./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix050.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix050.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G --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 a3c87384db48703a1f350b065ac4130898667537456cdd449d5c78c22c9ba26d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:47:21,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:47:21,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:47:21,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:47:21,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:47:21,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:47:21,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:47:21,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:47:21,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:47:21,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:47:21,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:47:21,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:47:21,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:47:21,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:47:21,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:47:21,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:47:21,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:47:21,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:47:21,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:47:21,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:47:21,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:47:21,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:47:21,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:47:21,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:47:21,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:47:21,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:47:21,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:47:21,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:47:21,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:47:21,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:47:21,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:47:21,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:47:21,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:47:21,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:47:21,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:47:21,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:47:21,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:47:21,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:47:21,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:47:21,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:47:21,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:47:21,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 13:47:21,582 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:47:21,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:47:21,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:47:21,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:47:21,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:47:21,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:47:21,586 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:47:21,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:47:21,587 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:47:21,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:47:21,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:47:21,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:47:21,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:47:21,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:47:21,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:47:21,589 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:47:21,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:47:21,590 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:47:21,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:47:21,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:47:21,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:47:21,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:47:21,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:47:21,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:47:21,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:47:21,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:47:21,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:47:21,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:47:21,593 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:47:21,594 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:47:21,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:47:21,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:47:21,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3c87384db48703a1f350b065ac4130898667537456cdd449d5c78c22c9ba26d [2021-11-23 13:47:21,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:47:21,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:47:21,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:47:21,936 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:47:21,937 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:47:21,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/pthread-wmm/mix050.i [2021-11-23 13:47:22,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/data/10003be97/eaa6ab5e8aab474ea0ee227fe6034e6d/FLAG8175cb8e1 [2021-11-23 13:47:22,586 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:47:22,591 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/sv-benchmarks/c/pthread-wmm/mix050.i [2021-11-23 13:47:22,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/data/10003be97/eaa6ab5e8aab474ea0ee227fe6034e6d/FLAG8175cb8e1 [2021-11-23 13:47:22,835 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/data/10003be97/eaa6ab5e8aab474ea0ee227fe6034e6d [2021-11-23 13:47:22,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:47:22,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:47:22,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:47:22,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:47:22,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:47:22,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:22" (1/1) ... [2021-11-23 13:47:22,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8fd1dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:22, skipping insertion in model container [2021-11-23 13:47:22,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:22" (1/1) ... [2021-11-23 13:47:22,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:47:22,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:47:23,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/sv-benchmarks/c/pthread-wmm/mix050.i[940,953] [2021-11-23 13:47:23,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:47:23,323 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:47:23,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/sv-benchmarks/c/pthread-wmm/mix050.i[940,953] [2021-11-23 13:47:23,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:47:23,427 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:47:23,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:23 WrapperNode [2021-11-23 13:47:23,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:47:23,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:47:23,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:47:23,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:47:23,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:23" (1/1) ... [2021-11-23 13:47:23,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:23" (1/1) ... [2021-11-23 13:47:23,486 INFO L137 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 193 [2021-11-23 13:47:23,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:47:23,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:47:23,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:47:23,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:47:23,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:23" (1/1) ... [2021-11-23 13:47:23,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:23" (1/1) ... [2021-11-23 13:47:23,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:23" (1/1) ... [2021-11-23 13:47:23,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:23" (1/1) ... [2021-11-23 13:47:23,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:23" (1/1) ... [2021-11-23 13:47:23,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:23" (1/1) ... [2021-11-23 13:47:23,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:23" (1/1) ... [2021-11-23 13:47:23,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:47:23,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:47:23,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:47:23,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:47:23,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:23" (1/1) ... [2021-11-23 13:47:23,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:47:23,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:47:23,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:47:23,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:47:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 13:47:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 13:47:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:47:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 13:47:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 13:47:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 13:47:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 13:47:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 13:47:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 13:47:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 13:47:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 13:47:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 13:47:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 13:47:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:47:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 13:47:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:47:23,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:47:23,643 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 13:47:23,769 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:47:23,771 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:47:24,477 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:47:24,990 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:47:24,990 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 13:47:24,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:24 BoogieIcfgContainer [2021-11-23 13:47:24,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:47:24,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:47:24,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:47:25,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:47:25,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:47:22" (1/3) ... [2021-11-23 13:47:25,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b79186e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:47:25, skipping insertion in model container [2021-11-23 13:47:25,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:23" (2/3) ... [2021-11-23 13:47:25,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b79186e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:47:25, skipping insertion in model container [2021-11-23 13:47:25,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:24" (3/3) ... [2021-11-23 13:47:25,007 INFO L111 eAbstractionObserver]: Analyzing ICFG mix050.i [2021-11-23 13:47:25,013 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 13:47:25,013 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:47:25,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 13:47:25,014 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 13:47:25,111 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,111 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,111 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,111 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,111 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,112 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,112 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,112 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,112 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,112 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,113 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,113 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,114 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,114 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,114 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,115 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,115 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,115 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,116 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,116 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,116 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,117 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,117 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,117 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,117 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,118 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,118 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,118 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,118 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,119 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,119 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,119 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,119 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,120 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,120 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,120 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,120 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,121 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,121 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,121 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,121 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,121 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,121 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,122 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,122 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,122 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,122 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,122 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,123 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,123 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,123 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,123 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,123 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,124 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,124 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,124 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,124 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,124 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,125 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,125 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,125 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,125 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,125 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,125 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,126 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,126 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,127 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,127 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,127 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,127 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,127 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,128 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,128 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,128 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,128 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,128 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,129 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,130 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,132 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,132 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,133 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,133 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,134 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,135 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,135 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,135 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,135 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,142 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,142 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,142 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,142 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,142 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,142 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,143 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,143 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,143 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,143 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,143 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,143 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,143 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,144 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,144 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,144 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,144 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,144 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,144 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,144 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,144 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,145 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,145 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,145 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,145 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,145 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,145 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,145 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,145 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,145 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,146 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,146 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,146 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,146 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,146 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,146 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,146 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,146 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,147 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,147 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,147 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,147 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,148 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,150 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,150 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,150 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,150 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,151 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,151 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,151 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,151 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,151 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,151 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,151 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,151 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,152 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,152 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,152 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,152 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,153 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,153 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,153 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,153 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,154 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,155 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,155 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,155 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,156 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,156 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,156 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,156 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,156 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,156 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,157 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,157 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,157 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,157 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,157 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,157 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,158 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,158 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,159 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,160 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,160 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,160 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,160 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,160 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,160 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,161 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,161 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,161 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,161 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,161 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,162 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,162 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,162 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,162 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,163 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,163 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,168 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,168 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,170 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,170 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,170 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,171 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,171 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,172 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,172 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,172 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,172 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,172 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,172 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,174 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,175 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,176 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,176 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,176 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,177 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,177 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,177 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,177 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,177 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,177 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,177 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,178 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,178 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,178 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,178 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,179 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,179 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,179 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,179 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,179 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,179 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,179 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,179 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,179 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,180 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,180 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,180 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,180 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,180 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,180 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,180 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,180 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,181 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,181 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,181 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,181 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,181 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,181 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,181 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,181 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,181 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,182 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,182 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,182 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,182 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,182 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:47:25,183 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 13:47:25,232 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:47:25,240 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 [2021-11-23 13:47:25,240 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-23 13:47:25,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 137 transitions, 294 flow [2021-11-23 13:47:25,316 INFO L129 PetriNetUnfolder]: 2/133 cut-off events. [2021-11-23 13:47:25,316 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 13:47:25,321 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 66 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place. [2021-11-23 13:47:25,322 INFO L82 GeneralOperation]: Start removeDead. Operand has 148 places, 137 transitions, 294 flow [2021-11-23 13:47:25,327 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 133 transitions, 278 flow [2021-11-23 13:47:25,338 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2021-11-23 13:47:25,338 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 13:47:25,339 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:47:25,339 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] [2021-11-23 13:47:25,340 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 13:47:25,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:47:25,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1663018398, now seen corresponding path program 1 times [2021-11-23 13:47:25,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:47:25,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351304164] [2021-11-23 13:47:25,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:47:25,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:47:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:47:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:47:25,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:47:25,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351304164] [2021-11-23 13:47:25,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351304164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:47:25,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:47:25,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:47:25,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172726808] [2021-11-23 13:47:25,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:47:25,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:47:25,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:47:25,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:47:25,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:47:25,688 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 137 [2021-11-23 13:47:25,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 133 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 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) [2021-11-23 13:47:25,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:47:25,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 137 [2021-11-23 13:47:25,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:47:25,986 INFO L129 PetriNetUnfolder]: 162/619 cut-off events. [2021-11-23 13:47:25,986 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-11-23 13:47:25,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 925 conditions, 619 events. 162/619 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3412 event pairs, 132 based on Foata normal form. 36/611 useless extension candidates. Maximal degree in co-relation 867. Up to 191 conditions per place. [2021-11-23 13:47:25,998 INFO L132 encePairwiseOnDemand]: 132/137 looper letters, 18 selfloop transitions, 2 changer transitions 0/137 dead transitions. [2021-11-23 13:47:25,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 137 transitions, 335 flow [2021-11-23 13:47:26,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:47:26,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-23 13:47:26,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions. [2021-11-23 13:47:26,014 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9440389294403893 [2021-11-23 13:47:26,015 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 388 transitions. [2021-11-23 13:47:26,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 388 transitions. [2021-11-23 13:47:26,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:47:26,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 388 transitions. [2021-11-23 13:47:26,033 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) [2021-11-23 13:47:26,050 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) [2021-11-23 13:47:26,055 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) [2021-11-23 13:47:26,057 INFO L186 Difference]: Start difference. First operand has 144 places, 133 transitions, 278 flow. Second operand 3 states and 388 transitions. [2021-11-23 13:47:26,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 137 transitions, 335 flow [2021-11-23 13:47:26,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 137 transitions, 328 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-23 13:47:26,069 INFO L242 Difference]: Finished difference. Result has 140 places, 129 transitions, 270 flow [2021-11-23 13:47:26,071 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} [2021-11-23 13:47:26,075 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, -4 predicate places. [2021-11-23 13:47:26,075 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 129 transitions, 270 flow [2021-11-23 13:47:26,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 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) [2021-11-23 13:47:26,076 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:47:26,076 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] [2021-11-23 13:47:26,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:47:26,077 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 13:47:26,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:47:26,078 INFO L85 PathProgramCache]: Analyzing trace with hash -280758603, now seen corresponding path program 1 times [2021-11-23 13:47:26,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:47:26,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263765816] [2021-11-23 13:47:26,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:47:26,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:47:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:47:26,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:47:26,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:47:26,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263765816] [2021-11-23 13:47:26,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263765816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:47:26,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:47:26,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 13:47:26,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105903920] [2021-11-23 13:47:26,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:47:26,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 13:47:26,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:47:26,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 13:47:26,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 13:47:26,362 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 137 [2021-11-23 13:47:26,364 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 129 transitions, 270 flow. Second operand has 6 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 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) [2021-11-23 13:47:26,364 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:47:26,364 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 137 [2021-11-23 13:47:26,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:47:28,581 INFO L129 PetriNetUnfolder]: 4140/8971 cut-off events. [2021-11-23 13:47:28,582 INFO L130 PetriNetUnfolder]: For 397/397 co-relation queries the response was YES. [2021-11-23 13:47:28,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15292 conditions, 8971 events. 4140/8971 cut-off events. For 397/397 co-relation queries the response was YES. Maximal size of possible extension queue 511. Compared 76667 event pairs, 187 based on Foata normal form. 0/8736 useless extension candidates. Maximal degree in co-relation 15235. Up to 2233 conditions per place. [2021-11-23 13:47:28,666 INFO L132 encePairwiseOnDemand]: 126/137 looper letters, 38 selfloop transitions, 7 changer transitions 60/211 dead transitions. [2021-11-23 13:47:28,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 211 transitions, 664 flow [2021-11-23 13:47:28,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 13:47:28,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-23 13:47:28,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1207 transitions. [2021-11-23 13:47:28,673 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.881021897810219 [2021-11-23 13:47:28,673 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1207 transitions. [2021-11-23 13:47:28,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1207 transitions. [2021-11-23 13:47:28,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:47:28,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1207 transitions. [2021-11-23 13:47:28,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 120.7) internal successors, (1207), 10 states have internal predecessors, (1207), 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) [2021-11-23 13:47:28,685 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) [2021-11-23 13:47:28,686 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) [2021-11-23 13:47:28,687 INFO L186 Difference]: Start difference. First operand has 140 places, 129 transitions, 270 flow. Second operand 10 states and 1207 transitions. [2021-11-23 13:47:28,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 211 transitions, 664 flow [2021-11-23 13:47:28,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 211 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-23 13:47:28,698 INFO L242 Difference]: Finished difference. Result has 153 places, 132 transitions, 332 flow [2021-11-23 13:47:28,699 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=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=332, PETRI_PLACES=153, PETRI_TRANSITIONS=132} [2021-11-23 13:47:28,700 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 9 predicate places. [2021-11-23 13:47:28,700 INFO L470 AbstractCegarLoop]: Abstraction has has 153 places, 132 transitions, 332 flow [2021-11-23 13:47:28,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 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) [2021-11-23 13:47:28,701 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:47:28,701 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] [2021-11-23 13:47:28,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:47:28,702 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 13:47:28,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:47:28,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1865042248, now seen corresponding path program 1 times [2021-11-23 13:47:28,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:47:28,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334928958] [2021-11-23 13:47:28,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:47:28,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:47:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:47:29,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:47:29,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:47:29,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334928958] [2021-11-23 13:47:29,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334928958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:47:29,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:47:29,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 13:47:29,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874858905] [2021-11-23 13:47:29,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:47:29,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 13:47:29,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:47:29,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 13:47:29,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-23 13:47:29,046 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 137 [2021-11-23 13:47:29,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 132 transitions, 332 flow. Second operand has 7 states, 7 states have (on average 112.14285714285714) internal successors, (785), 7 states have internal predecessors, (785), 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) [2021-11-23 13:47:29,048 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:47:29,048 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 137 [2021-11-23 13:47:29,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:47:30,365 INFO L129 PetriNetUnfolder]: 1872/4505 cut-off events. [2021-11-23 13:47:30,366 INFO L130 PetriNetUnfolder]: For 3694/3742 co-relation queries the response was YES. [2021-11-23 13:47:30,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10801 conditions, 4505 events. 1872/4505 cut-off events. For 3694/3742 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 35604 event pairs, 80 based on Foata normal form. 108/4544 useless extension candidates. Maximal degree in co-relation 10737. Up to 1002 conditions per place. [2021-11-23 13:47:30,417 INFO L132 encePairwiseOnDemand]: 127/137 looper letters, 46 selfloop transitions, 11 changer transitions 47/210 dead transitions. [2021-11-23 13:47:30,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 210 transitions, 869 flow [2021-11-23 13:47:30,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 13:47:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-23 13:47:30,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1206 transitions. [2021-11-23 13:47:30,423 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8802919708029197 [2021-11-23 13:47:30,423 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1206 transitions. [2021-11-23 13:47:30,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1206 transitions. [2021-11-23 13:47:30,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:47:30,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1206 transitions. [2021-11-23 13:47:30,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 120.6) internal successors, (1206), 10 states have internal predecessors, (1206), 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) [2021-11-23 13:47:30,437 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) [2021-11-23 13:47:30,438 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) [2021-11-23 13:47:30,439 INFO L186 Difference]: Start difference. First operand has 153 places, 132 transitions, 332 flow. Second operand 10 states and 1206 transitions. [2021-11-23 13:47:30,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 210 transitions, 869 flow [2021-11-23 13:47:30,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 210 transitions, 844 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-11-23 13:47:30,472 INFO L242 Difference]: Finished difference. Result has 157 places, 136 transitions, 420 flow [2021-11-23 13:47:30,473 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=420, PETRI_PLACES=157, PETRI_TRANSITIONS=136} [2021-11-23 13:47:30,475 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 13 predicate places. [2021-11-23 13:47:30,476 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 136 transitions, 420 flow [2021-11-23 13:47:30,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 112.14285714285714) internal successors, (785), 7 states have internal predecessors, (785), 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) [2021-11-23 13:47:30,478 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:47:30,478 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] [2021-11-23 13:47:30,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 13:47:30,479 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 13:47:30,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:47:30,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1828910383, now seen corresponding path program 1 times [2021-11-23 13:47:30,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:47:30,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609313388] [2021-11-23 13:47:30,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:47:30,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:47:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:47:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:47:30,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:47:30,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609313388] [2021-11-23 13:47:30,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609313388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:47:30,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:47:30,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 13:47:30,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347388011] [2021-11-23 13:47:30,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:47:30,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 13:47:30,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:47:30,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 13:47:30,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 13:47:30,758 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 137 [2021-11-23 13:47:30,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 136 transitions, 420 flow. Second operand has 7 states, 7 states have (on average 109.14285714285714) internal successors, (764), 7 states have internal predecessors, (764), 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) [2021-11-23 13:47:30,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:47:30,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 137 [2021-11-23 13:47:30,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:47:32,718 INFO L129 PetriNetUnfolder]: 2361/8233 cut-off events. [2021-11-23 13:47:32,718 INFO L130 PetriNetUnfolder]: For 7867/8238 co-relation queries the response was YES. [2021-11-23 13:47:32,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17236 conditions, 8233 events. 2361/8233 cut-off events. For 7867/8238 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 84496 event pairs, 803 based on Foata normal form. 76/8033 useless extension candidates. Maximal degree in co-relation 17164. Up to 1658 conditions per place. [2021-11-23 13:47:32,829 INFO L132 encePairwiseOnDemand]: 128/137 looper letters, 90 selfloop transitions, 19 changer transitions 0/218 dead transitions. [2021-11-23 13:47:32,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 218 transitions, 810 flow [2021-11-23 13:47:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 13:47:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-23 13:47:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1171 transitions. [2021-11-23 13:47:32,836 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8547445255474453 [2021-11-23 13:47:32,837 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1171 transitions. [2021-11-23 13:47:32,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1171 transitions. [2021-11-23 13:47:32,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:47:32,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1171 transitions. [2021-11-23 13:47:32,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 117.1) internal successors, (1171), 10 states have internal predecessors, (1171), 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) [2021-11-23 13:47:32,845 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) [2021-11-23 13:47:32,846 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) [2021-11-23 13:47:32,846 INFO L186 Difference]: Start difference. First operand has 157 places, 136 transitions, 420 flow. Second operand 10 states and 1171 transitions. [2021-11-23 13:47:32,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 218 transitions, 810 flow [2021-11-23 13:47:32,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 218 transitions, 741 flow, removed 25 selfloop flow, removed 9 redundant places. [2021-11-23 13:47:33,002 INFO L242 Difference]: Finished difference. Result has 161 places, 154 transitions, 502 flow [2021-11-23 13:47:33,002 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=351, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=502, PETRI_PLACES=161, PETRI_TRANSITIONS=154} [2021-11-23 13:47:33,003 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 17 predicate places. [2021-11-23 13:47:33,004 INFO L470 AbstractCegarLoop]: Abstraction has has 161 places, 154 transitions, 502 flow [2021-11-23 13:47:33,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 109.14285714285714) internal successors, (764), 7 states have internal predecessors, (764), 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) [2021-11-23 13:47:33,004 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:47:33,005 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] [2021-11-23 13:47:33,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 13:47:33,005 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 13:47:33,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:47:33,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1125479805, now seen corresponding path program 2 times [2021-11-23 13:47:33,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:47:33,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000925364] [2021-11-23 13:47:33,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:47:33,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:47:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:47:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:47:33,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:47:33,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000925364] [2021-11-23 13:47:33,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000925364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:47:33,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:47:33,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 13:47:33,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189736569] [2021-11-23 13:47:33,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:47:33,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 13:47:33,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:47:33,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 13:47:33,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 13:47:33,168 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 137 [2021-11-23 13:47:33,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 154 transitions, 502 flow. Second operand has 8 states, 8 states have (on average 112.125) internal successors, (897), 8 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:47:33,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:47:33,170 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 137 [2021-11-23 13:47:33,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:47:34,552 INFO L129 PetriNetUnfolder]: 1925/4949 cut-off events. [2021-11-23 13:47:34,552 INFO L130 PetriNetUnfolder]: For 5868/6055 co-relation queries the response was YES. [2021-11-23 13:47:34,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12840 conditions, 4949 events. 1925/4949 cut-off events. For 5868/6055 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 41251 event pairs, 219 based on Foata normal form. 131/4930 useless extension candidates. Maximal degree in co-relation 12771. Up to 866 conditions per place. [2021-11-23 13:47:34,605 INFO L132 encePairwiseOnDemand]: 127/137 looper letters, 75 selfloop transitions, 27 changer transitions 36/247 dead transitions. [2021-11-23 13:47:34,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 247 transitions, 1255 flow [2021-11-23 13:47:34,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 13:47:34,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-11-23 13:47:34,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1327 transitions. [2021-11-23 13:47:34,611 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.880557398805574 [2021-11-23 13:47:34,612 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1327 transitions. [2021-11-23 13:47:34,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1327 transitions. [2021-11-23 13:47:34,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:47:34,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1327 transitions. [2021-11-23 13:47:34,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 120.63636363636364) internal successors, (1327), 11 states have internal predecessors, (1327), 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) [2021-11-23 13:47:34,622 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) [2021-11-23 13:47:34,623 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) [2021-11-23 13:47:34,624 INFO L186 Difference]: Start difference. First operand has 161 places, 154 transitions, 502 flow. Second operand 11 states and 1327 transitions. [2021-11-23 13:47:34,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 247 transitions, 1255 flow [2021-11-23 13:47:34,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 247 transitions, 1254 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-23 13:47:34,646 INFO L242 Difference]: Finished difference. Result has 173 places, 161 transitions, 696 flow [2021-11-23 13:47:34,646 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=696, PETRI_PLACES=173, PETRI_TRANSITIONS=161} [2021-11-23 13:47:34,647 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 29 predicate places. [2021-11-23 13:47:34,648 INFO L470 AbstractCegarLoop]: Abstraction has has 173 places, 161 transitions, 696 flow [2021-11-23 13:47:34,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 112.125) internal successors, (897), 8 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:47:34,649 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:47:34,649 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] [2021-11-23 13:47:34,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 13:47:34,649 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 13:47:34,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:47:34,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1600875513, now seen corresponding path program 1 times [2021-11-23 13:47:34,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:47:34,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640350209] [2021-11-23 13:47:34,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:47:34,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:47:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:47:34,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:47:34,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:47:34,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640350209] [2021-11-23 13:47:34,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640350209] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:47:34,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:47:34,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 13:47:34,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952748013] [2021-11-23 13:47:34,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:47:34,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 13:47:34,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:47:34,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 13:47:34,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-23 13:47:34,832 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 137 [2021-11-23 13:47:34,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 161 transitions, 696 flow. Second operand has 8 states, 8 states have (on average 109.0) internal successors, (872), 8 states have internal predecessors, (872), 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) [2021-11-23 13:47:34,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:47:34,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 137 [2021-11-23 13:47:34,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:47:36,047 INFO L129 PetriNetUnfolder]: 1639/5412 cut-off events. [2021-11-23 13:47:36,047 INFO L130 PetriNetUnfolder]: For 10527/10970 co-relation queries the response was YES. [2021-11-23 13:47:36,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15347 conditions, 5412 events. 1639/5412 cut-off events. For 10527/10970 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 52194 event pairs, 175 based on Foata normal form. 15/5309 useless extension candidates. Maximal degree in co-relation 15269. Up to 1124 conditions per place. [2021-11-23 13:47:36,130 INFO L132 encePairwiseOnDemand]: 131/137 looper letters, 61 selfloop transitions, 3 changer transitions 31/225 dead transitions. [2021-11-23 13:47:36,131 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 225 transitions, 1172 flow [2021-11-23 13:47:36,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 13:47:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-23 13:47:36,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 829 transitions. [2021-11-23 13:47:36,135 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8644421272158499 [2021-11-23 13:47:36,135 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 829 transitions. [2021-11-23 13:47:36,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 829 transitions. [2021-11-23 13:47:36,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:47:36,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 829 transitions. [2021-11-23 13:47:36,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 118.42857142857143) internal successors, (829), 7 states have internal predecessors, (829), 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) [2021-11-23 13:47:36,142 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) [2021-11-23 13:47:36,144 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) [2021-11-23 13:47:36,144 INFO L186 Difference]: Start difference. First operand has 173 places, 161 transitions, 696 flow. Second operand 7 states and 829 transitions. [2021-11-23 13:47:36,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 225 transitions, 1172 flow [2021-11-23 13:47:36,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 225 transitions, 952 flow, removed 96 selfloop flow, removed 9 redundant places. [2021-11-23 13:47:36,336 INFO L242 Difference]: Finished difference. Result has 169 places, 163 transitions, 531 flow [2021-11-23 13:47:36,336 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=531, PETRI_PLACES=169, PETRI_TRANSITIONS=163} [2021-11-23 13:47:36,340 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 25 predicate places. [2021-11-23 13:47:36,340 INFO L470 AbstractCegarLoop]: Abstraction has has 169 places, 163 transitions, 531 flow [2021-11-23 13:47:36,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 109.0) internal successors, (872), 8 states have internal predecessors, (872), 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) [2021-11-23 13:47:36,341 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:47:36,341 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] [2021-11-23 13:47:36,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 13:47:36,342 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 13:47:36,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:47:36,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1255140111, now seen corresponding path program 2 times [2021-11-23 13:47:36,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:47:36,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211169756] [2021-11-23 13:47:36,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:47:36,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:47:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:47:36,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:47:36,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:47:36,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211169756] [2021-11-23 13:47:36,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211169756] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:47:36,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:47:36,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 13:47:36,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396523921] [2021-11-23 13:47:36,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:47:36,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 13:47:36,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:47:36,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 13:47:36,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-23 13:47:36,582 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 137 [2021-11-23 13:47:36,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 163 transitions, 531 flow. Second operand has 9 states, 9 states have (on average 112.11111111111111) internal successors, (1009), 9 states have internal predecessors, (1009), 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) [2021-11-23 13:47:36,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:47:36,584 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 137 [2021-11-23 13:47:36,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:47:38,259 INFO L129 PetriNetUnfolder]: 3323/7464 cut-off events. [2021-11-23 13:47:38,259 INFO L130 PetriNetUnfolder]: For 5036/5418 co-relation queries the response was YES. [2021-11-23 13:47:38,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18048 conditions, 7464 events. 3323/7464 cut-off events. For 5036/5418 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 68024 event pairs, 352 based on Foata normal form. 73/7303 useless extension candidates. Maximal degree in co-relation 18026. Up to 1107 conditions per place. [2021-11-23 13:47:38,332 INFO L132 encePairwiseOnDemand]: 127/137 looper letters, 56 selfloop transitions, 31 changer transitions 52/236 dead transitions. [2021-11-23 13:47:38,333 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 236 transitions, 1073 flow [2021-11-23 13:47:38,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 13:47:38,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-23 13:47:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1651 transitions. [2021-11-23 13:47:38,339 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8607924921793535 [2021-11-23 13:47:38,340 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1651 transitions. [2021-11-23 13:47:38,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1651 transitions. [2021-11-23 13:47:38,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:47:38,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1651 transitions. [2021-11-23 13:47:38,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 117.92857142857143) internal successors, (1651), 14 states have internal predecessors, (1651), 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) [2021-11-23 13:47:38,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 137.0) internal successors, (2055), 15 states have internal predecessors, (2055), 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) [2021-11-23 13:47:38,354 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 137.0) internal successors, (2055), 15 states have internal predecessors, (2055), 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) [2021-11-23 13:47:38,354 INFO L186 Difference]: Start difference. First operand has 169 places, 163 transitions, 531 flow. Second operand 14 states and 1651 transitions. [2021-11-23 13:47:38,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 236 transitions, 1073 flow [2021-11-23 13:47:38,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 236 transitions, 1036 flow, removed 18 selfloop flow, removed 4 redundant places. [2021-11-23 13:47:38,412 INFO L242 Difference]: Finished difference. Result has 181 places, 146 transitions, 573 flow [2021-11-23 13:47:38,412 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=573, PETRI_PLACES=181, PETRI_TRANSITIONS=146} [2021-11-23 13:47:38,413 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 37 predicate places. [2021-11-23 13:47:38,413 INFO L470 AbstractCegarLoop]: Abstraction has has 181 places, 146 transitions, 573 flow [2021-11-23 13:47:38,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 112.11111111111111) internal successors, (1009), 9 states have internal predecessors, (1009), 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) [2021-11-23 13:47:38,414 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:47:38,414 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] [2021-11-23 13:47:38,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 13:47:38,415 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 13:47:38,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:47:38,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1957518872, now seen corresponding path program 1 times [2021-11-23 13:47:38,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:47:38,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309837065] [2021-11-23 13:47:38,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:47:38,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:47:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:47:38,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:47:38,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:47:38,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309837065] [2021-11-23 13:47:38,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309837065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:47:38,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:47:38,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 13:47:38,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903210328] [2021-11-23 13:47:38,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:47:38,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 13:47:38,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:47:38,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 13:47:38,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 13:47:38,650 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 137 [2021-11-23 13:47:38,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 146 transitions, 573 flow. Second operand has 7 states, 7 states have (on average 109.71428571428571) internal successors, (768), 7 states have internal predecessors, (768), 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) [2021-11-23 13:47:38,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:47:38,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 137 [2021-11-23 13:47:38,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:47:39,600 INFO L129 PetriNetUnfolder]: 1873/6087 cut-off events. [2021-11-23 13:47:39,600 INFO L130 PetriNetUnfolder]: For 9234/9423 co-relation queries the response was YES. [2021-11-23 13:47:39,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15871 conditions, 6087 events. 1873/6087 cut-off events. For 9234/9423 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 65529 event pairs, 301 based on Foata normal form. 1/5935 useless extension candidates. Maximal degree in co-relation 15790. Up to 902 conditions per place. [2021-11-23 13:47:39,653 INFO L132 encePairwiseOnDemand]: 128/137 looper letters, 44 selfloop transitions, 6 changer transitions 8/172 dead transitions. [2021-11-23 13:47:39,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 172 transitions, 825 flow [2021-11-23 13:47:39,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 13:47:39,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-23 13:47:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 789 transitions. [2021-11-23 13:47:39,657 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8227320125130344 [2021-11-23 13:47:39,657 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 789 transitions. [2021-11-23 13:47:39,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 789 transitions. [2021-11-23 13:47:39,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:47:39,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 789 transitions. [2021-11-23 13:47:39,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 112.71428571428571) internal successors, (789), 7 states have internal predecessors, (789), 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) [2021-11-23 13:47:39,663 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) [2021-11-23 13:47:39,664 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) [2021-11-23 13:47:39,664 INFO L186 Difference]: Start difference. First operand has 181 places, 146 transitions, 573 flow. Second operand 7 states and 789 transitions. [2021-11-23 13:47:39,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 172 transitions, 825 flow [2021-11-23 13:47:39,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 172 transitions, 722 flow, removed 32 selfloop flow, removed 14 redundant places. [2021-11-23 13:47:39,917 INFO L242 Difference]: Finished difference. Result has 162 places, 151 transitions, 571 flow [2021-11-23 13:47:39,918 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=571, PETRI_PLACES=162, PETRI_TRANSITIONS=151} [2021-11-23 13:47:39,923 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 18 predicate places. [2021-11-23 13:47:39,923 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 151 transitions, 571 flow [2021-11-23 13:47:39,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 109.71428571428571) internal successors, (768), 7 states have internal predecessors, (768), 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) [2021-11-23 13:47:39,924 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:47:39,924 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] [2021-11-23 13:47:39,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 13:47:39,924 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 13:47:39,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:47:39,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1375707506, now seen corresponding path program 2 times [2021-11-23 13:47:39,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:47:39,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170436050] [2021-11-23 13:47:39,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:47:39,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:47:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:47:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:47:40,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:47:40,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170436050] [2021-11-23 13:47:40,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170436050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:47:40,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:47:40,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 13:47:40,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640635211] [2021-11-23 13:47:40,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:47:40,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 13:47:40,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:47:40,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 13:47:40,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 13:47:40,333 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 137 [2021-11-23 13:47:40,335 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 151 transitions, 571 flow. Second operand has 12 states, 12 states have (on average 108.16666666666667) internal successors, (1298), 12 states have internal predecessors, (1298), 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) [2021-11-23 13:47:40,335 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:47:40,335 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 137 [2021-11-23 13:47:40,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:47:41,883 INFO L129 PetriNetUnfolder]: 2295/9199 cut-off events. [2021-11-23 13:47:41,883 INFO L130 PetriNetUnfolder]: For 6829/7059 co-relation queries the response was YES. [2021-11-23 13:47:41,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20161 conditions, 9199 events. 2295/9199 cut-off events. For 6829/7059 co-relation queries the response was YES. Maximal size of possible extension queue 856. Compared 119434 event pairs, 209 based on Foata normal form. 5/8819 useless extension candidates. Maximal degree in co-relation 20138. Up to 894 conditions per place. [2021-11-23 13:47:41,964 INFO L132 encePairwiseOnDemand]: 126/137 looper letters, 33 selfloop transitions, 8 changer transitions 16/180 dead transitions. [2021-11-23 13:47:41,965 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 180 transitions, 789 flow [2021-11-23 13:47:41,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 13:47:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-11-23 13:47:41,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1219 transitions. [2021-11-23 13:47:41,971 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8088918380889184 [2021-11-23 13:47:41,972 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1219 transitions. [2021-11-23 13:47:41,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1219 transitions. [2021-11-23 13:47:41,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:47:41,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1219 transitions. [2021-11-23 13:47:41,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 110.81818181818181) internal successors, (1219), 11 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:47:41,982 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) [2021-11-23 13:47:41,983 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) [2021-11-23 13:47:41,983 INFO L186 Difference]: Start difference. First operand has 162 places, 151 transitions, 571 flow. Second operand 11 states and 1219 transitions. [2021-11-23 13:47:41,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 180 transitions, 789 flow [2021-11-23 13:47:42,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 180 transitions, 770 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-11-23 13:47:42,534 INFO L242 Difference]: Finished difference. Result has 172 places, 155 transitions, 630 flow [2021-11-23 13:47:42,534 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=630, PETRI_PLACES=172, PETRI_TRANSITIONS=155} [2021-11-23 13:47:42,535 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 28 predicate places. [2021-11-23 13:47:42,535 INFO L470 AbstractCegarLoop]: Abstraction has has 172 places, 155 transitions, 630 flow [2021-11-23 13:47:42,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 108.16666666666667) internal successors, (1298), 12 states have internal predecessors, (1298), 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) [2021-11-23 13:47:42,536 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:47:42,536 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] [2021-11-23 13:47:42,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 13:47:42,537 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 13:47:42,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:47:42,537 INFO L85 PathProgramCache]: Analyzing trace with hash 617011818, now seen corresponding path program 3 times [2021-11-23 13:47:42,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:47:42,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889248957] [2021-11-23 13:47:42,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:47:42,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:47:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:47:42,612 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:47:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:47:42,753 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:47:42,754 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 13:47:42,755 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-11-23 13:47:42,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-11-23 13:47:42,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-11-23 13:47:42,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2021-11-23 13:47:42,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2021-11-23 13:47:42,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 7 remaining) [2021-11-23 13:47:42,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-11-23 13:47:42,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 13:47:42,762 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1] [2021-11-23 13:47:42,768 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 13:47:42,768 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:47:43,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:47:43 BasicIcfg [2021-11-23 13:47:43,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:47:43,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:47:43,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:47:43,030 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:47:43,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:24" (3/4) ... [2021-11-23 13:47:43,032 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 13:47:43,253 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 13:47:43,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:47:43,254 INFO L158 Benchmark]: Toolchain (without parser) took 20415.08ms. Allocated memory was 102.8MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 66.5MB in the beginning and 767.8MB in the end (delta: -701.3MB). Peak memory consumption was 657.1MB. Max. memory is 16.1GB. [2021-11-23 13:47:43,254 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory was 77.4MB in the beginning and 77.3MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:47:43,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.13ms. Allocated memory is still 102.8MB. Free memory was 66.3MB in the beginning and 63.1MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:47:43,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.22ms. Allocated memory is still 102.8MB. Free memory was 63.1MB in the beginning and 60.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:47:43,256 INFO L158 Benchmark]: Boogie Preprocessor took 69.14ms. Allocated memory is still 102.8MB. Free memory was 60.2MB in the beginning and 58.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:47:43,256 INFO L158 Benchmark]: RCFGBuilder took 1436.49ms. Allocated memory was 102.8MB in the beginning and 132.1MB in the end (delta: 29.4MB). Free memory was 57.6MB in the beginning and 48.8MB in the end (delta: 8.8MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2021-11-23 13:47:43,257 INFO L158 Benchmark]: TraceAbstraction took 18033.47ms. Allocated memory was 132.1MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 48.0MB in the beginning and 823.5MB in the end (delta: -775.5MB). Peak memory consumption was 552.9MB. Max. memory is 16.1GB. [2021-11-23 13:47:43,257 INFO L158 Benchmark]: Witness Printer took 224.21ms. Allocated memory is still 1.5GB. Free memory was 823.5MB in the beginning and 767.8MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2021-11-23 13:47:43,259 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory was 77.4MB in the beginning and 77.3MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 587.13ms. Allocated memory is still 102.8MB. Free memory was 66.3MB in the beginning and 63.1MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.22ms. Allocated memory is still 102.8MB. Free memory was 63.1MB in the beginning and 60.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.14ms. Allocated memory is still 102.8MB. Free memory was 60.2MB in the beginning and 58.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1436.49ms. Allocated memory was 102.8MB in the beginning and 132.1MB in the end (delta: 29.4MB). Free memory was 57.6MB in the beginning and 48.8MB in the end (delta: 8.8MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * TraceAbstraction took 18033.47ms. Allocated memory was 132.1MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 48.0MB in the beginning and 823.5MB in the end (delta: -775.5MB). Peak memory consumption was 552.9MB. Max. memory is 16.1GB. * Witness Printer took 224.21ms. Allocated memory is still 1.5GB. Free memory was 823.5MB in the beginning and 767.8MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. 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 a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0] [L721] 0 _Bool a$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0] [L722] 0 int a$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0] [L723] 0 _Bool a$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0] [L724] 0 _Bool a$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0] [L725] 0 _Bool a$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0] [L726] 0 _Bool a$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0] [L727] 0 _Bool a$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0] [L728] 0 _Bool a$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0] [L729] 0 _Bool a$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0] [L730] 0 _Bool a$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0] [L731] 0 _Bool a$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0] [L732] 0 _Bool a$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0] [L733] 0 _Bool a$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0] [L734] 0 int *a$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}] [L735] 0 int a$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0] [L736] 0 _Bool a$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0] [L737] 0 int a$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0] [L738] 0 _Bool a$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0] [L739] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0] [L740] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0] [L742] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L744] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L746] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L747] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0] [L748] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L863] 0 pthread_t t1321; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t1321={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L864] FCALL, FORK 0 pthread_create(&t1321, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1321, ((void *)0), P0, ((void *)0))=-3, t1321={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L752] 1 a$w_buff1 = a$w_buff0 [L753] 1 a$w_buff0 = 1 [L754] 1 a$w_buff1_used = a$w_buff0_used [L755] 1 a$w_buff0_used = (_Bool)1 [L756] CALL 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L756] RET 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L757] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L758] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L759] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L760] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L761] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L762] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L865] 0 pthread_t t1322; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t1321={5:0}, t1322={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L866] FCALL, FORK 0 pthread_create(&t1322, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1322, ((void *)0), P1, ((void *)0))=-2, t1321={5:0}, t1322={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L867] 0 pthread_t t1323; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1321={5:0}, t1322={6:0}, t1323={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L868] FCALL, FORK 0 pthread_create(&t1323, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1323, ((void *)0), P2, ((void *)0))=-1, t1321={5:0}, t1322={6:0}, t1323={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L869] 0 pthread_t t1324; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1321={5:0}, t1322={6:0}, t1323={7:0}, t1324={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L870] FCALL, FORK 0 pthread_create(&t1324, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1324, ((void *)0), P3, ((void *)0))=0, t1321={5:0}, t1322={6:0}, t1323={7:0}, t1324={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L765] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L782] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L785] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L802] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L805] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L822] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L825] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L826] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L827] 4 a$flush_delayed = weak$$choice2 [L828] 4 a$mem_tmp = a [L829] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L829] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L830] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L830] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L830] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L830] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L831] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L831] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L831] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L831] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L832] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L832] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L832] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L832] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L833] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L833] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L834] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L834] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L834] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L835] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L835] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L835] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L835] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] 4 __unbuffered_p3_EAX = a [L837] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L837] 4 a = a$flush_delayed ? a$mem_tmp : a [L838] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=1] [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L788] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L788] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L789] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L789] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L790] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L791] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L792] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L808] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L808] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L808] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L808] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L809] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L809] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L810] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L810] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L811] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L812] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L812] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L841] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L841] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L841] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L841] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L842] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L842] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L843] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L843] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L844] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L844] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L845] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L845] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L768] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L769] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L770] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L771] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L772] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=1] [L795] 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=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=1] [L815] 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=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=1] [L848] 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=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=1] [L872] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1321={5:0}, t1322={6:0}, t1323={7:0}, t1324={3:0}, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=1] [L874] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=1] [L874] RET 0 assume_abort_if_not(main$tmp_guard0) [L876] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L876] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L876] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L876] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L877] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L877] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L878] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L878] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L879] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L879] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L880] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L880] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L883] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 0) VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1321={5:0}, t1322={6:0}, t1323={7:0}, t1324={3:0}, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=1] [L885] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, 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=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, 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$$choice0=1, weak$$choice2=0, x=1, y=1, 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: 870]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 868]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 866]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 864]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 173 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: 17.5s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 668 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 668 mSDsluCounter, 484 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1127 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1514 IncrementalHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 103 mSDtfsCounter, 1514 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=696occurred in iteration=5, InterpolantAutomatonStates: 83, 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, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 939 NumberOfCodeBlocks, 939 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 824 ConstructedInterpolants, 0 QuantifiedInterpolants, 3259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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! [2021-11-23 13:47:43,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfc5fa6-7960-46e9-b8a8-39dab2309fb8/bin/uautomizer-wIGwrQj20G/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