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-16 19:47:59,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-16 19:47:59,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-16 19:47:59,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036063505] [2024-07-16 19:47:59,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 19:47:59,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-16 19:47:59,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:47:59,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-16 19:47:59,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-16 19:47:59,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:47:59,822 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:47:59,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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) [2024-07-16 19:47:59,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:47:59,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 19:47:59,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-16 19:47:59,913 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-16 19:47:59,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:47:59,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1756532817, now seen corresponding path program 1 times [2024-07-16 19:47:59,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:47:59,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200190607] [2024-07-16 19:47:59,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:47:59,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:47:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:48:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 19:48:00,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:48:00,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200190607] [2024-07-16 19:48:00,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200190607] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-16 19:48:00,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-16 19:48:00,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-16 19:48:00,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958472776] [2024-07-16 19:48:00,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 19:48:00,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-16 19:48:00,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:48:00,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-16 19:48:00,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-07-16 19:48:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:48:00,228 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:48:00,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-07-16 19:48:00,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 19:48:00,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:48:00,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 19:48:00,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:48:00,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-16 19:48:00,344 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-16 19:48:00,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:48:00,346 INFO L85 PathProgramCache]: Analyzing trace with hash -533862833, now seen corresponding path program 1 times [2024-07-16 19:48:00,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:48:00,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103164191] [2024-07-16 19:48:00,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:48:00,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:48:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:48:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 19:48:00,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:48:00,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103164191] [2024-07-16 19:48:00,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103164191] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-16 19:48:00,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-16 19:48:00,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-16 19:48:00,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487874209] [2024-07-16 19:48:00,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 19:48:00,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-16 19:48:00,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:48:00,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-16 19:48:00,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-16 19:48:00,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:48:00,661 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:48:00,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-07-16 19:48:00,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 19:48:00,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:48:00,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:48:01,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 19:48:01,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:48:01,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:48:01,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-16 19:48:01,338 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-16 19:48:01,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:48:01,338 INFO L85 PathProgramCache]: Analyzing trace with hash -430067361, now seen corresponding path program 2 times [2024-07-16 19:48:01,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:48:01,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915848718] [2024-07-16 19:48:01,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:48:01,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:48:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:48:01,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 19:48:01,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:48:01,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915848718] [2024-07-16 19:48:01,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915848718] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-16 19:48:01,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-16 19:48:01,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-16 19:48:01,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469998328] [2024-07-16 19:48:01,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 19:48:01,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-16 19:48:01,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:48:01,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-16 19:48:01,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-16 19:48:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:48:01,558 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:48:01,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-07-16 19:48:01,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 19:48:01,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:48:01,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:48:01,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:48:02,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 19:48:02,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:48:02,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:48:02,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:48:02,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-16 19:48:02,043 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-16 19:48:02,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:48:02,043 INFO L85 PathProgramCache]: Analyzing trace with hash -630936843, now seen corresponding path program 3 times [2024-07-16 19:48:02,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:48:02,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279593747] [2024-07-16 19:48:02,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:48:02,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:48:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-07-16 19:48:02,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-07-16 19:48:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-07-16 19:48:02,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-07-16 19:48:02,140 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-07-16 19:48:02,140 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-07-16 19:48:02,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-07-16 19:48:02,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-07-16 19:48:02,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-07-16 19:48:02,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-07-16 19:48:02,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-07-16 19:48:02,142 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-07-16 19:48:02,142 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2024-07-16 19:48:02,145 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-16 19:48:02,145 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-16 19:48:02,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.07 07:48:02 BasicIcfg [2024-07-16 19:48:02,234 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-16 19:48:02,235 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-16 19:48:02,235 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-16 19:48:02,235 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-16 19:48:02,236 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.07 07:47:56" (3/4) ... [2024-07-16 19:48:02,236 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2024-07-16 19:48:02,312 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-07-16 19:48:02,313 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-16 19:48:02,313 INFO L158 Benchmark]: Toolchain (without parser) took 6881.39ms. Allocated memory was 184.5MB in the beginning and 362.8MB in the end (delta: 178.3MB). Free memory was 136.5MB in the beginning and 174.6MB in the end (delta: -38.2MB). Peak memory consumption was 139.8MB. Max. memory is 16.1GB. [2024-07-16 19:48:02,313 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-16 19:48:02,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.73ms. Allocated memory is still 184.5MB. Free memory was 136.2MB in the beginning and 109.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-07-16 19:48:02,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.74ms. Allocated memory is still 184.5MB. Free memory was 109.5MB in the beginning and 106.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-16 19:48:02,314 INFO L158 Benchmark]: Boogie Preprocessor took 37.84ms. Allocated memory is still 184.5MB. Free memory was 106.9MB in the beginning and 104.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-16 19:48:02,314 INFO L158 Benchmark]: RCFGBuilder took 820.49ms. Allocated memory is still 184.5MB. Free memory was 104.4MB in the beginning and 62.5MB in the end (delta: 41.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-07-16 19:48:02,314 INFO L158 Benchmark]: TraceAbstraction took 5320.78ms. Allocated memory was 184.5MB in the beginning and 362.8MB in the end (delta: 178.3MB). Free memory was 61.3MB in the beginning and 206.1MB in the end (delta: -144.8MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2024-07-16 19:48:02,315 INFO L158 Benchmark]: Witness Printer took 77.86ms. Allocated memory is still 362.8MB. Free memory was 206.1MB in the beginning and 174.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-07-16 19:48:02,316 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.73ms. Allocated memory is still 184.5MB. Free memory was 136.2MB in the beginning and 109.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.74ms. Allocated memory is still 184.5MB. Free memory was 109.5MB in the beginning and 106.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.84ms. Allocated memory is still 184.5MB. Free memory was 106.9MB in the beginning and 104.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 820.49ms. Allocated memory is still 184.5MB. Free memory was 104.4MB in the beginning and 62.5MB in the end (delta: 41.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5320.78ms. Allocated memory was 184.5MB in the beginning and 362.8MB in the end (delta: 178.3MB). Free memory was 61.3MB in the beginning and 206.1MB in the end (delta: -144.8MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Witness Printer took 77.86ms. Allocated memory is still 362.8MB. Free memory was 206.1MB in the beginning and 174.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43417, independent: 41283, independent conditional: 40042, independent unconditional: 1241, dependent: 2134, dependent conditional: 2097, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43352, independent: 41283, independent conditional: 40042, independent unconditional: 1241, dependent: 2069, dependent conditional: 2032, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 43352, independent: 41283, independent conditional: 40042, independent unconditional: 1241, dependent: 2069, dependent conditional: 2032, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45843, independent: 41283, independent conditional: 459, independent unconditional: 40824, dependent: 4560, dependent conditional: 2032, dependent unconditional: 2528, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45843, independent: 41283, independent conditional: 459, independent unconditional: 40824, dependent: 4560, dependent conditional: 571, dependent unconditional: 3989, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45843, independent: 41283, independent conditional: 459, independent unconditional: 40824, dependent: 4560, dependent conditional: 571, dependent unconditional: 3989, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1292, independent: 1246, independent conditional: 5, independent unconditional: 1241, dependent: 46, dependent conditional: 6, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1292, independent: 1229, independent conditional: 0, independent unconditional: 1229, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 17, independent conditional: 5, independent unconditional: 12, dependent: 46, dependent conditional: 6, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 17, independent conditional: 5, independent unconditional: 12, dependent: 46, dependent conditional: 6, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 687, independent: 167, independent conditional: 107, independent unconditional: 60, dependent: 520, dependent conditional: 108, dependent unconditional: 413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 45843, independent: 40037, independent conditional: 454, independent unconditional: 39583, dependent: 4514, dependent conditional: 565, dependent unconditional: 3949, unknown: 1292, unknown conditional: 11, unknown unconditional: 1281] , Statistics on independence cache: Total cache size (in pairs): 1292, Positive cache size: 1246, Positive conditional cache size: 5, Positive unconditional cache size: 1241, Negative cache size: 46, Negative conditional cache size: 6, Negative unconditional cache size: 40, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1461, Maximal queried relation: 1, Independence queries for same thread: 65 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.8s, Number of persistent set computation: 4309, Number of trivial persistent sets: 1482, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1278, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43417, independent: 41283, independent conditional: 40042, independent unconditional: 1241, dependent: 2134, dependent conditional: 2097, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43352, independent: 41283, independent conditional: 40042, independent unconditional: 1241, dependent: 2069, dependent conditional: 2032, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 43352, independent: 41283, independent conditional: 40042, independent unconditional: 1241, dependent: 2069, dependent conditional: 2032, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45843, independent: 41283, independent conditional: 459, independent unconditional: 40824, dependent: 4560, dependent conditional: 2032, dependent unconditional: 2528, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45843, independent: 41283, independent conditional: 459, independent unconditional: 40824, dependent: 4560, dependent conditional: 571, dependent unconditional: 3989, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45843, independent: 41283, independent conditional: 459, independent unconditional: 40824, dependent: 4560, dependent conditional: 571, dependent unconditional: 3989, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1292, independent: 1246, independent conditional: 5, independent unconditional: 1241, dependent: 46, dependent conditional: 6, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1292, independent: 1229, independent conditional: 0, independent unconditional: 1229, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 17, independent conditional: 5, independent unconditional: 12, dependent: 46, dependent conditional: 6, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 17, independent conditional: 5, independent unconditional: 12, dependent: 46, dependent conditional: 6, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 687, independent: 167, independent conditional: 107, independent unconditional: 60, dependent: 520, dependent conditional: 108, dependent unconditional: 413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 45843, independent: 40037, independent conditional: 454, independent unconditional: 39583, dependent: 4514, dependent conditional: 565, dependent unconditional: 3949, unknown: 1292, unknown conditional: 11, unknown unconditional: 1281] , Statistics on independence cache: Total cache size (in pairs): 1292, Positive cache size: 1246, Positive conditional cache size: 5, Positive unconditional cache size: 1241, Negative cache size: 46, Negative conditional cache size: 6, Negative unconditional cache size: 40, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1461, Maximal queried relation: 1, Independence queries for same thread: 65 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43248, independent: 42469, independent conditional: 41349, independent unconditional: 1120, dependent: 779, dependent conditional: 746, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43146, independent: 42469, independent conditional: 41349, independent unconditional: 1120, dependent: 677, dependent conditional: 644, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 43146, independent: 42469, independent conditional: 41349, independent unconditional: 1120, dependent: 677, dependent conditional: 644, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48358, independent: 42469, independent conditional: 1394, independent unconditional: 41075, dependent: 5889, dependent conditional: 3818, dependent unconditional: 2071, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 48358, independent: 42469, independent conditional: 1394, independent unconditional: 41075, dependent: 5889, dependent conditional: 283, dependent unconditional: 5606, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48358, independent: 42469, independent conditional: 1394, independent unconditional: 41075, dependent: 5889, dependent conditional: 283, dependent unconditional: 5606, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1184, independent: 1143, independent conditional: 23, independent unconditional: 1120, dependent: 41, dependent conditional: 6, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1184, independent: 1105, independent conditional: 0, independent unconditional: 1105, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 79, independent: 38, independent conditional: 23, independent unconditional: 15, dependent: 41, dependent conditional: 6, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 79, independent: 38, independent conditional: 23, independent unconditional: 15, dependent: 41, dependent conditional: 6, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 403, independent: 91, independent conditional: 47, independent unconditional: 44, dependent: 312, dependent conditional: 24, dependent unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 48358, independent: 41326, independent conditional: 1371, independent unconditional: 39955, dependent: 5848, dependent conditional: 277, dependent unconditional: 5571, unknown: 1184, unknown conditional: 29, unknown unconditional: 1155] , Statistics on independence cache: Total cache size (in pairs): 1184, Positive cache size: 1143, Positive conditional cache size: 23, Positive unconditional cache size: 1120, Negative cache size: 41, Negative conditional cache size: 6, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3535, Maximal queried relation: 4, Independence queries for same thread: 102 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 3482, Number of trivial persistent sets: 1805, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1153, independent: 1120, independent conditional: 0, independent unconditional: 1120, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43248, independent: 42469, independent conditional: 41349, independent unconditional: 1120, dependent: 779, dependent conditional: 746, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43146, independent: 42469, independent conditional: 41349, independent unconditional: 1120, dependent: 677, dependent conditional: 644, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 43146, independent: 42469, independent conditional: 41349, independent unconditional: 1120, dependent: 677, dependent conditional: 644, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48358, independent: 42469, independent conditional: 1394, independent unconditional: 41075, dependent: 5889, dependent conditional: 3818, dependent unconditional: 2071, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 48358, independent: 42469, independent conditional: 1394, independent unconditional: 41075, dependent: 5889, dependent conditional: 283, dependent unconditional: 5606, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48358, independent: 42469, independent conditional: 1394, independent unconditional: 41075, dependent: 5889, dependent conditional: 283, dependent unconditional: 5606, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1184, independent: 1143, independent conditional: 23, independent unconditional: 1120, dependent: 41, dependent conditional: 6, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1184, independent: 1105, independent conditional: 0, independent unconditional: 1105, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 79, independent: 38, independent conditional: 23, independent unconditional: 15, dependent: 41, dependent conditional: 6, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 79, independent: 38, independent conditional: 23, independent unconditional: 15, dependent: 41, dependent conditional: 6, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 403, independent: 91, independent conditional: 47, independent unconditional: 44, dependent: 312, dependent conditional: 24, dependent unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 48358, independent: 41326, independent conditional: 1371, independent unconditional: 39955, dependent: 5848, dependent conditional: 277, dependent unconditional: 5571, unknown: 1184, unknown conditional: 29, unknown unconditional: 1155] , Statistics on independence cache: Total cache size (in pairs): 1184, Positive cache size: 1143, Positive conditional cache size: 23, Positive unconditional cache size: 1120, Negative cache size: 41, Negative conditional cache size: 6, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3535, Maximal queried relation: 4, Independence queries for same thread: 102 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L719] 0 _Bool __unbuffered_p3_EAX$flush_delayed; [L720] 0 int __unbuffered_p3_EAX$mem_tmp; [L721] 0 _Bool __unbuffered_p3_EAX$r_buff0_thd0; [L722] 0 _Bool __unbuffered_p3_EAX$r_buff0_thd1; [L723] 0 _Bool __unbuffered_p3_EAX$r_buff0_thd2; [L724] 0 _Bool __unbuffered_p3_EAX$r_buff0_thd3; [L725] 0 _Bool __unbuffered_p3_EAX$r_buff0_thd4; [L726] 0 _Bool __unbuffered_p3_EAX$r_buff1_thd0; [L727] 0 _Bool __unbuffered_p3_EAX$r_buff1_thd1; [L728] 0 _Bool __unbuffered_p3_EAX$r_buff1_thd2; [L729] 0 _Bool __unbuffered_p3_EAX$r_buff1_thd3; [L730] 0 _Bool __unbuffered_p3_EAX$r_buff1_thd4; [L731] 0 _Bool __unbuffered_p3_EAX$read_delayed; [L732] 0 int *__unbuffered_p3_EAX$read_delayed_var; [L733] 0 int __unbuffered_p3_EAX$w_buff0; [L734] 0 _Bool __unbuffered_p3_EAX$w_buff0_used; [L735] 0 int __unbuffered_p3_EAX$w_buff1; [L736] 0 _Bool __unbuffered_p3_EAX$w_buff1_used; [L738] 0 int a = 0; [L739] 0 _Bool main$tmp_guard0; [L740] 0 _Bool main$tmp_guard1; [L742] 0 int x = 0; [L744] 0 int y = 0; [L746] 0 int z = 0; [L747] 0 _Bool z$flush_delayed; [L748] 0 int z$mem_tmp; [L749] 0 _Bool z$r_buff0_thd0; [L750] 0 _Bool z$r_buff0_thd1; [L751] 0 _Bool z$r_buff0_thd2; [L752] 0 _Bool z$r_buff0_thd3; [L753] 0 _Bool z$r_buff0_thd4; [L754] 0 _Bool z$r_buff1_thd0; [L755] 0 _Bool z$r_buff1_thd1; [L756] 0 _Bool z$r_buff1_thd2; [L757] 0 _Bool z$r_buff1_thd3; [L758] 0 _Bool z$r_buff1_thd4; [L759] 0 _Bool z$read_delayed; [L760] 0 int *z$read_delayed_var; [L761] 0 int z$w_buff0; [L762] 0 _Bool z$w_buff0_used; [L763] 0 int z$w_buff1; [L764] 0 _Bool z$w_buff1_used; [L765] 0 _Bool weak$$choice0; [L766] 0 _Bool weak$$choice1; [L767] 0 _Bool weak$$choice2; [L875] 0 pthread_t t2709; [L876] FCALL, FORK 0 pthread_create(&t2709, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t2709=-2, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L877] 0 pthread_t t2710; [L878] FCALL, FORK 0 pthread_create(&t2710, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t2709=-2, t2710=-1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L879] 0 pthread_t t2711; [L880] FCALL, FORK 0 pthread_create(&t2711, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2709=-2, t2710=-1, t2711=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L881] 0 pthread_t t2712; [L882] FCALL, FORK 0 pthread_create(&t2712, ((void *)0), P3, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=0, __unbuffered_p3_EAX$read_delayed_var={0:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2709=-2, t2710=-1, t2711=0, t2712=1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L831] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 4 z$flush_delayed = weak$$choice2 [L834] EXPR 4 \read(z) [L834] 4 z$mem_tmp = z [L835] 4 weak$$choice1 = __VERIFIER_nondet_bool() [L836] EXPR 4 !z$w_buff0_used ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z : (weak$$choice1 ? z$w_buff0 : z$w_buff1)) : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z$w_buff1 : z$w_buff0) : (weak$$choice0 ? z$w_buff0 : z)))) [L836] EXPR 4 \read(z) [L836] EXPR 4 !z$w_buff0_used ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z : (weak$$choice1 ? z$w_buff0 : z$w_buff1)) : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z$w_buff1 : z$w_buff0) : (weak$$choice0 ? z$w_buff0 : z)))) [L836] 4 z = !z$w_buff0_used ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z : (weak$$choice1 ? z$w_buff0 : z$w_buff1)) : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z$w_buff1 : z$w_buff0) : (weak$$choice0 ? z$w_buff0 : z)))) [L837] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)))) [L838] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)))) [L839] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 || !weak$$choice1 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 : weak$$choice0)))) [L840] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? weak$$choice0 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)))) [L841] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)))) [L842] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (z$w_buff0_used && !z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (weak$$choice0 ? z$r_buff1_thd4 : (_Bool)0) : (z$w_buff0_used && z$r_buff1_thd4 && z$w_buff1_used && !z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)))) [L843] 4 __unbuffered_p3_EAX$read_delayed = (_Bool)1 [L844] 4 __unbuffered_p3_EAX$read_delayed_var = &z [L845] EXPR 4 \read(z) [L845] 4 __unbuffered_p3_EAX = z [L846] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L846] EXPR 4 \read(z) [L846] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L846] 4 z = z$flush_delayed ? z$mem_tmp : z [L847] 4 z$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L850] 4 a = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L853] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L853] EXPR 4 z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z [L853] EXPR 4 \read(z) [L853] EXPR 4 z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z [L853] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L853] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L854] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L855] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L856] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L857] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L860] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L862] 4 return 0; [L771] 1 __unbuffered_p0_EAX = a VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L774] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L786] 2 __unbuffered_p1_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L789] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L794] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L796] 2 return 0; [L801] 3 __unbuffered_p2_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L804] 3 z$w_buff1 = z$w_buff0 [L805] 3 z$w_buff0 = 1 [L806] 3 z$w_buff1_used = z$w_buff0_used [L807] 3 z$w_buff0_used = (_Bool)1 [L808] CALL 3 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L808] RET 3 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L809] 3 z$r_buff1_thd0 = z$r_buff0_thd0 [L810] 3 z$r_buff1_thd1 = z$r_buff0_thd1 [L811] 3 z$r_buff1_thd2 = z$r_buff0_thd2 [L812] 3 z$r_buff1_thd3 = z$r_buff0_thd3 [L813] 3 z$r_buff1_thd4 = z$r_buff0_thd4 [L814] 3 z$r_buff0_thd3 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L817] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L817] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L818] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L819] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L820] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L821] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L824] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L826] 3 return 0; [L779] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L884] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2709=-2, t2710=-1, t2711=0, t2712=1, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L886] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L886] RET 0 assume_abort_if_not(main$tmp_guard0) [L888] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L888] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L888] EXPR 0 \read(z) [L888] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L888] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L888] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L889] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L890] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L891] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L892] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2709=-2, t2710=-1, t2711=0, t2712=1, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L895] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L896] EXPR 0 __unbuffered_p3_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p3_EAX$read_delayed_var : __unbuffered_p3_EAX) : __unbuffered_p3_EAX [L896] EXPR 0 weak$$choice1 ? *__unbuffered_p3_EAX$read_delayed_var : __unbuffered_p3_EAX [L896] EXPR 0 \read(*__unbuffered_p3_EAX$read_delayed_var) [L896] EXPR 0 weak$$choice1 ? *__unbuffered_p3_EAX$read_delayed_var : __unbuffered_p3_EAX [L896] EXPR 0 __unbuffered_p3_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p3_EAX$read_delayed_var : __unbuffered_p3_EAX) : __unbuffered_p3_EAX [L896] 0 __unbuffered_p3_EAX = __unbuffered_p3_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p3_EAX$read_delayed_var : __unbuffered_p3_EAX) : __unbuffered_p3_EAX [L897] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p3_EAX == 1) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=1, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2709=-2, t2710=-1, t2711=0, t2712=1, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L899] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=1, a=1, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L18] 0 reach_error() VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX$flush_delayed=0, __unbuffered_p3_EAX$mem_tmp=0, __unbuffered_p3_EAX$r_buff0_thd0=0, __unbuffered_p3_EAX$r_buff0_thd1=0, __unbuffered_p3_EAX$r_buff0_thd2=0, __unbuffered_p3_EAX$r_buff0_thd3=0, __unbuffered_p3_EAX$r_buff0_thd4=0, __unbuffered_p3_EAX$r_buff1_thd0=0, __unbuffered_p3_EAX$r_buff1_thd1=0, __unbuffered_p3_EAX$r_buff1_thd2=0, __unbuffered_p3_EAX$r_buff1_thd3=0, __unbuffered_p3_EAX$r_buff1_thd4=0, __unbuffered_p3_EAX$read_delayed=1, __unbuffered_p3_EAX$read_delayed_var={3:0}, __unbuffered_p3_EAX$w_buff0=0, __unbuffered_p3_EAX$w_buff0_used=0, __unbuffered_p3_EAX$w_buff1=0, __unbuffered_p3_EAX$w_buff1_used=0, __unbuffered_p3_EAX=1, a=1, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] - UnprovableResult [Line: 882]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 876]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P2Thread1of1ForFork2 with 1 thread instances CFG has 9 procedures, 81 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 81 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 22, 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, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 401 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2024-07-16 19:48:02,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-07-16 19:48:02,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-16 19:48:02,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE