./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi008.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi008.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa --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 0d082f4414248fc35e1fa616a9787901263e0e45c6e6a28545f00aa25d14032e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:31:25,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:31:25,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:31:25,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:31:25,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:31:25,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:31:25,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:31:25,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:31:25,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:31:25,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:31:25,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:31:25,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:31:25,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:31:25,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:31:25,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:31:25,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:31:25,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:31:25,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:31:25,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:31:25,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:31:25,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:31:25,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:31:25,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:31:25,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:31:25,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:31:25,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:31:25,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:31:25,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:31:25,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:31:25,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:31:25,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:31:25,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:31:25,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:31:25,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:31:25,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:31:25,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:31:25,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:31:25,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:31:25,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:31:25,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:31:25,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:31:25,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 22:31:26,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:31:26,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:31:26,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:31:26,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:31:26,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:31:26,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:31:26,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:31:26,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:31:26,009 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:31:26,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:31:26,009 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:31:26,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:31:26,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:31:26,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:31:26,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:31:26,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:31:26,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:31:26,011 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:31:26,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:31:26,011 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:31:26,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:31:26,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:31:26,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:31:26,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:31:26,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:31:26,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:31:26,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:31:26,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:31:26,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:31:26,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:31:26,019 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:31:26,020 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:31:26,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:31:26,020 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:31:26,020 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_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d082f4414248fc35e1fa616a9787901263e0e45c6e6a28545f00aa25d14032e [2021-12-06 22:31:26,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:31:26,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:31:26,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:31:26,203 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:31:26,204 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:31:26,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/pthread-wmm/rfi008.opt.i [2021-12-06 22:31:26,245 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/data/7ed2d1b6b/6c464319809f49b68339ff76d196e708/FLAGe52e016d6 [2021-12-06 22:31:26,678 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:31:26,679 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/sv-benchmarks/c/pthread-wmm/rfi008.opt.i [2021-12-06 22:31:26,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/data/7ed2d1b6b/6c464319809f49b68339ff76d196e708/FLAGe52e016d6 [2021-12-06 22:31:27,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/data/7ed2d1b6b/6c464319809f49b68339ff76d196e708 [2021-12-06 22:31:27,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:31:27,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:31:27,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:31:27,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:31:27,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:31:27,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:31:27" (1/1) ... [2021-12-06 22:31:27,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b531dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:31:27, skipping insertion in model container [2021-12-06 22:31:27,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:31:27" (1/1) ... [2021-12-06 22:31:27,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:31:27,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:31:27,178 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_d0bcc896-8555-4ca8-8564-5ea18972cdd4/sv-benchmarks/c/pthread-wmm/rfi008.opt.i[987,1000] [2021-12-06 22:31:27,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:31:27,303 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:31:27,312 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_d0bcc896-8555-4ca8-8564-5ea18972cdd4/sv-benchmarks/c/pthread-wmm/rfi008.opt.i[987,1000] [2021-12-06 22:31:27,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:31:27,382 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:31:27,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:31:27 WrapperNode [2021-12-06 22:31:27,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:31:27,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:31:27,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:31:27,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:31:27,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:31:27" (1/1) ... [2021-12-06 22:31:27,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:31:27" (1/1) ... [2021-12-06 22:31:27,437 INFO L137 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 265 [2021-12-06 22:31:27,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:31:27,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:31:27,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:31:27,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:31:27,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:31:27" (1/1) ... [2021-12-06 22:31:27,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:31:27" (1/1) ... [2021-12-06 22:31:27,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:31:27" (1/1) ... [2021-12-06 22:31:27,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:31:27" (1/1) ... [2021-12-06 22:31:27,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:31:27" (1/1) ... [2021-12-06 22:31:27,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:31:27" (1/1) ... [2021-12-06 22:31:27,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:31:27" (1/1) ... [2021-12-06 22:31:27,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:31:27,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:31:27,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:31:27,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:31:27,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:31:27" (1/1) ... [2021-12-06 22:31:27,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:31:27,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:31:27,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:31:27,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:31:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:31:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-06 22:31:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:31:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:31:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:31:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-06 22:31:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-06 22:31:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-06 22:31:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-06 22:31:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:31:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-06 22:31:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:31:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:31:27,545 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 22:31:27,638 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:31:27,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:31:27,979 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:31:28,176 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:31:28,176 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 22:31:28,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:31:28 BoogieIcfgContainer [2021-12-06 22:31:28,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:31:28,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:31:28,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:31:28,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:31:28,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:31:27" (1/3) ... [2021-12-06 22:31:28,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e95fbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:31:28, skipping insertion in model container [2021-12-06 22:31:28,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:31:27" (2/3) ... [2021-12-06 22:31:28,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e95fbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:31:28, skipping insertion in model container [2021-12-06 22:31:28,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:31:28" (3/3) ... [2021-12-06 22:31:28,184 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi008.opt.i [2021-12-06 22:31:28,189 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 22:31:28,189 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:31:28,189 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-06 22:31:28,189 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 22:31:28,218 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,218 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,218 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,219 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,219 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,219 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,219 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,219 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,220 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,220 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,220 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,220 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,220 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,220 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,220 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,221 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,221 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,221 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,221 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,221 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,221 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,221 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,221 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,221 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,222 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,222 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,222 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,222 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,222 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,222 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,222 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,223 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,223 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,223 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,223 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,223 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,223 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,223 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,224 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,224 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,224 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,224 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,230 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,230 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,230 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,230 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,231 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,232 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,232 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,232 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,232 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,232 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,232 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,232 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,233 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,233 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,233 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,233 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,233 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,233 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,233 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,233 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,233 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,233 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,236 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,236 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,236 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,236 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,237 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,238 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,238 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,238 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,238 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,238 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,238 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,239 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,239 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,239 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,239 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,239 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,240 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,240 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,240 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,240 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,240 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,240 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,240 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,240 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,244 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,244 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,244 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,244 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,244 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,244 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,245 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,245 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,245 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,245 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,245 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,245 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,246 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,246 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,246 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,246 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,246 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,246 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,246 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,246 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,247 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,247 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,247 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,247 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,247 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,247 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,247 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,248 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,248 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,248 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,248 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,248 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,248 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,248 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,250 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,251 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,251 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,251 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,251 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,251 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,251 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,251 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,252 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,252 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,252 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,252 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,252 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,252 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,252 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,253 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,253 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,253 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,253 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,256 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,256 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,256 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,256 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,256 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,257 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,257 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,257 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,257 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,257 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,257 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,258 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,258 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,258 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,258 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,258 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,259 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,259 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,259 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,259 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,259 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,259 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,260 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,260 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,260 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,260 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,260 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,261 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,262 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,262 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,262 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,262 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,262 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,262 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,263 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,263 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,263 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,263 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,263 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,263 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,264 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,264 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,264 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,264 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,264 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,265 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,265 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,265 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,265 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,265 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,265 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,266 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,266 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,266 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,266 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,266 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,266 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,266 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,267 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,267 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,267 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,267 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:31:28,267 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-06 22:31:28,305 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:31:28,312 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:31:28,312 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-06 22:31:28,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 98 transitions, 206 flow [2021-12-06 22:31:28,364 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-12-06 22:31:28,364 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 22:31:28,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-12-06 22:31:28,367 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 98 transitions, 206 flow [2021-12-06 22:31:28,371 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 96 transitions, 198 flow [2021-12-06 22:31:28,386 INFO L129 PetriNetUnfolder]: 0/60 cut-off events. [2021-12-06 22:31:28,386 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 22:31:28,386 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:31:28,387 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] [2021-12-06 22:31:28,387 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-06 22:31:28,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:31:28,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1117316809, now seen corresponding path program 1 times [2021-12-06 22:31:28,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:31:28,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962033887] [2021-12-06 22:31:28,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:31:28,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:31:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:28,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:31:28,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:31:28,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962033887] [2021-12-06 22:31:28,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962033887] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:31:28,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:31:28,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:31:28,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426012713] [2021-12-06 22:31:28,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:31:28,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:31:28,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:31:28,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:31:28,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:31:28,622 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 98 [2021-12-06 22:31:28,625 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 96 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:28,625 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:31:28,625 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 98 [2021-12-06 22:31:28,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:31:28,726 INFO L129 PetriNetUnfolder]: 14/169 cut-off events. [2021-12-06 22:31:28,727 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-06 22:31:28,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 169 events. 14/169 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 416 event pairs, 6 based on Foata normal form. 6/164 useless extension candidates. Maximal degree in co-relation 162. Up to 25 conditions per place. [2021-12-06 22:31:28,729 INFO L132 encePairwiseOnDemand]: 93/98 looper letters, 8 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2021-12-06 22:31:28,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 94 transitions, 214 flow [2021-12-06 22:31:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:31:28,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 22:31:28,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 273 transitions. [2021-12-06 22:31:28,739 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9285714285714286 [2021-12-06 22:31:28,740 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 273 transitions. [2021-12-06 22:31:28,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 273 transitions. [2021-12-06 22:31:28,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:31:28,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 273 transitions. [2021-12-06 22:31:28,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:28,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:28,751 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:28,753 INFO L186 Difference]: Start difference. First operand has 101 places, 96 transitions, 198 flow. Second operand 3 states and 273 transitions. [2021-12-06 22:31:28,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 94 transitions, 214 flow [2021-12-06 22:31:28,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 94 transitions, 212 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 22:31:28,759 INFO L242 Difference]: Finished difference. Result has 99 places, 92 transitions, 192 flow [2021-12-06 22:31:28,760 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=99, PETRI_TRANSITIONS=92} [2021-12-06 22:31:28,763 INFO L334 CegarLoopForPetriNet]: 101 programPoint places, -2 predicate places. [2021-12-06 22:31:28,764 INFO L470 AbstractCegarLoop]: Abstraction has has 99 places, 92 transitions, 192 flow [2021-12-06 22:31:28,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:28,764 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:31:28,764 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] [2021-12-06 22:31:28,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:31:28,764 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-06 22:31:28,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:31:28,765 INFO L85 PathProgramCache]: Analyzing trace with hash -392497808, now seen corresponding path program 1 times [2021-12-06 22:31:28,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:31:28,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957457443] [2021-12-06 22:31:28,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:31:28,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:31:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:28,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:31:28,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:31:28,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957457443] [2021-12-06 22:31:28,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957457443] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:31:28,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:31:28,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:31:28,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104602387] [2021-12-06 22:31:28,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:31:28,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:31:28,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:31:28,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:31:28,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:31:28,944 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 98 [2021-12-06 22:31:28,944 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 92 transitions, 192 flow. Second operand has 7 states, 7 states have (on average 75.85714285714286) internal successors, (531), 7 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:28,944 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:31:28,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 98 [2021-12-06 22:31:28,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:31:29,241 INFO L129 PetriNetUnfolder]: 210/742 cut-off events. [2021-12-06 22:31:29,241 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-12-06 22:31:29,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1170 conditions, 742 events. 210/742 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4329 event pairs, 34 based on Foata normal form. 0/717 useless extension candidates. Maximal degree in co-relation 1116. Up to 189 conditions per place. [2021-12-06 22:31:29,246 INFO L132 encePairwiseOnDemand]: 92/98 looper letters, 23 selfloop transitions, 2 changer transitions 49/137 dead transitions. [2021-12-06 22:31:29,246 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 137 transitions, 428 flow [2021-12-06 22:31:29,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:31:29,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 22:31:29,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 733 transitions. [2021-12-06 22:31:29,251 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8310657596371882 [2021-12-06 22:31:29,251 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 733 transitions. [2021-12-06 22:31:29,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 733 transitions. [2021-12-06 22:31:29,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:31:29,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 733 transitions. [2021-12-06 22:31:29,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 81.44444444444444) internal successors, (733), 9 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:29,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:29,258 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:29,258 INFO L186 Difference]: Start difference. First operand has 99 places, 92 transitions, 192 flow. Second operand 9 states and 733 transitions. [2021-12-06 22:31:29,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 137 transitions, 428 flow [2021-12-06 22:31:29,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 137 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 22:31:29,262 INFO L242 Difference]: Finished difference. Result has 112 places, 82 transitions, 188 flow [2021-12-06 22:31:29,262 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=188, PETRI_PLACES=112, PETRI_TRANSITIONS=82} [2021-12-06 22:31:29,263 INFO L334 CegarLoopForPetriNet]: 101 programPoint places, 11 predicate places. [2021-12-06 22:31:29,263 INFO L470 AbstractCegarLoop]: Abstraction has has 112 places, 82 transitions, 188 flow [2021-12-06 22:31:29,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 75.85714285714286) internal successors, (531), 7 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:29,263 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:31:29,263 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] [2021-12-06 22:31:29,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:31:29,264 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-06 22:31:29,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:31:29,264 INFO L85 PathProgramCache]: Analyzing trace with hash -506874896, now seen corresponding path program 1 times [2021-12-06 22:31:29,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:31:29,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797179128] [2021-12-06 22:31:29,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:31:29,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:31:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:31:29,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:31:29,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797179128] [2021-12-06 22:31:29,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797179128] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:31:29,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:31:29,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:31:29,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480726022] [2021-12-06 22:31:29,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:31:29,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:31:29,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:31:29,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:31:29,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:31:29,371 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 98 [2021-12-06 22:31:29,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 82 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 80.66666666666667) internal successors, (484), 6 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:29,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:31:29,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 98 [2021-12-06 22:31:29,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:31:29,562 INFO L129 PetriNetUnfolder]: 70/273 cut-off events. [2021-12-06 22:31:29,562 INFO L130 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2021-12-06 22:31:29,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 498 conditions, 273 events. 70/273 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1006 event pairs, 16 based on Foata normal form. 8/273 useless extension candidates. Maximal degree in co-relation 460. Up to 57 conditions per place. [2021-12-06 22:31:29,564 INFO L132 encePairwiseOnDemand]: 92/98 looper letters, 14 selfloop transitions, 2 changer transitions 22/106 dead transitions. [2021-12-06 22:31:29,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 106 transitions, 330 flow [2021-12-06 22:31:29,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:31:29,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 22:31:29,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 751 transitions. [2021-12-06 22:31:29,567 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8514739229024944 [2021-12-06 22:31:29,567 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 751 transitions. [2021-12-06 22:31:29,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 751 transitions. [2021-12-06 22:31:29,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:31:29,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 751 transitions. [2021-12-06 22:31:29,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 83.44444444444444) internal successors, (751), 9 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:29,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:29,572 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:29,572 INFO L186 Difference]: Start difference. First operand has 112 places, 82 transitions, 188 flow. Second operand 9 states and 751 transitions. [2021-12-06 22:31:29,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 106 transitions, 330 flow [2021-12-06 22:31:29,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 106 transitions, 298 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-12-06 22:31:29,576 INFO L242 Difference]: Finished difference. Result has 103 places, 82 transitions, 192 flow [2021-12-06 22:31:29,577 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=192, PETRI_PLACES=103, PETRI_TRANSITIONS=82} [2021-12-06 22:31:29,577 INFO L334 CegarLoopForPetriNet]: 101 programPoint places, 2 predicate places. [2021-12-06 22:31:29,577 INFO L470 AbstractCegarLoop]: Abstraction has has 103 places, 82 transitions, 192 flow [2021-12-06 22:31:29,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.66666666666667) internal successors, (484), 6 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:29,578 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:31:29,578 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] [2021-12-06 22:31:29,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:31:29,578 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-06 22:31:29,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:31:29,579 INFO L85 PathProgramCache]: Analyzing trace with hash -222538761, now seen corresponding path program 1 times [2021-12-06 22:31:29,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:31:29,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139250514] [2021-12-06 22:31:29,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:31:29,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:31:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:31:29,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:31:29,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139250514] [2021-12-06 22:31:29,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139250514] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:31:29,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:31:29,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:31:29,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504174534] [2021-12-06 22:31:29,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:31:29,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:31:29,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:31:29,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:31:29,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:31:29,689 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 98 [2021-12-06 22:31:29,690 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 82 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:29,690 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:31:29,690 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 98 [2021-12-06 22:31:29,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:31:29,939 INFO L129 PetriNetUnfolder]: 155/446 cut-off events. [2021-12-06 22:31:29,939 INFO L130 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2021-12-06 22:31:29,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 856 conditions, 446 events. 155/446 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2095 event pairs, 14 based on Foata normal form. 0/436 useless extension candidates. Maximal degree in co-relation 825. Up to 79 conditions per place. [2021-12-06 22:31:29,941 INFO L132 encePairwiseOnDemand]: 89/98 looper letters, 24 selfloop transitions, 5 changer transitions 40/134 dead transitions. [2021-12-06 22:31:29,941 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 134 transitions, 457 flow [2021-12-06 22:31:29,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 22:31:29,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 22:31:29,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 841 transitions. [2021-12-06 22:31:29,944 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8581632653061224 [2021-12-06 22:31:29,944 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 841 transitions. [2021-12-06 22:31:29,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 841 transitions. [2021-12-06 22:31:29,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:31:29,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 841 transitions. [2021-12-06 22:31:29,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 84.1) internal successors, (841), 10 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:29,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 98.0) internal successors, (1078), 11 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:29,949 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 98.0) internal successors, (1078), 11 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:29,949 INFO L186 Difference]: Start difference. First operand has 103 places, 82 transitions, 192 flow. Second operand 10 states and 841 transitions. [2021-12-06 22:31:29,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 134 transitions, 457 flow [2021-12-06 22:31:29,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 134 transitions, 427 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-12-06 22:31:29,953 INFO L242 Difference]: Finished difference. Result has 104 places, 83 transitions, 218 flow [2021-12-06 22:31:29,953 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=218, PETRI_PLACES=104, PETRI_TRANSITIONS=83} [2021-12-06 22:31:29,953 INFO L334 CegarLoopForPetriNet]: 101 programPoint places, 3 predicate places. [2021-12-06 22:31:29,954 INFO L470 AbstractCegarLoop]: Abstraction has has 104 places, 83 transitions, 218 flow [2021-12-06 22:31:29,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:29,954 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:31:29,954 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] [2021-12-06 22:31:29,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:31:29,954 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-06 22:31:29,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:31:29,955 INFO L85 PathProgramCache]: Analyzing trace with hash 271998680, now seen corresponding path program 1 times [2021-12-06 22:31:29,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:31:29,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49235605] [2021-12-06 22:31:29,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:31:29,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:31:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:31:30,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:31:30,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49235605] [2021-12-06 22:31:30,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49235605] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:31:30,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:31:30,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:31:30,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625187203] [2021-12-06 22:31:30,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:31:30,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:31:30,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:31:30,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:31:30,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:31:30,075 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 98 [2021-12-06 22:31:30,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 83 transitions, 218 flow. Second operand has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:30,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:31:30,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 98 [2021-12-06 22:31:30,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:31:30,257 INFO L129 PetriNetUnfolder]: 33/179 cut-off events. [2021-12-06 22:31:30,257 INFO L130 PetriNetUnfolder]: For 97/97 co-relation queries the response was YES. [2021-12-06 22:31:30,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 389 conditions, 179 events. 33/179 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 495 event pairs, 4 based on Foata normal form. 7/185 useless extension candidates. Maximal degree in co-relation 362. Up to 26 conditions per place. [2021-12-06 22:31:30,259 INFO L132 encePairwiseOnDemand]: 90/98 looper letters, 16 selfloop transitions, 7 changer transitions 19/107 dead transitions. [2021-12-06 22:31:30,259 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 107 transitions, 398 flow [2021-12-06 22:31:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 22:31:30,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 22:31:30,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 814 transitions. [2021-12-06 22:31:30,262 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8306122448979592 [2021-12-06 22:31:30,262 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 814 transitions. [2021-12-06 22:31:30,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 814 transitions. [2021-12-06 22:31:30,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:31:30,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 814 transitions. [2021-12-06 22:31:30,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 81.4) internal successors, (814), 10 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:30,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 98.0) internal successors, (1078), 11 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:30,269 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 98.0) internal successors, (1078), 11 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:30,269 INFO L186 Difference]: Start difference. First operand has 104 places, 83 transitions, 218 flow. Second operand 10 states and 814 transitions. [2021-12-06 22:31:30,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 107 transitions, 398 flow [2021-12-06 22:31:30,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 107 transitions, 352 flow, removed 15 selfloop flow, removed 7 redundant places. [2021-12-06 22:31:30,274 INFO L242 Difference]: Finished difference. Result has 106 places, 83 transitions, 226 flow [2021-12-06 22:31:30,274 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=226, PETRI_PLACES=106, PETRI_TRANSITIONS=83} [2021-12-06 22:31:30,275 INFO L334 CegarLoopForPetriNet]: 101 programPoint places, 5 predicate places. [2021-12-06 22:31:30,275 INFO L470 AbstractCegarLoop]: Abstraction has has 106 places, 83 transitions, 226 flow [2021-12-06 22:31:30,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:30,275 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:31:30,275 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] [2021-12-06 22:31:30,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:31:30,276 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-06 22:31:30,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:31:30,276 INFO L85 PathProgramCache]: Analyzing trace with hash 2025119815, now seen corresponding path program 1 times [2021-12-06 22:31:30,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:31:30,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610359986] [2021-12-06 22:31:30,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:31:30,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:31:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:30,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:31:30,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:31:30,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610359986] [2021-12-06 22:31:30,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610359986] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:31:30,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:31:30,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:31:30,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329088042] [2021-12-06 22:31:30,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:31:30,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:31:30,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:31:30,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:31:30,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:31:30,430 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 98 [2021-12-06 22:31:30,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 83 transitions, 226 flow. Second operand has 7 states, 7 states have (on average 75.0) internal successors, (525), 7 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:30,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:31:30,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 98 [2021-12-06 22:31:30,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:31:30,573 INFO L129 PetriNetUnfolder]: 18/163 cut-off events. [2021-12-06 22:31:30,573 INFO L130 PetriNetUnfolder]: For 69/69 co-relation queries the response was YES. [2021-12-06 22:31:30,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 163 events. 18/163 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 372 event pairs, 0 based on Foata normal form. 1/162 useless extension candidates. Maximal degree in co-relation 272. Up to 40 conditions per place. [2021-12-06 22:31:30,574 INFO L132 encePairwiseOnDemand]: 86/98 looper letters, 21 selfloop transitions, 8 changer transitions 5/96 dead transitions. [2021-12-06 22:31:30,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 96 transitions, 322 flow [2021-12-06 22:31:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:31:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-12-06 22:31:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 611 transitions. [2021-12-06 22:31:30,576 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7793367346938775 [2021-12-06 22:31:30,576 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 611 transitions. [2021-12-06 22:31:30,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 611 transitions. [2021-12-06 22:31:30,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:31:30,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 611 transitions. [2021-12-06 22:31:30,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 76.375) internal successors, (611), 8 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:30,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 98.0) internal successors, (882), 9 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:30,579 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 98.0) internal successors, (882), 9 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:30,579 INFO L186 Difference]: Start difference. First operand has 106 places, 83 transitions, 226 flow. Second operand 8 states and 611 transitions. [2021-12-06 22:31:30,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 96 transitions, 322 flow [2021-12-06 22:31:30,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 96 transitions, 276 flow, removed 13 selfloop flow, removed 13 redundant places. [2021-12-06 22:31:30,582 INFO L242 Difference]: Finished difference. Result has 101 places, 86 transitions, 223 flow [2021-12-06 22:31:30,582 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=223, PETRI_PLACES=101, PETRI_TRANSITIONS=86} [2021-12-06 22:31:30,583 INFO L334 CegarLoopForPetriNet]: 101 programPoint places, 0 predicate places. [2021-12-06 22:31:30,583 INFO L470 AbstractCegarLoop]: Abstraction has has 101 places, 86 transitions, 223 flow [2021-12-06 22:31:30,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 75.0) internal successors, (525), 7 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:30,583 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:31:30,583 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] [2021-12-06 22:31:30,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 22:31:30,584 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-06 22:31:30,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:31:30,584 INFO L85 PathProgramCache]: Analyzing trace with hash -671371529, now seen corresponding path program 2 times [2021-12-06 22:31:30,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:31:30,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117878455] [2021-12-06 22:31:30,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:31:30,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:31:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:31:30,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:31:30,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117878455] [2021-12-06 22:31:30,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117878455] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:31:30,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:31:30,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 22:31:30,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441845212] [2021-12-06 22:31:30,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:31:30,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 22:31:30,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:31:30,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 22:31:30,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-12-06 22:31:30,892 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 98 [2021-12-06 22:31:30,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 86 transitions, 223 flow. Second operand has 13 states, 13 states have (on average 71.76923076923077) internal successors, (933), 13 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:30,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:31:30,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 98 [2021-12-06 22:31:30,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:31:31,137 INFO L129 PetriNetUnfolder]: 9/155 cut-off events. [2021-12-06 22:31:31,138 INFO L130 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2021-12-06 22:31:31,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 155 events. 9/155 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 341 event pairs, 0 based on Foata normal form. 1/155 useless extension candidates. Maximal degree in co-relation 250. Up to 14 conditions per place. [2021-12-06 22:31:31,139 INFO L132 encePairwiseOnDemand]: 84/98 looper letters, 15 selfloop transitions, 9 changer transitions 12/98 dead transitions. [2021-12-06 22:31:31,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 98 transitions, 337 flow [2021-12-06 22:31:31,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 22:31:31,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-06 22:31:31,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1155 transitions. [2021-12-06 22:31:31,143 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7366071428571429 [2021-12-06 22:31:31,143 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1155 transitions. [2021-12-06 22:31:31,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1155 transitions. [2021-12-06 22:31:31,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:31:31,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1155 transitions. [2021-12-06 22:31:31,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 72.1875) internal successors, (1155), 16 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:31,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 98.0) internal successors, (1666), 17 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:31,152 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 98.0) internal successors, (1666), 17 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:31,153 INFO L186 Difference]: Start difference. First operand has 101 places, 86 transitions, 223 flow. Second operand 16 states and 1155 transitions. [2021-12-06 22:31:31,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 98 transitions, 337 flow [2021-12-06 22:31:31,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 98 transitions, 318 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-12-06 22:31:31,156 INFO L242 Difference]: Finished difference. Result has 115 places, 86 transitions, 250 flow [2021-12-06 22:31:31,156 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=250, PETRI_PLACES=115, PETRI_TRANSITIONS=86} [2021-12-06 22:31:31,157 INFO L334 CegarLoopForPetriNet]: 101 programPoint places, 14 predicate places. [2021-12-06 22:31:31,157 INFO L470 AbstractCegarLoop]: Abstraction has has 115 places, 86 transitions, 250 flow [2021-12-06 22:31:31,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 71.76923076923077) internal successors, (933), 13 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:31,158 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:31:31,158 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] [2021-12-06 22:31:31,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 22:31:31,158 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-06 22:31:31,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:31:31,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1929276681, now seen corresponding path program 3 times [2021-12-06 22:31:31,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:31:31,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098929396] [2021-12-06 22:31:31,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:31:31,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:31:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:31:31,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:31:31,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098929396] [2021-12-06 22:31:31,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098929396] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:31:31,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:31:31,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:31:31,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473472221] [2021-12-06 22:31:31,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:31:31,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:31:31,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:31:31,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:31:31,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:31:31,301 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 98 [2021-12-06 22:31:31,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 86 transitions, 250 flow. Second operand has 8 states, 8 states have (on average 74.625) internal successors, (597), 8 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:31,302 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:31:31,302 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 98 [2021-12-06 22:31:31,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:31:31,450 INFO L129 PetriNetUnfolder]: 13/167 cut-off events. [2021-12-06 22:31:31,450 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2021-12-06 22:31:31,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 167 events. 13/167 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 422 event pairs, 1 based on Foata normal form. 1/167 useless extension candidates. Maximal degree in co-relation 326. Up to 29 conditions per place. [2021-12-06 22:31:31,451 INFO L132 encePairwiseOnDemand]: 88/98 looper letters, 16 selfloop transitions, 5 changer transitions 14/97 dead transitions. [2021-12-06 22:31:31,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 97 transitions, 376 flow [2021-12-06 22:31:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:31:31,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-12-06 22:31:31,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 611 transitions. [2021-12-06 22:31:31,454 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7793367346938775 [2021-12-06 22:31:31,454 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 611 transitions. [2021-12-06 22:31:31,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 611 transitions. [2021-12-06 22:31:31,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:31:31,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 611 transitions. [2021-12-06 22:31:31,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 76.375) internal successors, (611), 8 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:31,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 98.0) internal successors, (882), 9 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:31,459 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 98.0) internal successors, (882), 9 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:31,459 INFO L186 Difference]: Start difference. First operand has 115 places, 86 transitions, 250 flow. Second operand 8 states and 611 transitions. [2021-12-06 22:31:31,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 97 transitions, 376 flow [2021-12-06 22:31:31,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 97 transitions, 332 flow, removed 7 selfloop flow, removed 13 redundant places. [2021-12-06 22:31:31,463 INFO L242 Difference]: Finished difference. Result has 107 places, 83 transitions, 220 flow [2021-12-06 22:31:31,463 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=220, PETRI_PLACES=107, PETRI_TRANSITIONS=83} [2021-12-06 22:31:31,464 INFO L334 CegarLoopForPetriNet]: 101 programPoint places, 6 predicate places. [2021-12-06 22:31:31,464 INFO L470 AbstractCegarLoop]: Abstraction has has 107 places, 83 transitions, 220 flow [2021-12-06 22:31:31,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 74.625) internal successors, (597), 8 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:31:31,464 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:31:31,465 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] [2021-12-06 22:31:31,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 22:31:31,465 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-06 22:31:31,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:31:31,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1725308085, now seen corresponding path program 4 times [2021-12-06 22:31:31,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:31:31,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911933768] [2021-12-06 22:31:31,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:31:31,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:31:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:31:31,498 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:31:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:31:31,577 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:31:31,577 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 22:31:31,578 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-12-06 22:31:31,579 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-12-06 22:31:31,579 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2021-12-06 22:31:31,580 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2021-12-06 22:31:31,580 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-12-06 22:31:31,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 22:31:31,583 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2021-12-06 22:31:31,587 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-06 22:31:31,587 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:31:31,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:31:31 BasicIcfg [2021-12-06 22:31:31,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:31:31,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:31:31,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:31:31,700 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:31:31,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:31:28" (3/4) ... [2021-12-06 22:31:31,702 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-06 22:31:31,789 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:31:31,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:31:31,790 INFO L158 Benchmark]: Toolchain (without parser) took 4766.53ms. Allocated memory was 79.7MB in the beginning and 197.1MB in the end (delta: 117.4MB). Free memory was 54.7MB in the beginning and 151.9MB in the end (delta: -97.2MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. [2021-12-06 22:31:31,790 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 79.7MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:31:31,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.06ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 54.5MB in the beginning and 68.4MB in the end (delta: -13.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-06 22:31:31,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.56ms. Allocated memory is still 113.2MB. Free memory was 68.4MB in the beginning and 65.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:31:31,791 INFO L158 Benchmark]: Boogie Preprocessor took 31.00ms. Allocated memory is still 113.2MB. Free memory was 65.4MB in the beginning and 63.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:31:31,791 INFO L158 Benchmark]: RCFGBuilder took 708.69ms. Allocated memory is still 113.2MB. Free memory was 63.0MB in the beginning and 48.5MB in the end (delta: 14.5MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2021-12-06 22:31:31,791 INFO L158 Benchmark]: TraceAbstraction took 3519.94ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 47.8MB in the beginning and 54.2MB in the end (delta: -6.4MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2021-12-06 22:31:31,791 INFO L158 Benchmark]: Witness Printer took 89.68ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 54.2MB in the beginning and 151.9MB in the end (delta: -97.7MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2021-12-06 22:31:31,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 79.7MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.06ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 54.5MB in the beginning and 68.4MB in the end (delta: -13.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.56ms. Allocated memory is still 113.2MB. Free memory was 68.4MB in the beginning and 65.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.00ms. Allocated memory is still 113.2MB. Free memory was 65.4MB in the beginning and 63.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 708.69ms. Allocated memory is still 113.2MB. Free memory was 63.0MB in the beginning and 48.5MB in the end (delta: 14.5MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3519.94ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 47.8MB in the beginning and 54.2MB in the end (delta: -6.4MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * Witness Printer took 89.68ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 54.2MB in the beginning and 151.9MB in the end (delta: -97.7MB). Peak memory consumption was 17.7MB. 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: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L713] 0 int __unbuffered_p0_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0] [L715] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0] [L717] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L718] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L719] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L721] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L723] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L724] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L725] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L726] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L727] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L728] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L729] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L730] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L731] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L732] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L733] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L734] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L735] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L736] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L737] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L738] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L739] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L826] 0 pthread_t t1723; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1723={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L827] FCALL, FORK 0 pthread_create(&t1723, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1723, ((void *)0), P0, ((void *)0))=-1, t1723={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L828] 0 pthread_t t1724; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1723={5:0}, t1724={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L829] FCALL, FORK 0 pthread_create(&t1724, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1724, ((void *)0), P1, ((void *)0))=0, t1723={5:0}, t1724={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L774] 2 y$w_buff1 = y$w_buff0 [L775] 2 y$w_buff0 = 1 [L776] 2 y$w_buff1_used = y$w_buff0_used [L777] 2 y$w_buff0_used = (_Bool)1 [L778] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L778] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L779] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L780] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L781] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L782] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L785] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L786] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L787] 2 y$flush_delayed = weak$$choice2 [L788] 2 y$mem_tmp = y [L789] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L789] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L789] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L789] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L790] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L790] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L791] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L791] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L792] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L792] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L793] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L793] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L794] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L794] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L795] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L795] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L796] 2 __unbuffered_p1_EAX = y [L797] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L797] 2 y = y$flush_delayed ? y$mem_tmp : y [L798] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L801] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L743] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L746] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L750] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L751] 1 y$flush_delayed = weak$$choice2 [L752] 1 y$mem_tmp = y [L753] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L753] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L754] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L754] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L755] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L755] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L756] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L756] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L757] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L758] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L759] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] 1 __unbuffered_p0_EBX = y [L761] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L761] 1 y = y$flush_delayed ? y$mem_tmp : y [L762] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L804] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L804] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L805] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L805] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L806] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L806] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L807] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L807] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L808] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L808] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L811] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L831] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1723={5:0}, t1724={3:0}, weak$$choice0=2, weak$$choice2=1, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L833] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L833] RET 0 assume_abort_if_not(main$tmp_guard0) [L835] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L835] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L835] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L835] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L836] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L836] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L837] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L837] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L838] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L838] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L839] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L839] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L842] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1723={5:0}, t1724={3:0}, weak$$choice0=2, weak$$choice2=1, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L844] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L19] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - UnprovableResult [Line: 19]: 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: 827]: 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: 829]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 117 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 275 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 275 mSDsluCounter, 342 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 568 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 742 IncrementalHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 73 mSDtfsCounter, 742 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=7, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 640 NumberOfCodeBlocks, 640 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 555 ConstructedInterpolants, 0 QuantifiedInterpolants, 2984 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-12-06 22:31:31,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bcc896-8555-4ca8-8564-5ea18972cdd4/bin/uautomizer-DrprNOufMa/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