./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c394bf0b454616c76d3ba114fe7f9b161b2a3a1a85dec23beec05d3a021c1c91 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:01:58,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:01:58,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:01:58,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:01:58,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:01:58,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:01:58,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:01:58,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:01:58,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:01:58,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:01:58,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:01:58,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:01:58,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:01:58,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:01:58,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:01:58,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:01:58,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:01:58,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:01:58,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:01:58,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:01:58,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:01:58,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:01:58,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:01:58,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:01:58,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:01:58,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:01:58,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:01:58,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:01:58,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:01:58,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:01:58,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:01:58,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:01:58,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:01:58,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:01:58,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:01:58,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:01:58,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:01:58,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:01:58,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:01:58,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:01:58,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:01:58,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 15:01:58,450 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:01:58,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:01:58,451 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:01:58,451 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:01:58,452 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:01:58,452 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:01:58,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:01:58,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:01:58,453 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:01:58,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:01:58,454 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 15:01:58,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:01:58,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 15:01:58,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:01:58,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:01:58,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:01:58,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:01:58,455 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 15:01:58,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:01:58,455 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:01:58,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:01:58,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:01:58,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:01:58,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:01:58,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:01:58,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:01:58,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:01:58,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:01:58,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:01:58,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:01:58,457 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:01:58,457 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:01:58,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:01:58,458 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:01:58,458 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c394bf0b454616c76d3ba114fe7f9b161b2a3a1a85dec23beec05d3a021c1c91 [2021-12-21 15:01:58,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:01:58,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:01:58,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:01:58,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:01:58,698 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:01:58,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i [2021-12-21 15:01:58,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93eb46c95/aec1a6884b64445b82df9df0f1173b6c/FLAGc453aa400 [2021-12-21 15:01:59,127 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:01:59,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i [2021-12-21 15:01:59,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93eb46c95/aec1a6884b64445b82df9df0f1173b6c/FLAGc453aa400 [2021-12-21 15:01:59,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93eb46c95/aec1a6884b64445b82df9df0f1173b6c [2021-12-21 15:01:59,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:01:59,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:01:59,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:01:59,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:01:59,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:01:59,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:01:59" (1/1) ... [2021-12-21 15:01:59,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef19c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:01:59, skipping insertion in model container [2021-12-21 15:01:59,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:01:59" (1/1) ... [2021-12-21 15:01:59,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:01:59,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:01:59,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i[958,971] [2021-12-21 15:01:59,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:01:59,458 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:01:59,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i[958,971] [2021-12-21 15:01:59,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:01:59,556 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:01:59,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:01:59 WrapperNode [2021-12-21 15:01:59,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:01:59,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:01:59,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:01:59,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:01:59,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:01:59" (1/1) ... [2021-12-21 15:01:59,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:01:59" (1/1) ... [2021-12-21 15:01:59,622 INFO L137 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 194 [2021-12-21 15:01:59,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:01:59,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:01:59,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:01:59,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:01:59,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:01:59" (1/1) ... [2021-12-21 15:01:59,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:01:59" (1/1) ... [2021-12-21 15:01:59,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:01:59" (1/1) ... [2021-12-21 15:01:59,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:01:59" (1/1) ... [2021-12-21 15:01:59,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:01:59" (1/1) ... [2021-12-21 15:01:59,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:01:59" (1/1) ... [2021-12-21 15:01:59,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:01:59" (1/1) ... [2021-12-21 15:01:59,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:01:59,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:01:59,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:01:59,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:01:59,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:01:59" (1/1) ... [2021-12-21 15:01:59,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:01:59,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:01:59,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 15:01:59,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 15:01:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:01:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-21 15:01:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:01:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:01:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:01:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-21 15:01:59,745 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-21 15:01:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-21 15:01:59,745 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-21 15:01:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-21 15:01:59,745 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-21 15:01:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-21 15:01:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-21 15:01:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:01:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-21 15:01:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:01:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:01:59,747 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-21 15:01:59,898 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:01:59,899 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:02:00,300 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:02:00,501 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:02:00,502 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 15:02:00,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:02:00 BoogieIcfgContainer [2021-12-21 15:02:00,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:02:00,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:02:00,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:02:00,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:02:00,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:01:59" (1/3) ... [2021-12-21 15:02:00,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602a91c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:02:00, skipping insertion in model container [2021-12-21 15:02:00,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:01:59" (2/3) ... [2021-12-21 15:02:00,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602a91c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:02:00, skipping insertion in model container [2021-12-21 15:02:00,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:02:00" (3/3) ... [2021-12-21 15:02:00,509 INFO L111 eAbstractionObserver]: Analyzing ICFG mix017_power.opt_rmo.opt.i [2021-12-21 15:02:00,513 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-21 15:02:00,513 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:02:00,513 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 15:02:00,513 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-21 15:02:00,546 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,547 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,547 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,547 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,548 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,548 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,548 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,548 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,549 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,549 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,549 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,549 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,549 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,550 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,550 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,550 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,550 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,550 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,551 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,551 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,551 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,552 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,552 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,552 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,552 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,552 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,552 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,552 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,553 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,553 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,553 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,553 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,553 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,553 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,553 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,554 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,554 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,554 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,554 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,554 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,554 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,554 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,555 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,555 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,555 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,555 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,555 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,555 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,555 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,556 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,556 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,556 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,556 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,556 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,556 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,556 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,556 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,557 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,558 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,566 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,566 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,567 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,568 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,568 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,568 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,568 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,568 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,569 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,569 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,569 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,569 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,569 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,569 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,569 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,570 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,570 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,570 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,570 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,570 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,570 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,571 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,571 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,571 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,571 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,571 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,571 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,571 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,572 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,573 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,573 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,573 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,573 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,574 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,574 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,574 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,574 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,574 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,575 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,575 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,575 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,575 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,575 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,575 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,576 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,576 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,576 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,576 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,576 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,576 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,576 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,577 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,577 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,577 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,577 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,578 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,578 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,579 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,579 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,579 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,579 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,580 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,580 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,580 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,580 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,581 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,583 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,583 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,583 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,584 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,584 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,584 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,584 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,584 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,584 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,584 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,585 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,585 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,585 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,585 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,586 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,586 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,586 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,586 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,587 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,587 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,587 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,587 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,587 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,587 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,587 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,588 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,588 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,588 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,588 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,588 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,589 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,589 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,589 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,589 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,589 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,590 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,590 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,590 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,590 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,590 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,590 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,590 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,591 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,591 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,591 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,591 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,593 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,593 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,593 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,593 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,594 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,594 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,594 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:02:00,594 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-21 15:02:00,626 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:02:00,630 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 15:02:00,630 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-21 15:02:00,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 137 transitions, 294 flow [2021-12-21 15:02:00,686 INFO L129 PetriNetUnfolder]: 2/133 cut-off events. [2021-12-21 15:02:00,687 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-21 15:02:00,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 133 events. 2/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2021-12-21 15:02:00,689 INFO L82 GeneralOperation]: Start removeDead. Operand has 148 places, 137 transitions, 294 flow [2021-12-21 15:02:00,694 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 133 transitions, 278 flow [2021-12-21 15:02:00,711 INFO L129 PetriNetUnfolder]: 0/77 cut-off events. [2021-12-21 15:02:00,712 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-21 15:02:00,712 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:02:00,712 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:02:00,713 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:02:00,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:02:00,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1810850912, now seen corresponding path program 1 times [2021-12-21 15:02:00,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:02:00,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058228853] [2021-12-21 15:02:00,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:02:00,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:02:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:02:00,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:02:00,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:02:00,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058228853] [2021-12-21 15:02:00,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058228853] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:02:00,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:02:00,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 15:02:00,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936796273] [2021-12-21 15:02:00,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:02:00,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 15:02:00,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:02:00,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 15:02:00,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 15:02:00,995 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 137 [2021-12-21 15:02:00,999 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 133 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 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) [2021-12-21 15:02:00,999 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:02:00,999 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 137 [2021-12-21 15:02:01,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:02:01,090 INFO L129 PetriNetUnfolder]: 37/318 cut-off events. [2021-12-21 15:02:01,094 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-12-21 15:02:01,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 318 events. 37/318 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1114 event pairs, 19 based on Foata normal form. 9/305 useless extension candidates. Maximal degree in co-relation 356. Up to 51 conditions per place. [2021-12-21 15:02:01,099 INFO L132 encePairwiseOnDemand]: 132/137 looper letters, 12 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2021-12-21 15:02:01,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 133 transitions, 309 flow [2021-12-21 15:02:01,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 15:02:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-21 15:02:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions. [2021-12-21 15:02:01,115 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9440389294403893 [2021-12-21 15:02:01,116 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 388 transitions. [2021-12-21 15:02:01,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 388 transitions. [2021-12-21 15:02:01,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:02:01,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 388 transitions. [2021-12-21 15:02:01,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2021-12-21 15:02:01,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 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) [2021-12-21 15:02:01,132 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 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) [2021-12-21 15:02:01,134 INFO L186 Difference]: Start difference. First operand has 144 places, 133 transitions, 278 flow. Second operand 3 states and 388 transitions. [2021-12-21 15:02:01,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 133 transitions, 309 flow [2021-12-21 15:02:01,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 133 transitions, 304 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-21 15:02:01,142 INFO L242 Difference]: Finished difference. Result has 140 places, 129 transitions, 270 flow [2021-12-21 15:02:01,143 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=140, PETRI_TRANSITIONS=129} [2021-12-21 15:02:01,147 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, -4 predicate places. [2021-12-21 15:02:01,148 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 129 transitions, 270 flow [2021-12-21 15:02:01,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 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) [2021-12-21 15:02:01,148 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:02:01,149 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:02:01,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:02:01,149 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:02:01,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:02:01,150 INFO L85 PathProgramCache]: Analyzing trace with hash 544271704, now seen corresponding path program 1 times [2021-12-21 15:02:01,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:02:01,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215747879] [2021-12-21 15:02:01,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:02:01,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:02:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:02:01,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:02:01,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:02:01,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215747879] [2021-12-21 15:02:01,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215747879] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:02:01,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:02:01,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 15:02:01,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768305809] [2021-12-21 15:02:01,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:02:01,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:02:01,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:02:01,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:02:01,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:02:01,357 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 137 [2021-12-21 15:02:01,358 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 129 transitions, 270 flow. Second operand has 7 states, 7 states have (on average 110.28571428571429) internal successors, (772), 7 states have internal predecessors, (772), 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) [2021-12-21 15:02:01,358 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:02:01,358 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 137 [2021-12-21 15:02:01,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:02:02,074 INFO L129 PetriNetUnfolder]: 1738/4375 cut-off events. [2021-12-21 15:02:02,074 INFO L130 PetriNetUnfolder]: For 188/188 co-relation queries the response was YES. [2021-12-21 15:02:02,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7115 conditions, 4375 events. 1738/4375 cut-off events. For 188/188 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 36368 event pairs, 266 based on Foata normal form. 0/4273 useless extension candidates. Maximal degree in co-relation 7053. Up to 1300 conditions per place. [2021-12-21 15:02:02,098 INFO L132 encePairwiseOnDemand]: 131/137 looper letters, 28 selfloop transitions, 2 changer transitions 62/183 dead transitions. [2021-12-21 15:02:02,099 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 183 transitions, 550 flow [2021-12-21 15:02:02,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 15:02:02,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-21 15:02:02,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1053 transitions. [2021-12-21 15:02:02,101 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8540145985401459 [2021-12-21 15:02:02,101 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1053 transitions. [2021-12-21 15:02:02,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1053 transitions. [2021-12-21 15:02:02,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:02:02,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1053 transitions. [2021-12-21 15:02:02,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 117.0) internal successors, (1053), 9 states have internal predecessors, (1053), 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) [2021-12-21 15:02:02,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 137.0) internal successors, (1370), 10 states have internal predecessors, (1370), 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) [2021-12-21 15:02:02,106 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 137.0) internal successors, (1370), 10 states have internal predecessors, (1370), 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) [2021-12-21 15:02:02,107 INFO L186 Difference]: Start difference. First operand has 140 places, 129 transitions, 270 flow. Second operand 9 states and 1053 transitions. [2021-12-21 15:02:02,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 183 transitions, 550 flow [2021-12-21 15:02:02,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 183 transitions, 532 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-21 15:02:02,110 INFO L242 Difference]: Finished difference. Result has 153 places, 115 transitions, 258 flow [2021-12-21 15:02:02,110 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=258, PETRI_PLACES=153, PETRI_TRANSITIONS=115} [2021-12-21 15:02:02,111 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 9 predicate places. [2021-12-21 15:02:02,111 INFO L470 AbstractCegarLoop]: Abstraction has has 153 places, 115 transitions, 258 flow [2021-12-21 15:02:02,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 110.28571428571429) internal successors, (772), 7 states have internal predecessors, (772), 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) [2021-12-21 15:02:02,112 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:02:02,112 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:02:02,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 15:02:02,112 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:02:02,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:02:02,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1620445410, now seen corresponding path program 1 times [2021-12-21 15:02:02,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:02:02,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502504100] [2021-12-21 15:02:02,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:02:02,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:02:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:02:02,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:02:02,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:02:02,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502504100] [2021-12-21 15:02:02,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502504100] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:02:02,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:02:02,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 15:02:02,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358619757] [2021-12-21 15:02:02,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:02:02,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:02:02,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:02:02,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:02:02,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:02:02,236 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2021-12-21 15:02:02,236 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 115 transitions, 258 flow. Second operand has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 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) [2021-12-21 15:02:02,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:02:02,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2021-12-21 15:02:02,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:02:02,844 INFO L129 PetriNetUnfolder]: 2005/3837 cut-off events. [2021-12-21 15:02:02,845 INFO L130 PetriNetUnfolder]: For 181/181 co-relation queries the response was YES. [2021-12-21 15:02:02,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7235 conditions, 3837 events. 2005/3837 cut-off events. For 181/181 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 28254 event pairs, 115 based on Foata normal form. 0/3746 useless extension candidates. Maximal degree in co-relation 7170. Up to 1189 conditions per place. [2021-12-21 15:02:02,864 INFO L132 encePairwiseOnDemand]: 126/137 looper letters, 32 selfloop transitions, 7 changer transitions 50/183 dead transitions. [2021-12-21 15:02:02,864 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 183 transitions, 578 flow [2021-12-21 15:02:02,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 15:02:02,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-21 15:02:02,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1211 transitions. [2021-12-21 15:02:02,867 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8839416058394161 [2021-12-21 15:02:02,867 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1211 transitions. [2021-12-21 15:02:02,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1211 transitions. [2021-12-21 15:02:02,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:02:02,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1211 transitions. [2021-12-21 15:02:02,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 121.1) internal successors, (1211), 10 states have internal predecessors, (1211), 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) [2021-12-21 15:02:02,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 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) [2021-12-21 15:02:02,872 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 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) [2021-12-21 15:02:02,873 INFO L186 Difference]: Start difference. First operand has 153 places, 115 transitions, 258 flow. Second operand 10 states and 1211 transitions. [2021-12-21 15:02:02,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 183 transitions, 578 flow [2021-12-21 15:02:02,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 183 transitions, 562 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-12-21 15:02:02,884 INFO L242 Difference]: Finished difference. Result has 140 places, 118 transitions, 308 flow [2021-12-21 15:02:02,884 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=308, PETRI_PLACES=140, PETRI_TRANSITIONS=118} [2021-12-21 15:02:02,885 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, -4 predicate places. [2021-12-21 15:02:02,885 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 118 transitions, 308 flow [2021-12-21 15:02:02,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 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) [2021-12-21 15:02:02,886 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:02:02,886 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:02:02,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 15:02:02,886 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:02:02,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:02:02,887 INFO L85 PathProgramCache]: Analyzing trace with hash 477172693, now seen corresponding path program 1 times [2021-12-21 15:02:02,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:02:02,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016792529] [2021-12-21 15:02:02,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:02:02,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:02:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:02:03,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:02:03,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:02:03,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016792529] [2021-12-21 15:02:03,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016792529] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:02:03,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:02:03,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 15:02:03,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151198228] [2021-12-21 15:02:03,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:02:03,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:02:03,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:02:03,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:02:03,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:02:03,007 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2021-12-21 15:02:03,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 118 transitions, 308 flow. Second operand has 7 states, 7 states have (on average 114.0) internal successors, (798), 7 states have internal predecessors, (798), 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) [2021-12-21 15:02:03,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:02:03,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2021-12-21 15:02:03,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:02:03,442 INFO L129 PetriNetUnfolder]: 1013/2244 cut-off events. [2021-12-21 15:02:03,443 INFO L130 PetriNetUnfolder]: For 2517/2545 co-relation queries the response was YES. [2021-12-21 15:02:03,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6209 conditions, 2244 events. 1013/2244 cut-off events. For 2517/2545 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 16062 event pairs, 19 based on Foata normal form. 60/2288 useless extension candidates. Maximal degree in co-relation 6143. Up to 691 conditions per place. [2021-12-21 15:02:03,456 INFO L132 encePairwiseOnDemand]: 127/137 looper letters, 38 selfloop transitions, 11 changer transitions 39/182 dead transitions. [2021-12-21 15:02:03,457 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 182 transitions, 785 flow [2021-12-21 15:02:03,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 15:02:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-21 15:02:03,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1210 transitions. [2021-12-21 15:02:03,460 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8832116788321168 [2021-12-21 15:02:03,460 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1210 transitions. [2021-12-21 15:02:03,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1210 transitions. [2021-12-21 15:02:03,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:02:03,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1210 transitions. [2021-12-21 15:02:03,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 121.0) internal successors, (1210), 10 states have internal predecessors, (1210), 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) [2021-12-21 15:02:03,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 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) [2021-12-21 15:02:03,464 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 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) [2021-12-21 15:02:03,465 INFO L186 Difference]: Start difference. First operand has 140 places, 118 transitions, 308 flow. Second operand 10 states and 1210 transitions. [2021-12-21 15:02:03,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 182 transitions, 785 flow [2021-12-21 15:02:03,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 182 transitions, 760 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-12-21 15:02:03,472 INFO L242 Difference]: Finished difference. Result has 144 places, 122 transitions, 396 flow [2021-12-21 15:02:03,472 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=396, PETRI_PLACES=144, PETRI_TRANSITIONS=122} [2021-12-21 15:02:03,473 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 0 predicate places. [2021-12-21 15:02:03,473 INFO L470 AbstractCegarLoop]: Abstraction has has 144 places, 122 transitions, 396 flow [2021-12-21 15:02:03,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 114.0) internal successors, (798), 7 states have internal predecessors, (798), 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) [2021-12-21 15:02:03,474 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:02:03,474 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:02:03,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 15:02:03,474 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:02:03,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:02:03,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1277435979, now seen corresponding path program 1 times [2021-12-21 15:02:03,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:02:03,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882174421] [2021-12-21 15:02:03,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:02:03,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:02:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:02:03,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:02:03,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:02:03,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882174421] [2021-12-21 15:02:03,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882174421] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:02:03,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:02:03,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 15:02:03,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140529396] [2021-12-21 15:02:03,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:02:03,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:02:03,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:02:03,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:02:03,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:02:03,616 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2021-12-21 15:02:03,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 122 transitions, 396 flow. Second operand has 7 states, 7 states have (on average 115.28571428571429) internal successors, (807), 7 states have internal predecessors, (807), 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) [2021-12-21 15:02:03,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:02:03,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2021-12-21 15:02:03,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:02:03,996 INFO L129 PetriNetUnfolder]: 803/2404 cut-off events. [2021-12-21 15:02:03,997 INFO L130 PetriNetUnfolder]: For 4273/4853 co-relation queries the response was YES. [2021-12-21 15:02:04,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6424 conditions, 2404 events. 803/2404 cut-off events. For 4273/4853 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 19613 event pairs, 150 based on Foata normal form. 45/2372 useless extension candidates. Maximal degree in co-relation 6353. Up to 522 conditions per place. [2021-12-21 15:02:04,015 INFO L132 encePairwiseOnDemand]: 131/137 looper letters, 53 selfloop transitions, 5 changer transitions 0/161 dead transitions. [2021-12-21 15:02:04,015 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 161 transitions, 600 flow [2021-12-21 15:02:04,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:02:04,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-21 15:02:04,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 850 transitions. [2021-12-21 15:02:04,017 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.886339937434828 [2021-12-21 15:02:04,017 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 850 transitions. [2021-12-21 15:02:04,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 850 transitions. [2021-12-21 15:02:04,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:02:04,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 850 transitions. [2021-12-21 15:02:04,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 121.42857142857143) internal successors, (850), 7 states have internal predecessors, (850), 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) [2021-12-21 15:02:04,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 137.0) internal successors, (1096), 8 states have internal predecessors, (1096), 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) [2021-12-21 15:02:04,020 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 137.0) internal successors, (1096), 8 states have internal predecessors, (1096), 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) [2021-12-21 15:02:04,020 INFO L186 Difference]: Start difference. First operand has 144 places, 122 transitions, 396 flow. Second operand 7 states and 850 transitions. [2021-12-21 15:02:04,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 161 transitions, 600 flow [2021-12-21 15:02:04,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 161 transitions, 531 flow, removed 25 selfloop flow, removed 9 redundant places. [2021-12-21 15:02:04,030 INFO L242 Difference]: Finished difference. Result has 142 places, 126 transitions, 366 flow [2021-12-21 15:02:04,030 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=366, PETRI_PLACES=142, PETRI_TRANSITIONS=126} [2021-12-21 15:02:04,031 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, -2 predicate places. [2021-12-21 15:02:04,031 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 126 transitions, 366 flow [2021-12-21 15:02:04,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 115.28571428571429) internal successors, (807), 7 states have internal predecessors, (807), 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) [2021-12-21 15:02:04,032 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:02:04,032 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:02:04,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 15:02:04,032 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:02:04,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:02:04,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1811486057, now seen corresponding path program 2 times [2021-12-21 15:02:04,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:02:04,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577093877] [2021-12-21 15:02:04,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:02:04,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:02:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:02:04,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:02:04,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:02:04,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577093877] [2021-12-21 15:02:04,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577093877] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:02:04,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:02:04,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 15:02:04,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856353556] [2021-12-21 15:02:04,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:02:04,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 15:02:04,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:02:04,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 15:02:04,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-21 15:02:04,165 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2021-12-21 15:02:04,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 126 transitions, 366 flow. Second operand has 8 states, 8 states have (on average 113.875) internal successors, (911), 8 states have internal predecessors, (911), 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) [2021-12-21 15:02:04,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:02:04,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2021-12-21 15:02:04,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:02:04,567 INFO L129 PetriNetUnfolder]: 788/1983 cut-off events. [2021-12-21 15:02:04,567 INFO L130 PetriNetUnfolder]: For 2575/2671 co-relation queries the response was YES. [2021-12-21 15:02:04,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5429 conditions, 1983 events. 788/1983 cut-off events. For 2575/2671 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 14509 event pairs, 24 based on Foata normal form. 67/2005 useless extension candidates. Maximal degree in co-relation 5361. Up to 518 conditions per place. [2021-12-21 15:02:04,578 INFO L132 encePairwiseOnDemand]: 127/137 looper letters, 43 selfloop transitions, 15 changer transitions 42/195 dead transitions. [2021-12-21 15:02:04,578 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 195 transitions, 915 flow [2021-12-21 15:02:04,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 15:02:04,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-21 15:02:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1331 transitions. [2021-12-21 15:02:04,581 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8832116788321168 [2021-12-21 15:02:04,581 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1331 transitions. [2021-12-21 15:02:04,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1331 transitions. [2021-12-21 15:02:04,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:02:04,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1331 transitions. [2021-12-21 15:02:04,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 121.0) internal successors, (1331), 11 states have internal predecessors, (1331), 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) [2021-12-21 15:02:04,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 137.0) internal successors, (1644), 12 states have internal predecessors, (1644), 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) [2021-12-21 15:02:04,585 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 137.0) internal successors, (1644), 12 states have internal predecessors, (1644), 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) [2021-12-21 15:02:04,586 INFO L186 Difference]: Start difference. First operand has 142 places, 126 transitions, 366 flow. Second operand 11 states and 1331 transitions. [2021-12-21 15:02:04,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 195 transitions, 915 flow [2021-12-21 15:02:04,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 195 transitions, 912 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-21 15:02:04,590 INFO L242 Difference]: Finished difference. Result has 157 places, 127 transitions, 464 flow [2021-12-21 15:02:04,591 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=464, PETRI_PLACES=157, PETRI_TRANSITIONS=127} [2021-12-21 15:02:04,591 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 13 predicate places. [2021-12-21 15:02:04,591 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 127 transitions, 464 flow [2021-12-21 15:02:04,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 113.875) internal successors, (911), 8 states have internal predecessors, (911), 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) [2021-12-21 15:02:04,592 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:02:04,592 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:02:04,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 15:02:04,592 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:02:04,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:02:04,593 INFO L85 PathProgramCache]: Analyzing trace with hash 762723571, now seen corresponding path program 1 times [2021-12-21 15:02:04,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:02:04,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969610296] [2021-12-21 15:02:04,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:02:04,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:02:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:02:04,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:02:04,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:02:04,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969610296] [2021-12-21 15:02:04,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969610296] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:02:04,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:02:04,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 15:02:04,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036102141] [2021-12-21 15:02:04,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:02:04,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:02:04,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:02:04,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:02:04,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:02:04,761 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 137 [2021-12-21 15:02:04,762 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 127 transitions, 464 flow. Second operand has 7 states, 7 states have (on average 109.28571428571429) internal successors, (765), 7 states have internal predecessors, (765), 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) [2021-12-21 15:02:04,762 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:02:04,762 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 137 [2021-12-21 15:02:04,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:02:05,231 INFO L129 PetriNetUnfolder]: 727/2605 cut-off events. [2021-12-21 15:02:05,231 INFO L130 PetriNetUnfolder]: For 6224/6674 co-relation queries the response was YES. [2021-12-21 15:02:05,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6915 conditions, 2605 events. 727/2605 cut-off events. For 6224/6674 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 21912 event pairs, 203 based on Foata normal form. 108/2616 useless extension candidates. Maximal degree in co-relation 6834. Up to 514 conditions per place. [2021-12-21 15:02:05,253 INFO L132 encePairwiseOnDemand]: 125/137 looper letters, 49 selfloop transitions, 8 changer transitions 31/188 dead transitions. [2021-12-21 15:02:05,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 188 transitions, 822 flow [2021-12-21 15:02:05,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 15:02:05,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-21 15:02:05,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1254 transitions. [2021-12-21 15:02:05,256 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8321167883211679 [2021-12-21 15:02:05,257 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1254 transitions. [2021-12-21 15:02:05,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1254 transitions. [2021-12-21 15:02:05,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:02:05,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1254 transitions. [2021-12-21 15:02:05,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 114.0) internal successors, (1254), 11 states have internal predecessors, (1254), 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) [2021-12-21 15:02:05,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 137.0) internal successors, (1644), 12 states have internal predecessors, (1644), 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) [2021-12-21 15:02:05,262 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 137.0) internal successors, (1644), 12 states have internal predecessors, (1644), 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) [2021-12-21 15:02:05,263 INFO L186 Difference]: Start difference. First operand has 157 places, 127 transitions, 464 flow. Second operand 11 states and 1254 transitions. [2021-12-21 15:02:05,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 188 transitions, 822 flow [2021-12-21 15:02:05,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 188 transitions, 711 flow, removed 42 selfloop flow, removed 13 redundant places. [2021-12-21 15:02:05,286 INFO L242 Difference]: Finished difference. Result has 155 places, 132 transitions, 457 flow [2021-12-21 15:02:05,286 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=457, PETRI_PLACES=155, PETRI_TRANSITIONS=132} [2021-12-21 15:02:05,287 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 11 predicate places. [2021-12-21 15:02:05,287 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 132 transitions, 457 flow [2021-12-21 15:02:05,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 109.28571428571429) internal successors, (765), 7 states have internal predecessors, (765), 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) [2021-12-21 15:02:05,288 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:02:05,288 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:02:05,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 15:02:05,289 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:02:05,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:02:05,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1645174383, now seen corresponding path program 2 times [2021-12-21 15:02:05,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:02:05,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762925428] [2021-12-21 15:02:05,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:02:05,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:02:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:02:05,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:02:05,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:02:05,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762925428] [2021-12-21 15:02:05,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762925428] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:02:05,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:02:05,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 15:02:05,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395419276] [2021-12-21 15:02:05,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:02:05,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 15:02:05,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:02:05,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 15:02:05,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-21 15:02:05,403 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2021-12-21 15:02:05,403 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 132 transitions, 457 flow. Second operand has 9 states, 9 states have (on average 113.88888888888889) internal successors, (1025), 9 states have internal predecessors, (1025), 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) [2021-12-21 15:02:05,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:02:05,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2021-12-21 15:02:05,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:02:05,695 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([931] L770-->L786: Formula: (let ((.cse23 (= (mod v_~y$r_buff1_thd2~0_129 256) 0)) (.cse26 (= (mod v_~y$r_buff0_thd2~0_176 256) 0)) (.cse31 (= (mod v_~y$w_buff1_used~0_286 256) 0))) (let ((.cse11 (= (mod v_~weak$$choice2~0_84 256) 0)) (.cse8 (and .cse26 .cse31)) (.cse10 (and .cse26 .cse23)) (.cse17 (not .cse23)) (.cse2 (not .cse26)) (.cse30 (= (mod v_~y$w_buff0_used~0_366 256) 0)) (.cse9 (= (mod v_~y$w_buff0_used~0_365 256) 0)) (.cse24 (= (mod v_~y$w_buff1_used~0_285 256) 0))) (let ((.cse21 (not .cse24)) (.cse5 (or .cse26 .cse9)) (.cse4 (not .cse9)) (.cse15 (or .cse26 .cse30)) (.cse16 (not .cse30)) (.cse6 (or .cse2 (not .cse31))) (.cse7 (or .cse2 .cse17)) (.cse12 (or .cse30 .cse8 .cse10)) (.cse1 (not .cse11))) (and (= |v_P1Thread1of1ForFork3_#t~nondet4_1| v_~weak$$choice2~0_84) (let ((.cse0 (= |v_P1Thread1of1ForFork3_#t~ite16_1| |v_P1_#t~ite16_43|))) (or (and (= v_~y$w_buff1_used~0_286 v_~y$w_buff1_used~0_285) .cse0 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite17_1| |v_P1_#t~ite17_39|)) (and (or (and (let ((.cse3 (= |v_P1_#t~ite16_43| 0))) (or (and .cse2 .cse3 .cse4) (and .cse5 .cse3))) (= |v_P1_#t~ite17_39| |v_P1_#t~ite16_43|) .cse6 .cse4 .cse7) (and (or .cse8 .cse9 .cse10) .cse0 (= |v_P1_#t~ite17_39| v_~y$w_buff1_used~0_286))) .cse11 (= |v_P1_#t~ite17_39| v_~y$w_buff1_used~0_285)))) (= 0 v_~y$flush_delayed~0_40) (or (and (= v_~y~0_132 v_~y$mem_tmp~0_28) .cse1) (and (= v_~y~0_132 v_~__unbuffered_p1_EAX~0_16) .cse11)) (let ((.cse13 (= |v_P1_#t~ite7_45| |v_P1Thread1of1ForFork3_#t~ite7_1|))) (or (and (or (and .cse12 (= |v_P1_#t~ite8_43| v_~y$w_buff0~0_86) .cse13) (and (= |v_P1_#t~ite8_43| |v_P1_#t~ite7_45|) (let ((.cse14 (= |v_P1_#t~ite7_45| v_~y$w_buff0~0_86))) (or (and .cse14 .cse15) (and .cse14 .cse2 .cse16))) .cse16 .cse6 .cse7)) (= |v_P1_#t~ite8_43| v_~y$w_buff0~0_85) .cse11) (and (= |v_P1_#t~ite8_43| |v_P1Thread1of1ForFork3_#t~ite8_1|) (= v_~y$w_buff0~0_86 v_~y$w_buff0~0_85) .cse1 .cse13))) (let ((.cse22 (= |v_P1Thread1of1ForFork3_#t~ite22_1| |v_P1_#t~ite22_53|))) (or (and (let ((.cse20 (= (mod v_~y$r_buff0_thd2~0_175 256) 0))) (or (let ((.cse18 (not .cse20))) (and (or .cse17 .cse18) (let ((.cse19 (= |v_P1_#t~ite22_53| 0))) (or (and .cse19 (or .cse20 .cse9)) (and .cse19 .cse18 .cse4))) (or .cse21 .cse18) (= |v_P1_#t~ite22_53| |v_P1_#t~ite23_47|) .cse4)) (and .cse22 (or (and .cse20 .cse23) (and .cse20 .cse24) .cse9) (= |v_P1_#t~ite23_47| v_~y$r_buff1_thd2~0_129)))) (= |v_P1_#t~ite23_47| v_~y$r_buff1_thd2~0_128) .cse11) (and .cse22 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite23_1| |v_P1_#t~ite23_47|) (= v_~y$r_buff1_thd2~0_129 v_~y$r_buff1_thd2~0_128)))) (= v_~y~0_134 v_~y$mem_tmp~0_28) (let ((.cse25 (= |v_P1Thread1of1ForFork3_#t~ite19_1| |v_P1_#t~ite19_63|))) (or (and (or (and .cse25 (or .cse9 .cse10 (and .cse26 .cse24)) (= |v_P1_#t~ite20_57| v_~y$r_buff0_thd2~0_176)) (and (= |v_P1_#t~ite19_63| |v_P1_#t~ite20_57|) (or .cse21 .cse2) (or (and .cse5 (= |v_P1_#t~ite19_63| v_~y$r_buff0_thd2~0_176)) (and .cse2 (= |v_P1_#t~ite19_63| 0) .cse4)) .cse4 .cse7)) (= |v_P1_#t~ite20_57| v_~y$r_buff0_thd2~0_175) .cse11) (and (= |v_P1Thread1of1ForFork3_#t~ite20_1| |v_P1_#t~ite20_57|) .cse25 (= v_~y$r_buff0_thd2~0_176 v_~y$r_buff0_thd2~0_175) .cse1))) (or (and .cse12 (= v_~y~0_134 v_~__unbuffered_p1_EAX~0_16) (= |v_P1_#t~ite5_47| |v_P1Thread1of1ForFork3_#t~ite5_1|)) (and (= |v_P1_#t~ite5_47| v_~__unbuffered_p1_EAX~0_16) .cse16 .cse6 (or (and (= |v_P1_#t~ite5_47| v_~y$w_buff1~0_97) .cse15) (and .cse2 .cse16 (= |v_P1_#t~ite5_47| v_~y$w_buff0~0_86))) .cse7)) (let ((.cse28 (= |v_P1Thread1of1ForFork3_#t~ite10_1| |v_P1_#t~ite10_49|))) (or (and (= |v_P1_#t~ite11_45| v_~y$w_buff1~0_96) .cse11 (or (and (= |v_P1_#t~ite10_49| |v_P1_#t~ite11_45|) .cse16 (let ((.cse27 (= |v_P1_#t~ite10_49| v_~y$w_buff1~0_97))) (or (and .cse27 .cse2 .cse16) (and .cse27 .cse15))) .cse6 .cse7) (and .cse12 (= |v_P1_#t~ite11_45| v_~y$w_buff1~0_97) .cse28))) (and (= v_~y$w_buff1~0_97 v_~y$w_buff1~0_96) .cse28 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite11_1| |v_P1_#t~ite11_45|)))) (= |v_P1Thread1of1ForFork3_#t~nondet3_1| v_~weak$$choice0~0_13) (let ((.cse29 (= |v_P1Thread1of1ForFork3_#t~ite13_1| |v_P1_#t~ite13_57|))) (or (and (or (and (= |v_P1_#t~ite13_57| |v_P1_#t~ite14_49|) .cse16 (or (and .cse15 (= |v_P1_#t~ite13_57| v_~y$w_buff0_used~0_366)) (and (= |v_P1_#t~ite13_57| 0) .cse2 .cse16)) .cse6 .cse7) (and .cse12 (= |v_P1_#t~ite14_49| v_~y$w_buff0_used~0_366) .cse29)) (= |v_P1_#t~ite14_49| v_~y$w_buff0_used~0_365) .cse11) (and (= |v_P1Thread1of1ForFork3_#t~ite14_1| |v_P1_#t~ite14_49|) .cse29 .cse1 (= v_~y$w_buff0_used~0_366 v_~y$w_buff0_used~0_365)))))))) InVars {P1Thread1of1ForFork3_#t~ite17=|v_P1Thread1of1ForFork3_#t~ite17_1|, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_1|, P1Thread1of1ForFork3_#t~ite19=|v_P1Thread1of1ForFork3_#t~ite19_1|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_366, P1Thread1of1ForFork3_#t~nondet4=|v_P1Thread1of1ForFork3_#t~nondet4_1|, P1Thread1of1ForFork3_#t~nondet3=|v_P1Thread1of1ForFork3_#t~nondet3_1|, P1Thread1of1ForFork3_#t~ite22=|v_P1Thread1of1ForFork3_#t~ite22_1|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_1|, P1Thread1of1ForFork3_#t~ite5=|v_P1Thread1of1ForFork3_#t~ite5_1|, P1Thread1of1ForFork3_#t~ite20=|v_P1Thread1of1ForFork3_#t~ite20_1|, P1Thread1of1ForFork3_#t~ite10=|v_P1Thread1of1ForFork3_#t~ite10_1|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, P1Thread1of1ForFork3_#t~ite23=|v_P1Thread1of1ForFork3_#t~ite23_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_1|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_129, P1Thread1of1ForFork3_#t~ite8=|v_P1Thread1of1ForFork3_#t~ite8_1|, ~y$w_buff1~0=v_~y$w_buff1~0_97, P1Thread1of1ForFork3_#t~ite7=|v_P1Thread1of1ForFork3_#t~ite7_1|, ~y$w_buff0~0=v_~y$w_buff0~0_86, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_176, ~y~0=v_~y~0_134, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_286} OutVars{~y$w_buff0_used~0=v_~y$w_buff0_used~0_365, P1Thread1of1ForFork3_#t~ite21=|v_P1Thread1of1ForFork3_#t~ite21_1|, P1Thread1of1ForFork3_#t~ite22=|v_P1Thread1of1ForFork3_#t~ite22_2|, P1Thread1of1ForFork3_#t~ite20=|v_P1Thread1of1ForFork3_#t~ite20_2|, P1Thread1of1ForFork3_#t~ite25=|v_P1Thread1of1ForFork3_#t~ite25_1|, P1Thread1of1ForFork3_#t~ite23=|v_P1Thread1of1ForFork3_#t~ite23_2|, P1Thread1of1ForFork3_#t~ite24=|v_P1Thread1of1ForFork3_#t~ite24_1|, ~y$mem_tmp~0=v_~y$mem_tmp~0_28, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_16, ~y$w_buff0~0=v_~y$w_buff0~0_85, ~y$flush_delayed~0=v_~y$flush_delayed~0_40, ~y~0=v_~y~0_132, P1Thread1of1ForFork3_#t~ite17=|v_P1Thread1of1ForFork3_#t~ite17_2|, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_2|, P1Thread1of1ForFork3_#t~ite19=|v_P1Thread1of1ForFork3_#t~ite19_2|, P1Thread1of1ForFork3_#t~ite18=|v_P1Thread1of1ForFork3_#t~ite18_1|, P1Thread1of1ForFork3_#t~nondet4=|v_P1Thread1of1ForFork3_#t~nondet4_2|, P1Thread1of1ForFork3_#t~nondet3=|v_P1Thread1of1ForFork3_#t~nondet3_2|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_2|, P1Thread1of1ForFork3_#t~ite6=|v_P1Thread1of1ForFork3_#t~ite6_1|, P1Thread1of1ForFork3_#t~ite10=|v_P1Thread1of1ForFork3_#t~ite10_2|, P1Thread1of1ForFork3_#t~ite5=|v_P1Thread1of1ForFork3_#t~ite5_2|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_2|, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, P1Thread1of1ForFork3_#t~ite15=|v_P1Thread1of1ForFork3_#t~ite15_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_2|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_128, ~weak$$choice0~0=v_~weak$$choice0~0_13, P1Thread1of1ForFork3_#t~ite8=|v_P1Thread1of1ForFork3_#t~ite8_2|, ~y$w_buff1~0=v_~y$w_buff1~0_96, P1Thread1of1ForFork3_#t~ite7=|v_P1Thread1of1ForFork3_#t~ite7_2|, P1Thread1of1ForFork3_#t~ite9=|v_P1Thread1of1ForFork3_#t~ite9_1|, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_175, ~weak$$choice2~0=v_~weak$$choice2~0_84, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_285} AuxVars[|v_P1_#t~ite23_47|, |v_P1_#t~ite22_53|, |v_P1_#t~ite7_45|, |v_P1_#t~ite10_49|, |v_P1_#t~ite5_47|, |v_P1_#t~ite8_43|, |v_P1_#t~ite17_39|, |v_P1_#t~ite11_45|, |v_P1_#t~ite19_63|, |v_P1_#t~ite14_49|, |v_P1_#t~ite13_57|, |v_P1_#t~ite20_57|, |v_P1_#t~ite16_43|] AssignedVars[~y$w_buff0_used~0, P1Thread1of1ForFork3_#t~ite21, P1Thread1of1ForFork3_#t~ite22, P1Thread1of1ForFork3_#t~ite20, P1Thread1of1ForFork3_#t~ite25, P1Thread1of1ForFork3_#t~ite23, P1Thread1of1ForFork3_#t~ite24, ~y$mem_tmp~0, ~__unbuffered_p1_EAX~0, ~y$w_buff0~0, ~y$flush_delayed~0, ~y~0, P1Thread1of1ForFork3_#t~ite17, P1Thread1of1ForFork3_#t~ite16, P1Thread1of1ForFork3_#t~ite19, P1Thread1of1ForFork3_#t~ite18, P1Thread1of1ForFork3_#t~nondet4, P1Thread1of1ForFork3_#t~nondet3, P1Thread1of1ForFork3_#t~ite11, P1Thread1of1ForFork3_#t~ite6, P1Thread1of1ForFork3_#t~ite10, P1Thread1of1ForFork3_#t~ite5, P1Thread1of1ForFork3_#t~ite13, P1Thread1of1ForFork3_#t~ite12, P1Thread1of1ForFork3_#t~ite15, P1Thread1of1ForFork3_#t~ite14, ~y$r_buff1_thd2~0, ~weak$$choice0~0, P1Thread1of1ForFork3_#t~ite8, ~y$w_buff1~0, P1Thread1of1ForFork3_#t~ite7, P1Thread1of1ForFork3_#t~ite9, ~y$r_buff0_thd2~0, ~weak$$choice2~0, ~y$w_buff1_used~0][74], [18#L865-3true, Black: 189#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 193#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 187#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 109#L811true, 321#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 237#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 61#L786true, Black: 263#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P1Thread1of1ForFork3InUse, 126#L763true, 261#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 281#(= ~x~0 1), Black: 289#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1)), Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 297#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 299#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 291#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 27#L841true, Black: 293#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1)), Black: 295#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 287#(and (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~x~0 1)), Black: 231#(= ~a~0 1)]) [2021-12-21 15:02:05,695 INFO L384 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2021-12-21 15:02:05,696 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-21 15:02:05,696 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-21 15:02:05,696 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-21 15:02:05,743 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([931] L770-->L786: Formula: (let ((.cse23 (= (mod v_~y$r_buff1_thd2~0_129 256) 0)) (.cse26 (= (mod v_~y$r_buff0_thd2~0_176 256) 0)) (.cse31 (= (mod v_~y$w_buff1_used~0_286 256) 0))) (let ((.cse11 (= (mod v_~weak$$choice2~0_84 256) 0)) (.cse8 (and .cse26 .cse31)) (.cse10 (and .cse26 .cse23)) (.cse17 (not .cse23)) (.cse2 (not .cse26)) (.cse30 (= (mod v_~y$w_buff0_used~0_366 256) 0)) (.cse9 (= (mod v_~y$w_buff0_used~0_365 256) 0)) (.cse24 (= (mod v_~y$w_buff1_used~0_285 256) 0))) (let ((.cse21 (not .cse24)) (.cse5 (or .cse26 .cse9)) (.cse4 (not .cse9)) (.cse15 (or .cse26 .cse30)) (.cse16 (not .cse30)) (.cse6 (or .cse2 (not .cse31))) (.cse7 (or .cse2 .cse17)) (.cse12 (or .cse30 .cse8 .cse10)) (.cse1 (not .cse11))) (and (= |v_P1Thread1of1ForFork3_#t~nondet4_1| v_~weak$$choice2~0_84) (let ((.cse0 (= |v_P1Thread1of1ForFork3_#t~ite16_1| |v_P1_#t~ite16_43|))) (or (and (= v_~y$w_buff1_used~0_286 v_~y$w_buff1_used~0_285) .cse0 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite17_1| |v_P1_#t~ite17_39|)) (and (or (and (let ((.cse3 (= |v_P1_#t~ite16_43| 0))) (or (and .cse2 .cse3 .cse4) (and .cse5 .cse3))) (= |v_P1_#t~ite17_39| |v_P1_#t~ite16_43|) .cse6 .cse4 .cse7) (and (or .cse8 .cse9 .cse10) .cse0 (= |v_P1_#t~ite17_39| v_~y$w_buff1_used~0_286))) .cse11 (= |v_P1_#t~ite17_39| v_~y$w_buff1_used~0_285)))) (= 0 v_~y$flush_delayed~0_40) (or (and (= v_~y~0_132 v_~y$mem_tmp~0_28) .cse1) (and (= v_~y~0_132 v_~__unbuffered_p1_EAX~0_16) .cse11)) (let ((.cse13 (= |v_P1_#t~ite7_45| |v_P1Thread1of1ForFork3_#t~ite7_1|))) (or (and (or (and .cse12 (= |v_P1_#t~ite8_43| v_~y$w_buff0~0_86) .cse13) (and (= |v_P1_#t~ite8_43| |v_P1_#t~ite7_45|) (let ((.cse14 (= |v_P1_#t~ite7_45| v_~y$w_buff0~0_86))) (or (and .cse14 .cse15) (and .cse14 .cse2 .cse16))) .cse16 .cse6 .cse7)) (= |v_P1_#t~ite8_43| v_~y$w_buff0~0_85) .cse11) (and (= |v_P1_#t~ite8_43| |v_P1Thread1of1ForFork3_#t~ite8_1|) (= v_~y$w_buff0~0_86 v_~y$w_buff0~0_85) .cse1 .cse13))) (let ((.cse22 (= |v_P1Thread1of1ForFork3_#t~ite22_1| |v_P1_#t~ite22_53|))) (or (and (let ((.cse20 (= (mod v_~y$r_buff0_thd2~0_175 256) 0))) (or (let ((.cse18 (not .cse20))) (and (or .cse17 .cse18) (let ((.cse19 (= |v_P1_#t~ite22_53| 0))) (or (and .cse19 (or .cse20 .cse9)) (and .cse19 .cse18 .cse4))) (or .cse21 .cse18) (= |v_P1_#t~ite22_53| |v_P1_#t~ite23_47|) .cse4)) (and .cse22 (or (and .cse20 .cse23) (and .cse20 .cse24) .cse9) (= |v_P1_#t~ite23_47| v_~y$r_buff1_thd2~0_129)))) (= |v_P1_#t~ite23_47| v_~y$r_buff1_thd2~0_128) .cse11) (and .cse22 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite23_1| |v_P1_#t~ite23_47|) (= v_~y$r_buff1_thd2~0_129 v_~y$r_buff1_thd2~0_128)))) (= v_~y~0_134 v_~y$mem_tmp~0_28) (let ((.cse25 (= |v_P1Thread1of1ForFork3_#t~ite19_1| |v_P1_#t~ite19_63|))) (or (and (or (and .cse25 (or .cse9 .cse10 (and .cse26 .cse24)) (= |v_P1_#t~ite20_57| v_~y$r_buff0_thd2~0_176)) (and (= |v_P1_#t~ite19_63| |v_P1_#t~ite20_57|) (or .cse21 .cse2) (or (and .cse5 (= |v_P1_#t~ite19_63| v_~y$r_buff0_thd2~0_176)) (and .cse2 (= |v_P1_#t~ite19_63| 0) .cse4)) .cse4 .cse7)) (= |v_P1_#t~ite20_57| v_~y$r_buff0_thd2~0_175) .cse11) (and (= |v_P1Thread1of1ForFork3_#t~ite20_1| |v_P1_#t~ite20_57|) .cse25 (= v_~y$r_buff0_thd2~0_176 v_~y$r_buff0_thd2~0_175) .cse1))) (or (and .cse12 (= v_~y~0_134 v_~__unbuffered_p1_EAX~0_16) (= |v_P1_#t~ite5_47| |v_P1Thread1of1ForFork3_#t~ite5_1|)) (and (= |v_P1_#t~ite5_47| v_~__unbuffered_p1_EAX~0_16) .cse16 .cse6 (or (and (= |v_P1_#t~ite5_47| v_~y$w_buff1~0_97) .cse15) (and .cse2 .cse16 (= |v_P1_#t~ite5_47| v_~y$w_buff0~0_86))) .cse7)) (let ((.cse28 (= |v_P1Thread1of1ForFork3_#t~ite10_1| |v_P1_#t~ite10_49|))) (or (and (= |v_P1_#t~ite11_45| v_~y$w_buff1~0_96) .cse11 (or (and (= |v_P1_#t~ite10_49| |v_P1_#t~ite11_45|) .cse16 (let ((.cse27 (= |v_P1_#t~ite10_49| v_~y$w_buff1~0_97))) (or (and .cse27 .cse2 .cse16) (and .cse27 .cse15))) .cse6 .cse7) (and .cse12 (= |v_P1_#t~ite11_45| v_~y$w_buff1~0_97) .cse28))) (and (= v_~y$w_buff1~0_97 v_~y$w_buff1~0_96) .cse28 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite11_1| |v_P1_#t~ite11_45|)))) (= |v_P1Thread1of1ForFork3_#t~nondet3_1| v_~weak$$choice0~0_13) (let ((.cse29 (= |v_P1Thread1of1ForFork3_#t~ite13_1| |v_P1_#t~ite13_57|))) (or (and (or (and (= |v_P1_#t~ite13_57| |v_P1_#t~ite14_49|) .cse16 (or (and .cse15 (= |v_P1_#t~ite13_57| v_~y$w_buff0_used~0_366)) (and (= |v_P1_#t~ite13_57| 0) .cse2 .cse16)) .cse6 .cse7) (and .cse12 (= |v_P1_#t~ite14_49| v_~y$w_buff0_used~0_366) .cse29)) (= |v_P1_#t~ite14_49| v_~y$w_buff0_used~0_365) .cse11) (and (= |v_P1Thread1of1ForFork3_#t~ite14_1| |v_P1_#t~ite14_49|) .cse29 .cse1 (= v_~y$w_buff0_used~0_366 v_~y$w_buff0_used~0_365)))))))) InVars {P1Thread1of1ForFork3_#t~ite17=|v_P1Thread1of1ForFork3_#t~ite17_1|, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_1|, P1Thread1of1ForFork3_#t~ite19=|v_P1Thread1of1ForFork3_#t~ite19_1|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_366, P1Thread1of1ForFork3_#t~nondet4=|v_P1Thread1of1ForFork3_#t~nondet4_1|, P1Thread1of1ForFork3_#t~nondet3=|v_P1Thread1of1ForFork3_#t~nondet3_1|, P1Thread1of1ForFork3_#t~ite22=|v_P1Thread1of1ForFork3_#t~ite22_1|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_1|, P1Thread1of1ForFork3_#t~ite5=|v_P1Thread1of1ForFork3_#t~ite5_1|, P1Thread1of1ForFork3_#t~ite20=|v_P1Thread1of1ForFork3_#t~ite20_1|, P1Thread1of1ForFork3_#t~ite10=|v_P1Thread1of1ForFork3_#t~ite10_1|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, P1Thread1of1ForFork3_#t~ite23=|v_P1Thread1of1ForFork3_#t~ite23_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_1|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_129, P1Thread1of1ForFork3_#t~ite8=|v_P1Thread1of1ForFork3_#t~ite8_1|, ~y$w_buff1~0=v_~y$w_buff1~0_97, P1Thread1of1ForFork3_#t~ite7=|v_P1Thread1of1ForFork3_#t~ite7_1|, ~y$w_buff0~0=v_~y$w_buff0~0_86, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_176, ~y~0=v_~y~0_134, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_286} OutVars{~y$w_buff0_used~0=v_~y$w_buff0_used~0_365, P1Thread1of1ForFork3_#t~ite21=|v_P1Thread1of1ForFork3_#t~ite21_1|, P1Thread1of1ForFork3_#t~ite22=|v_P1Thread1of1ForFork3_#t~ite22_2|, P1Thread1of1ForFork3_#t~ite20=|v_P1Thread1of1ForFork3_#t~ite20_2|, P1Thread1of1ForFork3_#t~ite25=|v_P1Thread1of1ForFork3_#t~ite25_1|, P1Thread1of1ForFork3_#t~ite23=|v_P1Thread1of1ForFork3_#t~ite23_2|, P1Thread1of1ForFork3_#t~ite24=|v_P1Thread1of1ForFork3_#t~ite24_1|, ~y$mem_tmp~0=v_~y$mem_tmp~0_28, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_16, ~y$w_buff0~0=v_~y$w_buff0~0_85, ~y$flush_delayed~0=v_~y$flush_delayed~0_40, ~y~0=v_~y~0_132, P1Thread1of1ForFork3_#t~ite17=|v_P1Thread1of1ForFork3_#t~ite17_2|, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_2|, P1Thread1of1ForFork3_#t~ite19=|v_P1Thread1of1ForFork3_#t~ite19_2|, P1Thread1of1ForFork3_#t~ite18=|v_P1Thread1of1ForFork3_#t~ite18_1|, P1Thread1of1ForFork3_#t~nondet4=|v_P1Thread1of1ForFork3_#t~nondet4_2|, P1Thread1of1ForFork3_#t~nondet3=|v_P1Thread1of1ForFork3_#t~nondet3_2|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_2|, P1Thread1of1ForFork3_#t~ite6=|v_P1Thread1of1ForFork3_#t~ite6_1|, P1Thread1of1ForFork3_#t~ite10=|v_P1Thread1of1ForFork3_#t~ite10_2|, P1Thread1of1ForFork3_#t~ite5=|v_P1Thread1of1ForFork3_#t~ite5_2|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_2|, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, P1Thread1of1ForFork3_#t~ite15=|v_P1Thread1of1ForFork3_#t~ite15_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_2|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_128, ~weak$$choice0~0=v_~weak$$choice0~0_13, P1Thread1of1ForFork3_#t~ite8=|v_P1Thread1of1ForFork3_#t~ite8_2|, ~y$w_buff1~0=v_~y$w_buff1~0_96, P1Thread1of1ForFork3_#t~ite7=|v_P1Thread1of1ForFork3_#t~ite7_2|, P1Thread1of1ForFork3_#t~ite9=|v_P1Thread1of1ForFork3_#t~ite9_1|, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_175, ~weak$$choice2~0=v_~weak$$choice2~0_84, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_285} AuxVars[|v_P1_#t~ite23_47|, |v_P1_#t~ite22_53|, |v_P1_#t~ite7_45|, |v_P1_#t~ite10_49|, |v_P1_#t~ite5_47|, |v_P1_#t~ite8_43|, |v_P1_#t~ite17_39|, |v_P1_#t~ite11_45|, |v_P1_#t~ite19_63|, |v_P1_#t~ite14_49|, |v_P1_#t~ite13_57|, |v_P1_#t~ite20_57|, |v_P1_#t~ite16_43|] AssignedVars[~y$w_buff0_used~0, P1Thread1of1ForFork3_#t~ite21, P1Thread1of1ForFork3_#t~ite22, P1Thread1of1ForFork3_#t~ite20, P1Thread1of1ForFork3_#t~ite25, P1Thread1of1ForFork3_#t~ite23, P1Thread1of1ForFork3_#t~ite24, ~y$mem_tmp~0, ~__unbuffered_p1_EAX~0, ~y$w_buff0~0, ~y$flush_delayed~0, ~y~0, P1Thread1of1ForFork3_#t~ite17, P1Thread1of1ForFork3_#t~ite16, P1Thread1of1ForFork3_#t~ite19, P1Thread1of1ForFork3_#t~ite18, P1Thread1of1ForFork3_#t~nondet4, P1Thread1of1ForFork3_#t~nondet3, P1Thread1of1ForFork3_#t~ite11, P1Thread1of1ForFork3_#t~ite6, P1Thread1of1ForFork3_#t~ite10, P1Thread1of1ForFork3_#t~ite5, P1Thread1of1ForFork3_#t~ite13, P1Thread1of1ForFork3_#t~ite12, P1Thread1of1ForFork3_#t~ite15, P1Thread1of1ForFork3_#t~ite14, ~y$r_buff1_thd2~0, ~weak$$choice0~0, P1Thread1of1ForFork3_#t~ite8, ~y$w_buff1~0, P1Thread1of1ForFork3_#t~ite7, P1Thread1of1ForFork3_#t~ite9, ~y$r_buff0_thd2~0, ~weak$$choice2~0, ~y$w_buff1_used~0][109], [323#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 18#L865-3true, Black: 189#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 193#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 187#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 109#L811true, 263#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 237#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 61#L786true, P1Thread1of1ForFork3InUse, 126#L763true, Black: 213#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 281#(= ~x~0 1), 99#L844true, Black: 289#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1)), Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 297#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 299#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 291#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 293#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1)), Black: 295#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 287#(and (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~x~0 1)), Black: 231#(= ~a~0 1)]) [2021-12-21 15:02:05,744 INFO L384 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2021-12-21 15:02:05,744 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-12-21 15:02:05,744 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-12-21 15:02:05,744 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-12-21 15:02:05,928 INFO L129 PetriNetUnfolder]: 1087/2823 cut-off events. [2021-12-21 15:02:05,929 INFO L130 PetriNetUnfolder]: For 4930/5678 co-relation queries the response was YES. [2021-12-21 15:02:05,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8026 conditions, 2823 events. 1087/2823 cut-off events. For 4930/5678 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 23374 event pairs, 107 based on Foata normal form. 171/2805 useless extension candidates. Maximal degree in co-relation 8003. Up to 544 conditions per place. [2021-12-21 15:02:05,943 INFO L132 encePairwiseOnDemand]: 127/137 looper letters, 37 selfloop transitions, 21 changer transitions 21/178 dead transitions. [2021-12-21 15:02:05,943 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 178 transitions, 876 flow [2021-12-21 15:02:05,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-21 15:02:05,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-12-21 15:02:05,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1419 transitions. [2021-12-21 15:02:05,946 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8631386861313869 [2021-12-21 15:02:05,946 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1419 transitions. [2021-12-21 15:02:05,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1419 transitions. [2021-12-21 15:02:05,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:02:05,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1419 transitions. [2021-12-21 15:02:05,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 118.25) internal successors, (1419), 12 states have internal predecessors, (1419), 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) [2021-12-21 15:02:05,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 137.0) internal successors, (1781), 13 states have internal predecessors, (1781), 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) [2021-12-21 15:02:05,955 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 137.0) internal successors, (1781), 13 states have internal predecessors, (1781), 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) [2021-12-21 15:02:05,955 INFO L186 Difference]: Start difference. First operand has 155 places, 132 transitions, 457 flow. Second operand 12 states and 1419 transitions. [2021-12-21 15:02:05,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 178 transitions, 876 flow [2021-12-21 15:02:05,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 178 transitions, 830 flow, removed 19 selfloop flow, removed 6 redundant places. [2021-12-21 15:02:05,975 INFO L242 Difference]: Finished difference. Result has 160 places, 135 transitions, 515 flow [2021-12-21 15:02:05,978 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=515, PETRI_PLACES=160, PETRI_TRANSITIONS=135} [2021-12-21 15:02:05,978 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 16 predicate places. [2021-12-21 15:02:05,978 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 135 transitions, 515 flow [2021-12-21 15:02:05,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 113.88888888888889) internal successors, (1025), 9 states have internal predecessors, (1025), 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) [2021-12-21 15:02:05,979 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:02:05,979 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:02:05,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 15:02:05,979 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:02:05,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:02:05,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1861445836, now seen corresponding path program 1 times [2021-12-21 15:02:05,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:02:05,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216212884] [2021-12-21 15:02:05,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:02:05,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:02:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:02:06,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:02:06,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:02:06,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216212884] [2021-12-21 15:02:06,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216212884] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:02:06,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:02:06,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 15:02:06,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524651353] [2021-12-21 15:02:06,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:02:06,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 15:02:06,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:02:06,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 15:02:06,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-21 15:02:06,145 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 137 [2021-12-21 15:02:06,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 135 transitions, 515 flow. Second operand has 9 states, 9 states have (on average 107.11111111111111) internal successors, (964), 9 states have internal predecessors, (964), 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) [2021-12-21 15:02:06,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:02:06,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 137 [2021-12-21 15:02:06,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:02:06,682 INFO L129 PetriNetUnfolder]: 916/2961 cut-off events. [2021-12-21 15:02:06,682 INFO L130 PetriNetUnfolder]: For 5398/5616 co-relation queries the response was YES. [2021-12-21 15:02:06,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8753 conditions, 2961 events. 916/2961 cut-off events. For 5398/5616 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 26808 event pairs, 81 based on Foata normal form. 3/2872 useless extension candidates. Maximal degree in co-relation 8668. Up to 552 conditions per place. [2021-12-21 15:02:06,705 INFO L132 encePairwiseOnDemand]: 122/137 looper letters, 34 selfloop transitions, 24 changer transitions 18/177 dead transitions. [2021-12-21 15:02:06,705 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 177 transitions, 903 flow [2021-12-21 15:02:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 15:02:06,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-21 15:02:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1098 transitions. [2021-12-21 15:02:06,708 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8014598540145985 [2021-12-21 15:02:06,708 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1098 transitions. [2021-12-21 15:02:06,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1098 transitions. [2021-12-21 15:02:06,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:02:06,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1098 transitions. [2021-12-21 15:02:06,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 109.8) internal successors, (1098), 10 states have internal predecessors, (1098), 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) [2021-12-21 15:02:06,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 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) [2021-12-21 15:02:06,714 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 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) [2021-12-21 15:02:06,715 INFO L186 Difference]: Start difference. First operand has 160 places, 135 transitions, 515 flow. Second operand 10 states and 1098 transitions. [2021-12-21 15:02:06,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 177 transitions, 903 flow [2021-12-21 15:02:06,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 177 transitions, 758 flow, removed 60 selfloop flow, removed 12 redundant places. [2021-12-21 15:02:06,744 INFO L242 Difference]: Finished difference. Result has 162 places, 152 transitions, 609 flow [2021-12-21 15:02:06,745 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=609, PETRI_PLACES=162, PETRI_TRANSITIONS=152} [2021-12-21 15:02:06,746 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 18 predicate places. [2021-12-21 15:02:06,746 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 152 transitions, 609 flow [2021-12-21 15:02:06,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 107.11111111111111) internal successors, (964), 9 states have internal predecessors, (964), 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) [2021-12-21 15:02:06,746 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:02:06,746 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:02:06,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 15:02:06,747 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:02:06,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:02:06,747 INFO L85 PathProgramCache]: Analyzing trace with hash 368274850, now seen corresponding path program 2 times [2021-12-21 15:02:06,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:02:06,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391814817] [2021-12-21 15:02:06,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:02:06,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:02:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:02:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:02:06,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:02:06,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391814817] [2021-12-21 15:02:06,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391814817] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:02:06,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:02:06,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 15:02:06,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158087879] [2021-12-21 15:02:06,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:02:06,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 15:02:06,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:02:06,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 15:02:06,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-21 15:02:06,885 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 137 [2021-12-21 15:02:06,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 152 transitions, 609 flow. Second operand has 9 states, 9 states have (on average 112.44444444444444) internal successors, (1012), 9 states have internal predecessors, (1012), 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) [2021-12-21 15:02:06,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:02:06,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 137 [2021-12-21 15:02:06,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:02:07,077 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([931] L770-->L786: Formula: (let ((.cse23 (= (mod v_~y$r_buff1_thd2~0_129 256) 0)) (.cse26 (= (mod v_~y$r_buff0_thd2~0_176 256) 0)) (.cse31 (= (mod v_~y$w_buff1_used~0_286 256) 0))) (let ((.cse11 (= (mod v_~weak$$choice2~0_84 256) 0)) (.cse8 (and .cse26 .cse31)) (.cse10 (and .cse26 .cse23)) (.cse17 (not .cse23)) (.cse2 (not .cse26)) (.cse30 (= (mod v_~y$w_buff0_used~0_366 256) 0)) (.cse9 (= (mod v_~y$w_buff0_used~0_365 256) 0)) (.cse24 (= (mod v_~y$w_buff1_used~0_285 256) 0))) (let ((.cse21 (not .cse24)) (.cse5 (or .cse26 .cse9)) (.cse4 (not .cse9)) (.cse15 (or .cse26 .cse30)) (.cse16 (not .cse30)) (.cse6 (or .cse2 (not .cse31))) (.cse7 (or .cse2 .cse17)) (.cse12 (or .cse30 .cse8 .cse10)) (.cse1 (not .cse11))) (and (= |v_P1Thread1of1ForFork3_#t~nondet4_1| v_~weak$$choice2~0_84) (let ((.cse0 (= |v_P1Thread1of1ForFork3_#t~ite16_1| |v_P1_#t~ite16_43|))) (or (and (= v_~y$w_buff1_used~0_286 v_~y$w_buff1_used~0_285) .cse0 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite17_1| |v_P1_#t~ite17_39|)) (and (or (and (let ((.cse3 (= |v_P1_#t~ite16_43| 0))) (or (and .cse2 .cse3 .cse4) (and .cse5 .cse3))) (= |v_P1_#t~ite17_39| |v_P1_#t~ite16_43|) .cse6 .cse4 .cse7) (and (or .cse8 .cse9 .cse10) .cse0 (= |v_P1_#t~ite17_39| v_~y$w_buff1_used~0_286))) .cse11 (= |v_P1_#t~ite17_39| v_~y$w_buff1_used~0_285)))) (= 0 v_~y$flush_delayed~0_40) (or (and (= v_~y~0_132 v_~y$mem_tmp~0_28) .cse1) (and (= v_~y~0_132 v_~__unbuffered_p1_EAX~0_16) .cse11)) (let ((.cse13 (= |v_P1_#t~ite7_45| |v_P1Thread1of1ForFork3_#t~ite7_1|))) (or (and (or (and .cse12 (= |v_P1_#t~ite8_43| v_~y$w_buff0~0_86) .cse13) (and (= |v_P1_#t~ite8_43| |v_P1_#t~ite7_45|) (let ((.cse14 (= |v_P1_#t~ite7_45| v_~y$w_buff0~0_86))) (or (and .cse14 .cse15) (and .cse14 .cse2 .cse16))) .cse16 .cse6 .cse7)) (= |v_P1_#t~ite8_43| v_~y$w_buff0~0_85) .cse11) (and (= |v_P1_#t~ite8_43| |v_P1Thread1of1ForFork3_#t~ite8_1|) (= v_~y$w_buff0~0_86 v_~y$w_buff0~0_85) .cse1 .cse13))) (let ((.cse22 (= |v_P1Thread1of1ForFork3_#t~ite22_1| |v_P1_#t~ite22_53|))) (or (and (let ((.cse20 (= (mod v_~y$r_buff0_thd2~0_175 256) 0))) (or (let ((.cse18 (not .cse20))) (and (or .cse17 .cse18) (let ((.cse19 (= |v_P1_#t~ite22_53| 0))) (or (and .cse19 (or .cse20 .cse9)) (and .cse19 .cse18 .cse4))) (or .cse21 .cse18) (= |v_P1_#t~ite22_53| |v_P1_#t~ite23_47|) .cse4)) (and .cse22 (or (and .cse20 .cse23) (and .cse20 .cse24) .cse9) (= |v_P1_#t~ite23_47| v_~y$r_buff1_thd2~0_129)))) (= |v_P1_#t~ite23_47| v_~y$r_buff1_thd2~0_128) .cse11) (and .cse22 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite23_1| |v_P1_#t~ite23_47|) (= v_~y$r_buff1_thd2~0_129 v_~y$r_buff1_thd2~0_128)))) (= v_~y~0_134 v_~y$mem_tmp~0_28) (let ((.cse25 (= |v_P1Thread1of1ForFork3_#t~ite19_1| |v_P1_#t~ite19_63|))) (or (and (or (and .cse25 (or .cse9 .cse10 (and .cse26 .cse24)) (= |v_P1_#t~ite20_57| v_~y$r_buff0_thd2~0_176)) (and (= |v_P1_#t~ite19_63| |v_P1_#t~ite20_57|) (or .cse21 .cse2) (or (and .cse5 (= |v_P1_#t~ite19_63| v_~y$r_buff0_thd2~0_176)) (and .cse2 (= |v_P1_#t~ite19_63| 0) .cse4)) .cse4 .cse7)) (= |v_P1_#t~ite20_57| v_~y$r_buff0_thd2~0_175) .cse11) (and (= |v_P1Thread1of1ForFork3_#t~ite20_1| |v_P1_#t~ite20_57|) .cse25 (= v_~y$r_buff0_thd2~0_176 v_~y$r_buff0_thd2~0_175) .cse1))) (or (and .cse12 (= v_~y~0_134 v_~__unbuffered_p1_EAX~0_16) (= |v_P1_#t~ite5_47| |v_P1Thread1of1ForFork3_#t~ite5_1|)) (and (= |v_P1_#t~ite5_47| v_~__unbuffered_p1_EAX~0_16) .cse16 .cse6 (or (and (= |v_P1_#t~ite5_47| v_~y$w_buff1~0_97) .cse15) (and .cse2 .cse16 (= |v_P1_#t~ite5_47| v_~y$w_buff0~0_86))) .cse7)) (let ((.cse28 (= |v_P1Thread1of1ForFork3_#t~ite10_1| |v_P1_#t~ite10_49|))) (or (and (= |v_P1_#t~ite11_45| v_~y$w_buff1~0_96) .cse11 (or (and (= |v_P1_#t~ite10_49| |v_P1_#t~ite11_45|) .cse16 (let ((.cse27 (= |v_P1_#t~ite10_49| v_~y$w_buff1~0_97))) (or (and .cse27 .cse2 .cse16) (and .cse27 .cse15))) .cse6 .cse7) (and .cse12 (= |v_P1_#t~ite11_45| v_~y$w_buff1~0_97) .cse28))) (and (= v_~y$w_buff1~0_97 v_~y$w_buff1~0_96) .cse28 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite11_1| |v_P1_#t~ite11_45|)))) (= |v_P1Thread1of1ForFork3_#t~nondet3_1| v_~weak$$choice0~0_13) (let ((.cse29 (= |v_P1Thread1of1ForFork3_#t~ite13_1| |v_P1_#t~ite13_57|))) (or (and (or (and (= |v_P1_#t~ite13_57| |v_P1_#t~ite14_49|) .cse16 (or (and .cse15 (= |v_P1_#t~ite13_57| v_~y$w_buff0_used~0_366)) (and (= |v_P1_#t~ite13_57| 0) .cse2 .cse16)) .cse6 .cse7) (and .cse12 (= |v_P1_#t~ite14_49| v_~y$w_buff0_used~0_366) .cse29)) (= |v_P1_#t~ite14_49| v_~y$w_buff0_used~0_365) .cse11) (and (= |v_P1Thread1of1ForFork3_#t~ite14_1| |v_P1_#t~ite14_49|) .cse29 .cse1 (= v_~y$w_buff0_used~0_366 v_~y$w_buff0_used~0_365)))))))) InVars {P1Thread1of1ForFork3_#t~ite17=|v_P1Thread1of1ForFork3_#t~ite17_1|, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_1|, P1Thread1of1ForFork3_#t~ite19=|v_P1Thread1of1ForFork3_#t~ite19_1|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_366, P1Thread1of1ForFork3_#t~nondet4=|v_P1Thread1of1ForFork3_#t~nondet4_1|, P1Thread1of1ForFork3_#t~nondet3=|v_P1Thread1of1ForFork3_#t~nondet3_1|, P1Thread1of1ForFork3_#t~ite22=|v_P1Thread1of1ForFork3_#t~ite22_1|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_1|, P1Thread1of1ForFork3_#t~ite5=|v_P1Thread1of1ForFork3_#t~ite5_1|, P1Thread1of1ForFork3_#t~ite20=|v_P1Thread1of1ForFork3_#t~ite20_1|, P1Thread1of1ForFork3_#t~ite10=|v_P1Thread1of1ForFork3_#t~ite10_1|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, P1Thread1of1ForFork3_#t~ite23=|v_P1Thread1of1ForFork3_#t~ite23_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_1|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_129, P1Thread1of1ForFork3_#t~ite8=|v_P1Thread1of1ForFork3_#t~ite8_1|, ~y$w_buff1~0=v_~y$w_buff1~0_97, P1Thread1of1ForFork3_#t~ite7=|v_P1Thread1of1ForFork3_#t~ite7_1|, ~y$w_buff0~0=v_~y$w_buff0~0_86, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_176, ~y~0=v_~y~0_134, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_286} OutVars{~y$w_buff0_used~0=v_~y$w_buff0_used~0_365, P1Thread1of1ForFork3_#t~ite21=|v_P1Thread1of1ForFork3_#t~ite21_1|, P1Thread1of1ForFork3_#t~ite22=|v_P1Thread1of1ForFork3_#t~ite22_2|, P1Thread1of1ForFork3_#t~ite20=|v_P1Thread1of1ForFork3_#t~ite20_2|, P1Thread1of1ForFork3_#t~ite25=|v_P1Thread1of1ForFork3_#t~ite25_1|, P1Thread1of1ForFork3_#t~ite23=|v_P1Thread1of1ForFork3_#t~ite23_2|, P1Thread1of1ForFork3_#t~ite24=|v_P1Thread1of1ForFork3_#t~ite24_1|, ~y$mem_tmp~0=v_~y$mem_tmp~0_28, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_16, ~y$w_buff0~0=v_~y$w_buff0~0_85, ~y$flush_delayed~0=v_~y$flush_delayed~0_40, ~y~0=v_~y~0_132, P1Thread1of1ForFork3_#t~ite17=|v_P1Thread1of1ForFork3_#t~ite17_2|, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_2|, P1Thread1of1ForFork3_#t~ite19=|v_P1Thread1of1ForFork3_#t~ite19_2|, P1Thread1of1ForFork3_#t~ite18=|v_P1Thread1of1ForFork3_#t~ite18_1|, P1Thread1of1ForFork3_#t~nondet4=|v_P1Thread1of1ForFork3_#t~nondet4_2|, P1Thread1of1ForFork3_#t~nondet3=|v_P1Thread1of1ForFork3_#t~nondet3_2|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_2|, P1Thread1of1ForFork3_#t~ite6=|v_P1Thread1of1ForFork3_#t~ite6_1|, P1Thread1of1ForFork3_#t~ite10=|v_P1Thread1of1ForFork3_#t~ite10_2|, P1Thread1of1ForFork3_#t~ite5=|v_P1Thread1of1ForFork3_#t~ite5_2|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_2|, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, P1Thread1of1ForFork3_#t~ite15=|v_P1Thread1of1ForFork3_#t~ite15_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_2|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_128, ~weak$$choice0~0=v_~weak$$choice0~0_13, P1Thread1of1ForFork3_#t~ite8=|v_P1Thread1of1ForFork3_#t~ite8_2|, ~y$w_buff1~0=v_~y$w_buff1~0_96, P1Thread1of1ForFork3_#t~ite7=|v_P1Thread1of1ForFork3_#t~ite7_2|, P1Thread1of1ForFork3_#t~ite9=|v_P1Thread1of1ForFork3_#t~ite9_1|, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_175, ~weak$$choice2~0=v_~weak$$choice2~0_84, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_285} AuxVars[|v_P1_#t~ite23_47|, |v_P1_#t~ite22_53|, |v_P1_#t~ite7_45|, |v_P1_#t~ite10_49|, |v_P1_#t~ite5_47|, |v_P1_#t~ite8_43|, |v_P1_#t~ite17_39|, |v_P1_#t~ite11_45|, |v_P1_#t~ite19_63|, |v_P1_#t~ite14_49|, |v_P1_#t~ite13_57|, |v_P1_#t~ite20_57|, |v_P1_#t~ite16_43|] AssignedVars[~y$w_buff0_used~0, P1Thread1of1ForFork3_#t~ite21, P1Thread1of1ForFork3_#t~ite22, P1Thread1of1ForFork3_#t~ite20, P1Thread1of1ForFork3_#t~ite25, P1Thread1of1ForFork3_#t~ite23, P1Thread1of1ForFork3_#t~ite24, ~y$mem_tmp~0, ~__unbuffered_p1_EAX~0, ~y$w_buff0~0, ~y$flush_delayed~0, ~y~0, P1Thread1of1ForFork3_#t~ite17, P1Thread1of1ForFork3_#t~ite16, P1Thread1of1ForFork3_#t~ite19, P1Thread1of1ForFork3_#t~ite18, P1Thread1of1ForFork3_#t~nondet4, P1Thread1of1ForFork3_#t~nondet3, P1Thread1of1ForFork3_#t~ite11, P1Thread1of1ForFork3_#t~ite6, P1Thread1of1ForFork3_#t~ite10, P1Thread1of1ForFork3_#t~ite5, P1Thread1of1ForFork3_#t~ite13, P1Thread1of1ForFork3_#t~ite12, P1Thread1of1ForFork3_#t~ite15, P1Thread1of1ForFork3_#t~ite14, ~y$r_buff1_thd2~0, ~weak$$choice0~0, P1Thread1of1ForFork3_#t~ite8, ~y$w_buff1~0, P1Thread1of1ForFork3_#t~ite7, P1Thread1of1ForFork3_#t~ite9, ~y$r_buff0_thd2~0, ~weak$$choice2~0, ~y$w_buff1_used~0][136], [18#L865-3true, 370#(= ~y$r_buff0_thd2~0 0), 187#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 109#L811true, Black: 329#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= ~__unbuffered_cnt~0 3) (<= 0 ~main$tmp_guard0~0)), P2Thread1of1ForFork0InUse, Black: 315#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 325#(and (<= ~main$tmp_guard0~0 0) (<= ~__unbuffered_cnt~0 3) (<= 0 ~main$tmp_guard0~0)), Black: 327#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= ~__unbuffered_cnt~0 3) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 231#(= ~a~0 1), Black: 263#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 61#L786true, P1Thread1of1ForFork3InUse, 281#(= ~x~0 1), Black: 213#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 353#(and (= ~z~0 ~y$r_buff0_thd3~0) (= ~y$r_buff0_thd3~0 1) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~y$w_buff0_used~0 1)), 62#L758true, Black: 359#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 351#(and (= ~z~0 1) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), Black: 344#(and (= ~z~0 ~y$r_buff0_thd3~0) (= ~y$r_buff0_thd3~0 1) (= ~y$w_buff0_used~0 1)), Black: 357#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 343#(= ~z~0 1), Black: 355#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0)), 27#L841true, Black: 287#(and (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~x~0 1)), Black: 237#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1))]) [2021-12-21 15:02:07,078 INFO L384 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2021-12-21 15:02:07,078 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-21 15:02:07,078 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-21 15:02:07,078 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-21 15:02:07,254 INFO L129 PetriNetUnfolder]: 635/2734 cut-off events. [2021-12-21 15:02:07,254 INFO L130 PetriNetUnfolder]: For 2421/2591 co-relation queries the response was YES. [2021-12-21 15:02:07,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6733 conditions, 2734 events. 635/2734 cut-off events. For 2421/2591 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 27665 event pairs, 44 based on Foata normal form. 28/2654 useless extension candidates. Maximal degree in co-relation 6708. Up to 383 conditions per place. [2021-12-21 15:02:07,274 INFO L132 encePairwiseOnDemand]: 127/137 looper letters, 30 selfloop transitions, 15 changer transitions 7/172 dead transitions. [2021-12-21 15:02:07,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 172 transitions, 817 flow [2021-12-21 15:02:07,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 15:02:07,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-21 15:02:07,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1139 transitions. [2021-12-21 15:02:07,276 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8313868613138686 [2021-12-21 15:02:07,276 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1139 transitions. [2021-12-21 15:02:07,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1139 transitions. [2021-12-21 15:02:07,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:02:07,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1139 transitions. [2021-12-21 15:02:07,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 113.9) internal successors, (1139), 10 states have internal predecessors, (1139), 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) [2021-12-21 15:02:07,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 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) [2021-12-21 15:02:07,282 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 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) [2021-12-21 15:02:07,282 INFO L186 Difference]: Start difference. First operand has 162 places, 152 transitions, 609 flow. Second operand 10 states and 1139 transitions. [2021-12-21 15:02:07,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 172 transitions, 817 flow [2021-12-21 15:02:07,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 172 transitions, 762 flow, removed 16 selfloop flow, removed 8 redundant places. [2021-12-21 15:02:07,308 INFO L242 Difference]: Finished difference. Result has 166 places, 160 transitions, 683 flow [2021-12-21 15:02:07,309 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=683, PETRI_PLACES=166, PETRI_TRANSITIONS=160} [2021-12-21 15:02:07,310 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 22 predicate places. [2021-12-21 15:02:07,310 INFO L470 AbstractCegarLoop]: Abstraction has has 166 places, 160 transitions, 683 flow [2021-12-21 15:02:07,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 112.44444444444444) internal successors, (1012), 9 states have internal predecessors, (1012), 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) [2021-12-21 15:02:07,310 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:02:07,310 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:02:07,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 15:02:07,311 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:02:07,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:02:07,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1266678160, now seen corresponding path program 3 times [2021-12-21 15:02:07,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:02:07,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957363597] [2021-12-21 15:02:07,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:02:07,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:02:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:02:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:02:07,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:02:07,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957363597] [2021-12-21 15:02:07,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957363597] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:02:07,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:02:07,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-21 15:02:07,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623155545] [2021-12-21 15:02:07,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:02:07,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-21 15:02:07,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:02:07,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-21 15:02:07,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:02:07,490 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 137 [2021-12-21 15:02:07,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 160 transitions, 683 flow. Second operand has 11 states, 11 states have (on average 110.18181818181819) internal successors, (1212), 11 states have internal predecessors, (1212), 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) [2021-12-21 15:02:07,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:02:07,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 137 [2021-12-21 15:02:07,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:02:07,654 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([931] L770-->L786: Formula: (let ((.cse23 (= (mod v_~y$r_buff1_thd2~0_129 256) 0)) (.cse26 (= (mod v_~y$r_buff0_thd2~0_176 256) 0)) (.cse31 (= (mod v_~y$w_buff1_used~0_286 256) 0))) (let ((.cse11 (= (mod v_~weak$$choice2~0_84 256) 0)) (.cse8 (and .cse26 .cse31)) (.cse10 (and .cse26 .cse23)) (.cse17 (not .cse23)) (.cse2 (not .cse26)) (.cse30 (= (mod v_~y$w_buff0_used~0_366 256) 0)) (.cse9 (= (mod v_~y$w_buff0_used~0_365 256) 0)) (.cse24 (= (mod v_~y$w_buff1_used~0_285 256) 0))) (let ((.cse21 (not .cse24)) (.cse5 (or .cse26 .cse9)) (.cse4 (not .cse9)) (.cse15 (or .cse26 .cse30)) (.cse16 (not .cse30)) (.cse6 (or .cse2 (not .cse31))) (.cse7 (or .cse2 .cse17)) (.cse12 (or .cse30 .cse8 .cse10)) (.cse1 (not .cse11))) (and (= |v_P1Thread1of1ForFork3_#t~nondet4_1| v_~weak$$choice2~0_84) (let ((.cse0 (= |v_P1Thread1of1ForFork3_#t~ite16_1| |v_P1_#t~ite16_43|))) (or (and (= v_~y$w_buff1_used~0_286 v_~y$w_buff1_used~0_285) .cse0 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite17_1| |v_P1_#t~ite17_39|)) (and (or (and (let ((.cse3 (= |v_P1_#t~ite16_43| 0))) (or (and .cse2 .cse3 .cse4) (and .cse5 .cse3))) (= |v_P1_#t~ite17_39| |v_P1_#t~ite16_43|) .cse6 .cse4 .cse7) (and (or .cse8 .cse9 .cse10) .cse0 (= |v_P1_#t~ite17_39| v_~y$w_buff1_used~0_286))) .cse11 (= |v_P1_#t~ite17_39| v_~y$w_buff1_used~0_285)))) (= 0 v_~y$flush_delayed~0_40) (or (and (= v_~y~0_132 v_~y$mem_tmp~0_28) .cse1) (and (= v_~y~0_132 v_~__unbuffered_p1_EAX~0_16) .cse11)) (let ((.cse13 (= |v_P1_#t~ite7_45| |v_P1Thread1of1ForFork3_#t~ite7_1|))) (or (and (or (and .cse12 (= |v_P1_#t~ite8_43| v_~y$w_buff0~0_86) .cse13) (and (= |v_P1_#t~ite8_43| |v_P1_#t~ite7_45|) (let ((.cse14 (= |v_P1_#t~ite7_45| v_~y$w_buff0~0_86))) (or (and .cse14 .cse15) (and .cse14 .cse2 .cse16))) .cse16 .cse6 .cse7)) (= |v_P1_#t~ite8_43| v_~y$w_buff0~0_85) .cse11) (and (= |v_P1_#t~ite8_43| |v_P1Thread1of1ForFork3_#t~ite8_1|) (= v_~y$w_buff0~0_86 v_~y$w_buff0~0_85) .cse1 .cse13))) (let ((.cse22 (= |v_P1Thread1of1ForFork3_#t~ite22_1| |v_P1_#t~ite22_53|))) (or (and (let ((.cse20 (= (mod v_~y$r_buff0_thd2~0_175 256) 0))) (or (let ((.cse18 (not .cse20))) (and (or .cse17 .cse18) (let ((.cse19 (= |v_P1_#t~ite22_53| 0))) (or (and .cse19 (or .cse20 .cse9)) (and .cse19 .cse18 .cse4))) (or .cse21 .cse18) (= |v_P1_#t~ite22_53| |v_P1_#t~ite23_47|) .cse4)) (and .cse22 (or (and .cse20 .cse23) (and .cse20 .cse24) .cse9) (= |v_P1_#t~ite23_47| v_~y$r_buff1_thd2~0_129)))) (= |v_P1_#t~ite23_47| v_~y$r_buff1_thd2~0_128) .cse11) (and .cse22 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite23_1| |v_P1_#t~ite23_47|) (= v_~y$r_buff1_thd2~0_129 v_~y$r_buff1_thd2~0_128)))) (= v_~y~0_134 v_~y$mem_tmp~0_28) (let ((.cse25 (= |v_P1Thread1of1ForFork3_#t~ite19_1| |v_P1_#t~ite19_63|))) (or (and (or (and .cse25 (or .cse9 .cse10 (and .cse26 .cse24)) (= |v_P1_#t~ite20_57| v_~y$r_buff0_thd2~0_176)) (and (= |v_P1_#t~ite19_63| |v_P1_#t~ite20_57|) (or .cse21 .cse2) (or (and .cse5 (= |v_P1_#t~ite19_63| v_~y$r_buff0_thd2~0_176)) (and .cse2 (= |v_P1_#t~ite19_63| 0) .cse4)) .cse4 .cse7)) (= |v_P1_#t~ite20_57| v_~y$r_buff0_thd2~0_175) .cse11) (and (= |v_P1Thread1of1ForFork3_#t~ite20_1| |v_P1_#t~ite20_57|) .cse25 (= v_~y$r_buff0_thd2~0_176 v_~y$r_buff0_thd2~0_175) .cse1))) (or (and .cse12 (= v_~y~0_134 v_~__unbuffered_p1_EAX~0_16) (= |v_P1_#t~ite5_47| |v_P1Thread1of1ForFork3_#t~ite5_1|)) (and (= |v_P1_#t~ite5_47| v_~__unbuffered_p1_EAX~0_16) .cse16 .cse6 (or (and (= |v_P1_#t~ite5_47| v_~y$w_buff1~0_97) .cse15) (and .cse2 .cse16 (= |v_P1_#t~ite5_47| v_~y$w_buff0~0_86))) .cse7)) (let ((.cse28 (= |v_P1Thread1of1ForFork3_#t~ite10_1| |v_P1_#t~ite10_49|))) (or (and (= |v_P1_#t~ite11_45| v_~y$w_buff1~0_96) .cse11 (or (and (= |v_P1_#t~ite10_49| |v_P1_#t~ite11_45|) .cse16 (let ((.cse27 (= |v_P1_#t~ite10_49| v_~y$w_buff1~0_97))) (or (and .cse27 .cse2 .cse16) (and .cse27 .cse15))) .cse6 .cse7) (and .cse12 (= |v_P1_#t~ite11_45| v_~y$w_buff1~0_97) .cse28))) (and (= v_~y$w_buff1~0_97 v_~y$w_buff1~0_96) .cse28 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite11_1| |v_P1_#t~ite11_45|)))) (= |v_P1Thread1of1ForFork3_#t~nondet3_1| v_~weak$$choice0~0_13) (let ((.cse29 (= |v_P1Thread1of1ForFork3_#t~ite13_1| |v_P1_#t~ite13_57|))) (or (and (or (and (= |v_P1_#t~ite13_57| |v_P1_#t~ite14_49|) .cse16 (or (and .cse15 (= |v_P1_#t~ite13_57| v_~y$w_buff0_used~0_366)) (and (= |v_P1_#t~ite13_57| 0) .cse2 .cse16)) .cse6 .cse7) (and .cse12 (= |v_P1_#t~ite14_49| v_~y$w_buff0_used~0_366) .cse29)) (= |v_P1_#t~ite14_49| v_~y$w_buff0_used~0_365) .cse11) (and (= |v_P1Thread1of1ForFork3_#t~ite14_1| |v_P1_#t~ite14_49|) .cse29 .cse1 (= v_~y$w_buff0_used~0_366 v_~y$w_buff0_used~0_365)))))))) InVars {P1Thread1of1ForFork3_#t~ite17=|v_P1Thread1of1ForFork3_#t~ite17_1|, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_1|, P1Thread1of1ForFork3_#t~ite19=|v_P1Thread1of1ForFork3_#t~ite19_1|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_366, P1Thread1of1ForFork3_#t~nondet4=|v_P1Thread1of1ForFork3_#t~nondet4_1|, P1Thread1of1ForFork3_#t~nondet3=|v_P1Thread1of1ForFork3_#t~nondet3_1|, P1Thread1of1ForFork3_#t~ite22=|v_P1Thread1of1ForFork3_#t~ite22_1|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_1|, P1Thread1of1ForFork3_#t~ite5=|v_P1Thread1of1ForFork3_#t~ite5_1|, P1Thread1of1ForFork3_#t~ite20=|v_P1Thread1of1ForFork3_#t~ite20_1|, P1Thread1of1ForFork3_#t~ite10=|v_P1Thread1of1ForFork3_#t~ite10_1|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, P1Thread1of1ForFork3_#t~ite23=|v_P1Thread1of1ForFork3_#t~ite23_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_1|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_129, P1Thread1of1ForFork3_#t~ite8=|v_P1Thread1of1ForFork3_#t~ite8_1|, ~y$w_buff1~0=v_~y$w_buff1~0_97, P1Thread1of1ForFork3_#t~ite7=|v_P1Thread1of1ForFork3_#t~ite7_1|, ~y$w_buff0~0=v_~y$w_buff0~0_86, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_176, ~y~0=v_~y~0_134, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_286} OutVars{~y$w_buff0_used~0=v_~y$w_buff0_used~0_365, P1Thread1of1ForFork3_#t~ite21=|v_P1Thread1of1ForFork3_#t~ite21_1|, P1Thread1of1ForFork3_#t~ite22=|v_P1Thread1of1ForFork3_#t~ite22_2|, P1Thread1of1ForFork3_#t~ite20=|v_P1Thread1of1ForFork3_#t~ite20_2|, P1Thread1of1ForFork3_#t~ite25=|v_P1Thread1of1ForFork3_#t~ite25_1|, P1Thread1of1ForFork3_#t~ite23=|v_P1Thread1of1ForFork3_#t~ite23_2|, P1Thread1of1ForFork3_#t~ite24=|v_P1Thread1of1ForFork3_#t~ite24_1|, ~y$mem_tmp~0=v_~y$mem_tmp~0_28, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_16, ~y$w_buff0~0=v_~y$w_buff0~0_85, ~y$flush_delayed~0=v_~y$flush_delayed~0_40, ~y~0=v_~y~0_132, P1Thread1of1ForFork3_#t~ite17=|v_P1Thread1of1ForFork3_#t~ite17_2|, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_2|, P1Thread1of1ForFork3_#t~ite19=|v_P1Thread1of1ForFork3_#t~ite19_2|, P1Thread1of1ForFork3_#t~ite18=|v_P1Thread1of1ForFork3_#t~ite18_1|, P1Thread1of1ForFork3_#t~nondet4=|v_P1Thread1of1ForFork3_#t~nondet4_2|, P1Thread1of1ForFork3_#t~nondet3=|v_P1Thread1of1ForFork3_#t~nondet3_2|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_2|, P1Thread1of1ForFork3_#t~ite6=|v_P1Thread1of1ForFork3_#t~ite6_1|, P1Thread1of1ForFork3_#t~ite10=|v_P1Thread1of1ForFork3_#t~ite10_2|, P1Thread1of1ForFork3_#t~ite5=|v_P1Thread1of1ForFork3_#t~ite5_2|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_2|, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, P1Thread1of1ForFork3_#t~ite15=|v_P1Thread1of1ForFork3_#t~ite15_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_2|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_128, ~weak$$choice0~0=v_~weak$$choice0~0_13, P1Thread1of1ForFork3_#t~ite8=|v_P1Thread1of1ForFork3_#t~ite8_2|, ~y$w_buff1~0=v_~y$w_buff1~0_96, P1Thread1of1ForFork3_#t~ite7=|v_P1Thread1of1ForFork3_#t~ite7_2|, P1Thread1of1ForFork3_#t~ite9=|v_P1Thread1of1ForFork3_#t~ite9_1|, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_175, ~weak$$choice2~0=v_~weak$$choice2~0_84, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_285} AuxVars[|v_P1_#t~ite23_47|, |v_P1_#t~ite22_53|, |v_P1_#t~ite7_45|, |v_P1_#t~ite10_49|, |v_P1_#t~ite5_47|, |v_P1_#t~ite8_43|, |v_P1_#t~ite17_39|, |v_P1_#t~ite11_45|, |v_P1_#t~ite19_63|, |v_P1_#t~ite14_49|, |v_P1_#t~ite13_57|, |v_P1_#t~ite20_57|, |v_P1_#t~ite16_43|] AssignedVars[~y$w_buff0_used~0, P1Thread1of1ForFork3_#t~ite21, P1Thread1of1ForFork3_#t~ite22, P1Thread1of1ForFork3_#t~ite20, P1Thread1of1ForFork3_#t~ite25, P1Thread1of1ForFork3_#t~ite23, P1Thread1of1ForFork3_#t~ite24, ~y$mem_tmp~0, ~__unbuffered_p1_EAX~0, ~y$w_buff0~0, ~y$flush_delayed~0, ~y~0, P1Thread1of1ForFork3_#t~ite17, P1Thread1of1ForFork3_#t~ite16, P1Thread1of1ForFork3_#t~ite19, P1Thread1of1ForFork3_#t~ite18, P1Thread1of1ForFork3_#t~nondet4, P1Thread1of1ForFork3_#t~nondet3, P1Thread1of1ForFork3_#t~ite11, P1Thread1of1ForFork3_#t~ite6, P1Thread1of1ForFork3_#t~ite10, P1Thread1of1ForFork3_#t~ite5, P1Thread1of1ForFork3_#t~ite13, P1Thread1of1ForFork3_#t~ite12, P1Thread1of1ForFork3_#t~ite15, P1Thread1of1ForFork3_#t~ite14, ~y$r_buff1_thd2~0, ~weak$$choice0~0, P1Thread1of1ForFork3_#t~ite8, ~y$w_buff1~0, P1Thread1of1ForFork3_#t~ite7, P1Thread1of1ForFork3_#t~ite9, ~y$r_buff0_thd2~0, ~weak$$choice2~0, ~y$w_buff1_used~0][128], [42#L828true, 18#L865-3true, 407#(and (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff1_thd4~0 0) (= ~y$r_buff0_thd2~0 0) (not (= ~__unbuffered_p1_EAX~0 0)) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd4~0 0) (not (= ~y~0 0))), Black: 382#(and (= ~__unbuffered_p1_EAX~0 1) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 372#(and (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y~0 1)), Black: 380#(and (= ~__unbuffered_p1_EAX~0 1) (= ~y$r_buff0_thd2~0 0)), Black: 384#(and (= ~__unbuffered_p1_EAX~0 1) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 386#(and (= ~__unbuffered_p1_EAX~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 371#(and (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$r_buff0_thd3~0 1) (= ~y$w_buff0~0 1) (= ~y$w_buff0_used~0 1)), 187#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 329#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= ~__unbuffered_cnt~0 3) (<= 0 ~main$tmp_guard0~0)), P2Thread1of1ForFork0InUse, Black: 315#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 325#(and (<= ~main$tmp_guard0~0 0) (<= ~__unbuffered_cnt~0 3) (<= 0 ~main$tmp_guard0~0)), Black: 327#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= ~__unbuffered_cnt~0 3) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 61#L786true, 231#(= ~a~0 1), P1Thread1of1ForFork3InUse, 281#(= ~x~0 1), 378#(and (= ~__unbuffered_p1_EAX~0 1) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y~0 1)), Black: 353#(and (= ~z~0 ~y$r_buff0_thd3~0) (= ~y$r_buff0_thd3~0 1) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~y$w_buff0_used~0 1)), 62#L758true, Black: 351#(and (= ~z~0 1) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), Black: 344#(and (= ~z~0 ~y$r_buff0_thd3~0) (= ~y$r_buff0_thd3~0 1) (= ~y$w_buff0_used~0 1)), 343#(= ~z~0 1), 40#L818true, Black: 287#(and (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~x~0 1))]) [2021-12-21 15:02:07,655 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is not cut-off event [2021-12-21 15:02:07,655 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is not cut-off event [2021-12-21 15:02:07,655 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is not cut-off event [2021-12-21 15:02:07,655 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is not cut-off event [2021-12-21 15:02:07,684 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([931] L770-->L786: Formula: (let ((.cse23 (= (mod v_~y$r_buff1_thd2~0_129 256) 0)) (.cse26 (= (mod v_~y$r_buff0_thd2~0_176 256) 0)) (.cse31 (= (mod v_~y$w_buff1_used~0_286 256) 0))) (let ((.cse11 (= (mod v_~weak$$choice2~0_84 256) 0)) (.cse8 (and .cse26 .cse31)) (.cse10 (and .cse26 .cse23)) (.cse17 (not .cse23)) (.cse2 (not .cse26)) (.cse30 (= (mod v_~y$w_buff0_used~0_366 256) 0)) (.cse9 (= (mod v_~y$w_buff0_used~0_365 256) 0)) (.cse24 (= (mod v_~y$w_buff1_used~0_285 256) 0))) (let ((.cse21 (not .cse24)) (.cse5 (or .cse26 .cse9)) (.cse4 (not .cse9)) (.cse15 (or .cse26 .cse30)) (.cse16 (not .cse30)) (.cse6 (or .cse2 (not .cse31))) (.cse7 (or .cse2 .cse17)) (.cse12 (or .cse30 .cse8 .cse10)) (.cse1 (not .cse11))) (and (= |v_P1Thread1of1ForFork3_#t~nondet4_1| v_~weak$$choice2~0_84) (let ((.cse0 (= |v_P1Thread1of1ForFork3_#t~ite16_1| |v_P1_#t~ite16_43|))) (or (and (= v_~y$w_buff1_used~0_286 v_~y$w_buff1_used~0_285) .cse0 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite17_1| |v_P1_#t~ite17_39|)) (and (or (and (let ((.cse3 (= |v_P1_#t~ite16_43| 0))) (or (and .cse2 .cse3 .cse4) (and .cse5 .cse3))) (= |v_P1_#t~ite17_39| |v_P1_#t~ite16_43|) .cse6 .cse4 .cse7) (and (or .cse8 .cse9 .cse10) .cse0 (= |v_P1_#t~ite17_39| v_~y$w_buff1_used~0_286))) .cse11 (= |v_P1_#t~ite17_39| v_~y$w_buff1_used~0_285)))) (= 0 v_~y$flush_delayed~0_40) (or (and (= v_~y~0_132 v_~y$mem_tmp~0_28) .cse1) (and (= v_~y~0_132 v_~__unbuffered_p1_EAX~0_16) .cse11)) (let ((.cse13 (= |v_P1_#t~ite7_45| |v_P1Thread1of1ForFork3_#t~ite7_1|))) (or (and (or (and .cse12 (= |v_P1_#t~ite8_43| v_~y$w_buff0~0_86) .cse13) (and (= |v_P1_#t~ite8_43| |v_P1_#t~ite7_45|) (let ((.cse14 (= |v_P1_#t~ite7_45| v_~y$w_buff0~0_86))) (or (and .cse14 .cse15) (and .cse14 .cse2 .cse16))) .cse16 .cse6 .cse7)) (= |v_P1_#t~ite8_43| v_~y$w_buff0~0_85) .cse11) (and (= |v_P1_#t~ite8_43| |v_P1Thread1of1ForFork3_#t~ite8_1|) (= v_~y$w_buff0~0_86 v_~y$w_buff0~0_85) .cse1 .cse13))) (let ((.cse22 (= |v_P1Thread1of1ForFork3_#t~ite22_1| |v_P1_#t~ite22_53|))) (or (and (let ((.cse20 (= (mod v_~y$r_buff0_thd2~0_175 256) 0))) (or (let ((.cse18 (not .cse20))) (and (or .cse17 .cse18) (let ((.cse19 (= |v_P1_#t~ite22_53| 0))) (or (and .cse19 (or .cse20 .cse9)) (and .cse19 .cse18 .cse4))) (or .cse21 .cse18) (= |v_P1_#t~ite22_53| |v_P1_#t~ite23_47|) .cse4)) (and .cse22 (or (and .cse20 .cse23) (and .cse20 .cse24) .cse9) (= |v_P1_#t~ite23_47| v_~y$r_buff1_thd2~0_129)))) (= |v_P1_#t~ite23_47| v_~y$r_buff1_thd2~0_128) .cse11) (and .cse22 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite23_1| |v_P1_#t~ite23_47|) (= v_~y$r_buff1_thd2~0_129 v_~y$r_buff1_thd2~0_128)))) (= v_~y~0_134 v_~y$mem_tmp~0_28) (let ((.cse25 (= |v_P1Thread1of1ForFork3_#t~ite19_1| |v_P1_#t~ite19_63|))) (or (and (or (and .cse25 (or .cse9 .cse10 (and .cse26 .cse24)) (= |v_P1_#t~ite20_57| v_~y$r_buff0_thd2~0_176)) (and (= |v_P1_#t~ite19_63| |v_P1_#t~ite20_57|) (or .cse21 .cse2) (or (and .cse5 (= |v_P1_#t~ite19_63| v_~y$r_buff0_thd2~0_176)) (and .cse2 (= |v_P1_#t~ite19_63| 0) .cse4)) .cse4 .cse7)) (= |v_P1_#t~ite20_57| v_~y$r_buff0_thd2~0_175) .cse11) (and (= |v_P1Thread1of1ForFork3_#t~ite20_1| |v_P1_#t~ite20_57|) .cse25 (= v_~y$r_buff0_thd2~0_176 v_~y$r_buff0_thd2~0_175) .cse1))) (or (and .cse12 (= v_~y~0_134 v_~__unbuffered_p1_EAX~0_16) (= |v_P1_#t~ite5_47| |v_P1Thread1of1ForFork3_#t~ite5_1|)) (and (= |v_P1_#t~ite5_47| v_~__unbuffered_p1_EAX~0_16) .cse16 .cse6 (or (and (= |v_P1_#t~ite5_47| v_~y$w_buff1~0_97) .cse15) (and .cse2 .cse16 (= |v_P1_#t~ite5_47| v_~y$w_buff0~0_86))) .cse7)) (let ((.cse28 (= |v_P1Thread1of1ForFork3_#t~ite10_1| |v_P1_#t~ite10_49|))) (or (and (= |v_P1_#t~ite11_45| v_~y$w_buff1~0_96) .cse11 (or (and (= |v_P1_#t~ite10_49| |v_P1_#t~ite11_45|) .cse16 (let ((.cse27 (= |v_P1_#t~ite10_49| v_~y$w_buff1~0_97))) (or (and .cse27 .cse2 .cse16) (and .cse27 .cse15))) .cse6 .cse7) (and .cse12 (= |v_P1_#t~ite11_45| v_~y$w_buff1~0_97) .cse28))) (and (= v_~y$w_buff1~0_97 v_~y$w_buff1~0_96) .cse28 .cse1 (= |v_P1Thread1of1ForFork3_#t~ite11_1| |v_P1_#t~ite11_45|)))) (= |v_P1Thread1of1ForFork3_#t~nondet3_1| v_~weak$$choice0~0_13) (let ((.cse29 (= |v_P1Thread1of1ForFork3_#t~ite13_1| |v_P1_#t~ite13_57|))) (or (and (or (and (= |v_P1_#t~ite13_57| |v_P1_#t~ite14_49|) .cse16 (or (and .cse15 (= |v_P1_#t~ite13_57| v_~y$w_buff0_used~0_366)) (and (= |v_P1_#t~ite13_57| 0) .cse2 .cse16)) .cse6 .cse7) (and .cse12 (= |v_P1_#t~ite14_49| v_~y$w_buff0_used~0_366) .cse29)) (= |v_P1_#t~ite14_49| v_~y$w_buff0_used~0_365) .cse11) (and (= |v_P1Thread1of1ForFork3_#t~ite14_1| |v_P1_#t~ite14_49|) .cse29 .cse1 (= v_~y$w_buff0_used~0_366 v_~y$w_buff0_used~0_365)))))))) InVars {P1Thread1of1ForFork3_#t~ite17=|v_P1Thread1of1ForFork3_#t~ite17_1|, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_1|, P1Thread1of1ForFork3_#t~ite19=|v_P1Thread1of1ForFork3_#t~ite19_1|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_366, P1Thread1of1ForFork3_#t~nondet4=|v_P1Thread1of1ForFork3_#t~nondet4_1|, P1Thread1of1ForFork3_#t~nondet3=|v_P1Thread1of1ForFork3_#t~nondet3_1|, P1Thread1of1ForFork3_#t~ite22=|v_P1Thread1of1ForFork3_#t~ite22_1|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_1|, P1Thread1of1ForFork3_#t~ite5=|v_P1Thread1of1ForFork3_#t~ite5_1|, P1Thread1of1ForFork3_#t~ite20=|v_P1Thread1of1ForFork3_#t~ite20_1|, P1Thread1of1ForFork3_#t~ite10=|v_P1Thread1of1ForFork3_#t~ite10_1|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, P1Thread1of1ForFork3_#t~ite23=|v_P1Thread1of1ForFork3_#t~ite23_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_1|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_129, P1Thread1of1ForFork3_#t~ite8=|v_P1Thread1of1ForFork3_#t~ite8_1|, ~y$w_buff1~0=v_~y$w_buff1~0_97, P1Thread1of1ForFork3_#t~ite7=|v_P1Thread1of1ForFork3_#t~ite7_1|, ~y$w_buff0~0=v_~y$w_buff0~0_86, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_176, ~y~0=v_~y~0_134, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_286} OutVars{~y$w_buff0_used~0=v_~y$w_buff0_used~0_365, P1Thread1of1ForFork3_#t~ite21=|v_P1Thread1of1ForFork3_#t~ite21_1|, P1Thread1of1ForFork3_#t~ite22=|v_P1Thread1of1ForFork3_#t~ite22_2|, P1Thread1of1ForFork3_#t~ite20=|v_P1Thread1of1ForFork3_#t~ite20_2|, P1Thread1of1ForFork3_#t~ite25=|v_P1Thread1of1ForFork3_#t~ite25_1|, P1Thread1of1ForFork3_#t~ite23=|v_P1Thread1of1ForFork3_#t~ite23_2|, P1Thread1of1ForFork3_#t~ite24=|v_P1Thread1of1ForFork3_#t~ite24_1|, ~y$mem_tmp~0=v_~y$mem_tmp~0_28, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_16, ~y$w_buff0~0=v_~y$w_buff0~0_85, ~y$flush_delayed~0=v_~y$flush_delayed~0_40, ~y~0=v_~y~0_132, P1Thread1of1ForFork3_#t~ite17=|v_P1Thread1of1ForFork3_#t~ite17_2|, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_2|, P1Thread1of1ForFork3_#t~ite19=|v_P1Thread1of1ForFork3_#t~ite19_2|, P1Thread1of1ForFork3_#t~ite18=|v_P1Thread1of1ForFork3_#t~ite18_1|, P1Thread1of1ForFork3_#t~nondet4=|v_P1Thread1of1ForFork3_#t~nondet4_2|, P1Thread1of1ForFork3_#t~nondet3=|v_P1Thread1of1ForFork3_#t~nondet3_2|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_2|, P1Thread1of1ForFork3_#t~ite6=|v_P1Thread1of1ForFork3_#t~ite6_1|, P1Thread1of1ForFork3_#t~ite10=|v_P1Thread1of1ForFork3_#t~ite10_2|, P1Thread1of1ForFork3_#t~ite5=|v_P1Thread1of1ForFork3_#t~ite5_2|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_2|, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, P1Thread1of1ForFork3_#t~ite15=|v_P1Thread1of1ForFork3_#t~ite15_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_2|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_128, ~weak$$choice0~0=v_~weak$$choice0~0_13, P1Thread1of1ForFork3_#t~ite8=|v_P1Thread1of1ForFork3_#t~ite8_2|, ~y$w_buff1~0=v_~y$w_buff1~0_96, P1Thread1of1ForFork3_#t~ite7=|v_P1Thread1of1ForFork3_#t~ite7_2|, P1Thread1of1ForFork3_#t~ite9=|v_P1Thread1of1ForFork3_#t~ite9_1|, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_175, ~weak$$choice2~0=v_~weak$$choice2~0_84, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_285} AuxVars[|v_P1_#t~ite23_47|, |v_P1_#t~ite22_53|, |v_P1_#t~ite7_45|, |v_P1_#t~ite10_49|, |v_P1_#t~ite5_47|, |v_P1_#t~ite8_43|, |v_P1_#t~ite17_39|, |v_P1_#t~ite11_45|, |v_P1_#t~ite19_63|, |v_P1_#t~ite14_49|, |v_P1_#t~ite13_57|, |v_P1_#t~ite20_57|, |v_P1_#t~ite16_43|] AssignedVars[~y$w_buff0_used~0, P1Thread1of1ForFork3_#t~ite21, P1Thread1of1ForFork3_#t~ite22, P1Thread1of1ForFork3_#t~ite20, P1Thread1of1ForFork3_#t~ite25, P1Thread1of1ForFork3_#t~ite23, P1Thread1of1ForFork3_#t~ite24, ~y$mem_tmp~0, ~__unbuffered_p1_EAX~0, ~y$w_buff0~0, ~y$flush_delayed~0, ~y~0, P1Thread1of1ForFork3_#t~ite17, P1Thread1of1ForFork3_#t~ite16, P1Thread1of1ForFork3_#t~ite19, P1Thread1of1ForFork3_#t~ite18, P1Thread1of1ForFork3_#t~nondet4, P1Thread1of1ForFork3_#t~nondet3, P1Thread1of1ForFork3_#t~ite11, P1Thread1of1ForFork3_#t~ite6, P1Thread1of1ForFork3_#t~ite10, P1Thread1of1ForFork3_#t~ite5, P1Thread1of1ForFork3_#t~ite13, P1Thread1of1ForFork3_#t~ite12, P1Thread1of1ForFork3_#t~ite15, P1Thread1of1ForFork3_#t~ite14, ~y$r_buff1_thd2~0, ~weak$$choice0~0, P1Thread1of1ForFork3_#t~ite8, ~y$w_buff1~0, P1Thread1of1ForFork3_#t~ite7, P1Thread1of1ForFork3_#t~ite9, ~y$r_buff0_thd2~0, ~weak$$choice2~0, ~y$w_buff1_used~0][121], [18#L865-3true, Black: 378#(and (= ~__unbuffered_p1_EAX~0 1) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y~0 1)), 370#(= ~y$r_buff0_thd2~0 0), Black: 382#(and (= ~__unbuffered_p1_EAX~0 1) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 372#(and (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y~0 1)), Black: 380#(and (= ~__unbuffered_p1_EAX~0 1) (= ~y$r_buff0_thd2~0 0)), Black: 384#(and (= ~__unbuffered_p1_EAX~0 1) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 386#(and (= ~__unbuffered_p1_EAX~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 371#(and (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$r_buff0_thd3~0 1) (= ~y$w_buff0~0 1) (= ~y$w_buff0_used~0 1)), 109#L811true, 187#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 329#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= ~__unbuffered_cnt~0 3) (<= 0 ~main$tmp_guard0~0)), P2Thread1of1ForFork0InUse, Black: 315#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 325#(and (<= ~main$tmp_guard0~0 0) (<= ~__unbuffered_cnt~0 3) (<= 0 ~main$tmp_guard0~0)), Black: 327#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= ~__unbuffered_cnt~0 3) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 231#(= ~a~0 1), 61#L786true, P1Thread1of1ForFork3InUse, 281#(= ~x~0 1), 399#(and (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff1_thd4~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$r_buff0_thd4~0 0) (= ~y$r_buff0_thd3~0 1) (= ~y$w_buff0~0 ~y$r_buff0_thd3~0) (= ~y$w_buff0_used~0 1)), Black: 353#(and (= ~z~0 ~y$r_buff0_thd3~0) (= ~y$r_buff0_thd3~0 1) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~y$w_buff0_used~0 1)), 62#L758true, Black: 351#(and (= ~z~0 1) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), Black: 344#(and (= ~z~0 ~y$r_buff0_thd3~0) (= ~y$r_buff0_thd3~0 1) (= ~y$w_buff0_used~0 1)), 343#(= ~z~0 1), 27#L841true, Black: 287#(and (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~x~0 1))]) [2021-12-21 15:02:07,684 INFO L384 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2021-12-21 15:02:07,684 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-21 15:02:07,684 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-21 15:02:07,684 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-21 15:02:07,869 INFO L129 PetriNetUnfolder]: 663/2882 cut-off events. [2021-12-21 15:02:07,869 INFO L130 PetriNetUnfolder]: For 2764/2899 co-relation queries the response was YES. [2021-12-21 15:02:07,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6582 conditions, 2882 events. 663/2882 cut-off events. For 2764/2899 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 29587 event pairs, 43 based on Foata normal form. 48/2812 useless extension candidates. Maximal degree in co-relation 6556. Up to 384 conditions per place. [2021-12-21 15:02:07,888 INFO L132 encePairwiseOnDemand]: 127/137 looper letters, 31 selfloop transitions, 14 changer transitions 10/173 dead transitions. [2021-12-21 15:02:07,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 173 transitions, 873 flow [2021-12-21 15:02:07,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 15:02:07,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-21 15:02:07,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1226 transitions. [2021-12-21 15:02:07,891 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8135368281353683 [2021-12-21 15:02:07,891 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1226 transitions. [2021-12-21 15:02:07,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1226 transitions. [2021-12-21 15:02:07,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:02:07,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1226 transitions. [2021-12-21 15:02:07,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 111.45454545454545) internal successors, (1226), 11 states have internal predecessors, (1226), 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) [2021-12-21 15:02:07,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 137.0) internal successors, (1644), 12 states have internal predecessors, (1644), 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) [2021-12-21 15:02:07,896 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 137.0) internal successors, (1644), 12 states have internal predecessors, (1644), 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) [2021-12-21 15:02:07,896 INFO L186 Difference]: Start difference. First operand has 166 places, 160 transitions, 683 flow. Second operand 11 states and 1226 transitions. [2021-12-21 15:02:07,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 173 transitions, 873 flow [2021-12-21 15:02:07,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 173 transitions, 856 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-12-21 15:02:07,914 INFO L242 Difference]: Finished difference. Result has 174 places, 160 transitions, 722 flow [2021-12-21 15:02:07,915 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=722, PETRI_PLACES=174, PETRI_TRANSITIONS=160} [2021-12-21 15:02:07,915 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 30 predicate places. [2021-12-21 15:02:07,915 INFO L470 AbstractCegarLoop]: Abstraction has has 174 places, 160 transitions, 722 flow [2021-12-21 15:02:07,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 110.18181818181819) internal successors, (1212), 11 states have internal predecessors, (1212), 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) [2021-12-21 15:02:07,916 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:02:07,916 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:02:07,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-21 15:02:07,916 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:02:07,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:02:07,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1411168236, now seen corresponding path program 4 times [2021-12-21 15:02:07,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:02:07,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125774236] [2021-12-21 15:02:07,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:02:07,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:02:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 15:02:07,952 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 15:02:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 15:02:08,016 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 15:02:08,017 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 15:02:08,017 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-12-21 15:02:08,019 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-12-21 15:02:08,019 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-12-21 15:02:08,019 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2021-12-21 15:02:08,019 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2021-12-21 15:02:08,020 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 7 remaining) [2021-12-21 15:02:08,020 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-12-21 15:02:08,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-21 15:02:08,023 INFO L732 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1, 1] [2021-12-21 15:02:08,026 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-21 15:02:08,026 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 15:02:08,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 03:02:08 BasicIcfg [2021-12-21 15:02:08,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 15:02:08,157 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 15:02:08,157 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 15:02:08,157 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 15:02:08,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:02:00" (3/4) ... [2021-12-21 15:02:08,158 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-21 15:02:08,300 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 15:02:08,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 15:02:08,301 INFO L158 Benchmark]: Toolchain (without parser) took 9146.09ms. Allocated memory was 86.0MB in the beginning and 717.2MB in the end (delta: 631.2MB). Free memory was 45.2MB in the beginning and 466.5MB in the end (delta: -421.3MB). Peak memory consumption was 211.7MB. Max. memory is 16.1GB. [2021-12-21 15:02:08,301 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 86.0MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:02:08,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.63ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 45.1MB in the beginning and 83.5MB in the end (delta: -38.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2021-12-21 15:02:08,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.38ms. Allocated memory is still 123.7MB. Free memory was 83.5MB in the beginning and 80.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 15:02:08,301 INFO L158 Benchmark]: Boogie Preprocessor took 49.38ms. Allocated memory is still 123.7MB. Free memory was 80.9MB in the beginning and 78.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 15:02:08,302 INFO L158 Benchmark]: RCFGBuilder took 830.16ms. Allocated memory is still 123.7MB. Free memory was 78.9MB in the beginning and 84.2MB in the end (delta: -5.3MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2021-12-21 15:02:08,302 INFO L158 Benchmark]: TraceAbstraction took 7651.64ms. Allocated memory was 123.7MB in the beginning and 717.2MB in the end (delta: 593.5MB). Free memory was 84.2MB in the beginning and 517.9MB in the end (delta: -433.7MB). Peak memory consumption was 158.5MB. Max. memory is 16.1GB. [2021-12-21 15:02:08,302 INFO L158 Benchmark]: Witness Printer took 143.43ms. Allocated memory is still 717.2MB. Free memory was 517.9MB in the beginning and 466.5MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-12-21 15:02:08,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 86.0MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.63ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 45.1MB in the beginning and 83.5MB in the end (delta: -38.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.38ms. Allocated memory is still 123.7MB. Free memory was 83.5MB in the beginning and 80.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.38ms. Allocated memory is still 123.7MB. Free memory was 80.9MB in the beginning and 78.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 830.16ms. Allocated memory is still 123.7MB. Free memory was 78.9MB in the beginning and 84.2MB in the end (delta: -5.3MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7651.64ms. Allocated memory was 123.7MB in the beginning and 717.2MB in the end (delta: 593.5MB). Free memory was 84.2MB in the beginning and 517.9MB in the end (delta: -433.7MB). Peak memory consumption was 158.5MB. Max. memory is 16.1GB. * Witness Printer took 143.43ms. Allocated memory is still 717.2MB. Free memory was 517.9MB in the beginning and 466.5MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L714] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L716] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0] [L718] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0] [L720] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L722] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L723] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0] [L724] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L726] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L728] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L729] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L730] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L731] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L732] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L733] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L734] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L735] 0 _Bool y$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0] [L736] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0] [L737] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L738] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L739] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L740] 0 _Bool y$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0] [L741] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0] [L742] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L743] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L744] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L745] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L746] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L748] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L749] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L750] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L858] 0 pthread_t t437; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t437={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L859] FCALL, FORK 0 pthread_create(&t437, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t437, ((void *)0), P0, ((void *)0))=8, t437={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L860] 0 pthread_t t438; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t437={5:0}, t438={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L861] FCALL, FORK 0 pthread_create(&t438, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t438, ((void *)0), P1, ((void *)0))=9, t437={5:0}, t438={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L862] 0 pthread_t t439; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t437={5:0}, t438={6:0}, t439={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L863] FCALL, FORK 0 pthread_create(&t439, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t439, ((void *)0), P2, ((void *)0))=10, t437={5:0}, t438={6:0}, t439={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L864] 0 pthread_t t440; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t437={5:0}, t438={6:0}, t439={7:0}, t440={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L865] FCALL, FORK 0 pthread_create(&t440, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t440, ((void *)0), P3, ((void *)0))=11, t437={5:0}, t438={6:0}, t439={7:0}, t440={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L797] 3 y$w_buff1 = y$w_buff0 [L798] 3 y$w_buff0 = 1 [L799] 3 y$w_buff1_used = y$w_buff0_used [L800] 3 y$w_buff0_used = (_Bool)1 [L801] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L801] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L802] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L803] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L804] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L805] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L806] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L807] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L810] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L827] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L830] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L833] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L754] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L769] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 y$flush_delayed = weak$$choice2 [L775] 2 y$mem_tmp = y [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L776] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L777] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L777] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L778] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L778] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L779] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L779] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L780] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L781] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L782] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EAX = y [L784] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L784] 2 y = y$flush_delayed ? y$mem_tmp : y [L785] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L813] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L814] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L815] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L816] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L816] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L817] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L817] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L836] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L836] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L836] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L836] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L837] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L837] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L838] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L838] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L839] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L839] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L840] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L840] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L790] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L820] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L843] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L867] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t437={5:0}, t438={6:0}, t439={7:0}, t440={3:0}, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L869] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L869] RET 0 assume_abort_if_not(main$tmp_guard0) [L871] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L871] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L871] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L871] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L872] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L872] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L873] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L873] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L874] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L874] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L875] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L875] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L878] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t437={5:0}, t438={6:0}, t439={7:0}, t440={3:0}, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L880] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 863]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 859]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 865]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 861]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 172 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.4s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 590 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 590 mSDsluCounter, 634 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1154 mSDsCounter, 139 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1572 IncrementalHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 139 mSolverCounterUnsat, 129 mSDtfsCounter, 1572 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=722occurred in iteration=11, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1155 NumberOfCodeBlocks, 1155 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1038 ConstructedInterpolants, 0 QuantifiedInterpolants, 4921 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-12-21 15:02:08,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE