./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix018.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix018.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg --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 a7349305eeae716fa3a7c11218caa894d6e5121d77db0055a98af7bd7c666586 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:53:20,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:53:20,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:53:20,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:53:20,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:53:20,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:53:20,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:53:20,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:53:20,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:53:20,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:53:20,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:53:20,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:53:20,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:53:20,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:53:20,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:53:20,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:53:20,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:53:20,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:53:20,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:53:20,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:53:20,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:53:20,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:53:20,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:53:20,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:53:20,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:53:20,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:53:20,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:53:20,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:53:20,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:53:20,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:53:20,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:53:20,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:53:20,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:53:20,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:53:20,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:53:20,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:53:20,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:53:20,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:53:20,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:53:20,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:53:20,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:53:20,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:53:20,859 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:53:20,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:53:20,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:53:20,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:53:20,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:53:20,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:53:20,862 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:53:20,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:53:20,863 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:53:20,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:53:20,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:53:20,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:53:20,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:53:20,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:53:20,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:53:20,865 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:53:20,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:53:20,865 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:53:20,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:53:20,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:53:20,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:53:20,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:53:20,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:53:20,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:53:20,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:53:20,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:53:20,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:53:20,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:53:20,868 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:53:20,868 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:53:20,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:53:20,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:53:20,869 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_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7349305eeae716fa3a7c11218caa894d6e5121d77db0055a98af7bd7c666586 [2021-10-28 09:53:21,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:53:21,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:53:21,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:53:21,163 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:53:21,164 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:53:21,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/pthread-wmm/mix018.opt.i [2021-10-28 09:53:21,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/data/4ce30a36d/6921169209f2449aa1634c7d46f595a2/FLAGf42d77749 [2021-10-28 09:53:21,949 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:53:21,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/sv-benchmarks/c/pthread-wmm/mix018.opt.i [2021-10-28 09:53:21,978 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/data/4ce30a36d/6921169209f2449aa1634c7d46f595a2/FLAGf42d77749 [2021-10-28 09:53:22,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/data/4ce30a36d/6921169209f2449aa1634c7d46f595a2 [2021-10-28 09:53:22,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:53:22,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:53:22,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:53:22,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:53:22,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:53:22,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:53:22" (1/1) ... [2021-10-28 09:53:22,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f0e231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:22, skipping insertion in model container [2021-10-28 09:53:22,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:53:22" (1/1) ... [2021-10-28 09:53:22,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:53:22,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:53:22,495 WARN L228 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_0ef5b316-b5b9-4d77-83cb-4261cefb815f/sv-benchmarks/c/pthread-wmm/mix018.opt.i[944,957] [2021-10-28 09:53:22,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:53:22,952 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:53:22,972 WARN L228 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_0ef5b316-b5b9-4d77-83cb-4261cefb815f/sv-benchmarks/c/pthread-wmm/mix018.opt.i[944,957] [2021-10-28 09:53:23,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:53:23,117 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:53:23,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:23 WrapperNode [2021-10-28 09:53:23,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:53:23,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:53:23,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:53:23,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:53:23,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:23" (1/1) ... [2021-10-28 09:53:23,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:23" (1/1) ... [2021-10-28 09:53:23,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:53:23,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:53:23,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:53:23,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:53:23,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:23" (1/1) ... [2021-10-28 09:53:23,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:23" (1/1) ... [2021-10-28 09:53:23,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:23" (1/1) ... [2021-10-28 09:53:23,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:23" (1/1) ... [2021-10-28 09:53:23,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:23" (1/1) ... [2021-10-28 09:53:23,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:23" (1/1) ... [2021-10-28 09:53:23,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:23" (1/1) ... [2021-10-28 09:53:23,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:53:23,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:53:23,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:53:23,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:53:23,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:23" (1/1) ... [2021-10-28 09:53:23,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:53:23,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:53:23,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:53:23,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:53:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:53:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-28 09:53:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:53:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:53:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-28 09:53:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-28 09:53:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-28 09:53:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-28 09:53:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-28 09:53:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-28 09:53:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-10-28 09:53:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-10-28 09:53:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:53:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-28 09:53:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:53:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:53:23,421 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-28 09:53:26,319 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:53:26,319 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-28 09:53:26,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:53:26 BoogieIcfgContainer [2021-10-28 09:53:26,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:53:26,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:53:26,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:53:26,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:53:26,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:53:22" (1/3) ... [2021-10-28 09:53:26,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a343194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:53:26, skipping insertion in model container [2021-10-28 09:53:26,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:23" (2/3) ... [2021-10-28 09:53:26,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a343194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:53:26, skipping insertion in model container [2021-10-28 09:53:26,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:53:26" (3/3) ... [2021-10-28 09:53:26,339 INFO L111 eAbstractionObserver]: Analyzing ICFG mix018.opt.i [2021-10-28 09:53:26,348 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 09:53:26,348 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:53:26,349 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-28 09:53:26,349 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 09:53:26,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,458 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,458 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,459 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,459 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,460 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,460 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,461 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,461 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,462 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,463 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,464 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,464 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,467 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,467 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,468 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,468 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,468 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,469 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,469 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,469 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,469 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,469 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,487 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,507 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,507 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,508 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,508 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,508 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,509 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,509 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,510 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,510 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,510 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,510 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,515 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,518 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,524 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,524 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,524 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,524 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,524 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,524 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,529 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,530 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,548 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,548 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,552 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,562 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,563 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,563 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,563 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,563 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,563 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,566 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,570 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,570 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,572 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,574 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,577 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:53:26,579 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-28 09:53:26,643 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:53:26,653 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 [2021-10-28 09:53:26,653 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-28 09:53:26,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 127 transitions, 274 flow [2021-10-28 09:53:26,734 INFO L129 PetriNetUnfolder]: 2/123 cut-off events. [2021-10-28 09:53:26,735 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 09:53:26,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 123 events. 2/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 84. Up to 2 conditions per place. [2021-10-28 09:53:26,740 INFO L82 GeneralOperation]: Start removeDead. Operand has 138 places, 127 transitions, 274 flow [2021-10-28 09:53:26,747 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 134 places, 123 transitions, 258 flow [2021-10-28 09:53:26,772 INFO L129 PetriNetUnfolder]: 0/88 cut-off events. [2021-10-28 09:53:26,772 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 09:53:26,772 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:53:26,773 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] [2021-10-28 09:53:26,773 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 09:53:26,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:26,786 INFO L85 PathProgramCache]: Analyzing trace with hash 359991442, now seen corresponding path program 1 times [2021-10-28 09:53:26,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:26,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754984606] [2021-10-28 09:53:26,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:26,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:27,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:53:27,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:53:27,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754984606] [2021-10-28 09:53:27,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754984606] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:27,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:27,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:53:27,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571727952] [2021-10-28 09:53:27,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:53:27,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:53:27,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:53:27,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:53:27,367 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 127 [2021-10-28 09:53:27,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 123 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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) [2021-10-28 09:53:27,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:53:27,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 127 [2021-10-28 09:53:27,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:53:27,495 INFO L129 PetriNetUnfolder]: 13/157 cut-off events. [2021-10-28 09:53:27,496 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 09:53:27,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 157 events. 13/157 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 259 event pairs, 1 based on Foata normal form. 7/156 useless extension candidates. Maximal degree in co-relation 146. Up to 25 conditions per place. [2021-10-28 09:53:27,501 INFO L132 encePairwiseOnDemand]: 122/127 looper letters, 6 selfloop transitions, 2 changer transitions 0/121 dead transitions. [2021-10-28 09:53:27,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 121 transitions, 270 flow [2021-10-28 09:53:27,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:53:27,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-28 09:53:27,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2021-10-28 09:53:27,523 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9553805774278216 [2021-10-28 09:53:27,524 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 364 transitions. [2021-10-28 09:53:27,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 364 transitions. [2021-10-28 09:53:27,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:53:27,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 364 transitions. [2021-10-28 09:53:27,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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) [2021-10-28 09:53:27,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 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) [2021-10-28 09:53:27,541 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 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) [2021-10-28 09:53:27,543 INFO L186 Difference]: Start difference. First operand has 134 places, 123 transitions, 258 flow. Second operand 3 states and 364 transitions. [2021-10-28 09:53:27,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 121 transitions, 270 flow [2021-10-28 09:53:27,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 121 transitions, 266 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-28 09:53:27,554 INFO L242 Difference]: Finished difference. Result has 130 places, 119 transitions, 250 flow [2021-10-28 09:53:27,556 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=130, PETRI_TRANSITIONS=119} [2021-10-28 09:53:27,557 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, -4 predicate places. [2021-10-28 09:53:27,557 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 119 transitions, 250 flow [2021-10-28 09:53:27,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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) [2021-10-28 09:53:27,557 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:53:27,558 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:27,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:53:27,558 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 09:53:27,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:27,561 INFO L85 PathProgramCache]: Analyzing trace with hash 831071007, now seen corresponding path program 1 times [2021-10-28 09:53:27,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:27,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041126905] [2021-10-28 09:53:27,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:27,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:27,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:53:27,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:53:27,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041126905] [2021-10-28 09:53:27,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041126905] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:27,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:27,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:53:27,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320985182] [2021-10-28 09:53:27,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:53:27,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:53:27,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:53:27,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:53:27,948 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 127 [2021-10-28 09:53:27,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 119 transitions, 250 flow. Second operand has 7 states, 7 states have (on average 107.57142857142857) internal successors, (753), 7 states have internal predecessors, (753), 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) [2021-10-28 09:53:27,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:53:27,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 127 [2021-10-28 09:53:27,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:53:28,946 INFO L129 PetriNetUnfolder]: 973/2890 cut-off events. [2021-10-28 09:53:28,946 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 09:53:28,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4385 conditions, 2890 events. 973/2890 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 24721 event pairs, 81 based on Foata normal form. 0/2812 useless extension candidates. Maximal degree in co-relation 4328. Up to 579 conditions per place. [2021-10-28 09:53:28,977 INFO L132 encePairwiseOnDemand]: 116/127 looper letters, 22 selfloop transitions, 7 changer transitions 69/188 dead transitions. [2021-10-28 09:53:28,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 188 transitions, 562 flow [2021-10-28 09:53:28,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 09:53:28,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 09:53:28,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1468 transitions. [2021-10-28 09:53:28,985 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8891580860084797 [2021-10-28 09:53:28,985 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1468 transitions. [2021-10-28 09:53:28,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1468 transitions. [2021-10-28 09:53:28,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:53:28,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1468 transitions. [2021-10-28 09:53:28,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 112.92307692307692) internal successors, (1468), 13 states have internal predecessors, (1468), 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) [2021-10-28 09:53:29,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 127.0) internal successors, (1778), 14 states have internal predecessors, (1778), 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) [2021-10-28 09:53:29,003 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 127.0) internal successors, (1778), 14 states have internal predecessors, (1778), 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) [2021-10-28 09:53:29,003 INFO L186 Difference]: Start difference. First operand has 130 places, 119 transitions, 250 flow. Second operand 13 states and 1468 transitions. [2021-10-28 09:53:29,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 188 transitions, 562 flow [2021-10-28 09:53:29,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 188 transitions, 558 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 09:53:29,013 INFO L242 Difference]: Finished difference. Result has 152 places, 112 transitions, 322 flow [2021-10-28 09:53:29,013 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=322, PETRI_PLACES=152, PETRI_TRANSITIONS=112} [2021-10-28 09:53:29,014 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, 18 predicate places. [2021-10-28 09:53:29,014 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 112 transitions, 322 flow [2021-10-28 09:53:29,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 107.57142857142857) internal successors, (753), 7 states have internal predecessors, (753), 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) [2021-10-28 09:53:29,015 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:53:29,015 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:29,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:53:29,016 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 09:53:29,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:29,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1368533798, now seen corresponding path program 1 times [2021-10-28 09:53:29,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:29,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624782300] [2021-10-28 09:53:29,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:29,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:53:29,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:53:29,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624782300] [2021-10-28 09:53:29,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624782300] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:29,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:29,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:53:29,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107282961] [2021-10-28 09:53:29,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:53:29,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:53:29,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:53:29,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:53:29,365 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 127 [2021-10-28 09:53:29,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 112 transitions, 322 flow. Second operand has 7 states, 7 states have (on average 107.71428571428571) internal successors, (754), 7 states have internal predecessors, (754), 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) [2021-10-28 09:53:29,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:53:29,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 127 [2021-10-28 09:53:29,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:53:29,990 INFO L129 PetriNetUnfolder]: 559/1445 cut-off events. [2021-10-28 09:53:29,991 INFO L130 PetriNetUnfolder]: For 3358/4274 co-relation queries the response was YES. [2021-10-28 09:53:30,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4922 conditions, 1445 events. 559/1445 cut-off events. For 3358/4274 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 9948 event pairs, 76 based on Foata normal form. 36/1451 useless extension candidates. Maximal degree in co-relation 4853. Up to 552 conditions per place. [2021-10-28 09:53:30,013 INFO L132 encePairwiseOnDemand]: 114/127 looper letters, 20 selfloop transitions, 16 changer transitions 49/175 dead transitions. [2021-10-28 09:53:30,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 175 transitions, 984 flow [2021-10-28 09:53:30,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 09:53:30,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 09:53:30,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1461 transitions. [2021-10-28 09:53:30,020 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8849182313749243 [2021-10-28 09:53:30,020 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1461 transitions. [2021-10-28 09:53:30,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1461 transitions. [2021-10-28 09:53:30,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:53:30,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1461 transitions. [2021-10-28 09:53:30,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 112.38461538461539) internal successors, (1461), 13 states have internal predecessors, (1461), 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) [2021-10-28 09:53:30,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 127.0) internal successors, (1778), 14 states have internal predecessors, (1778), 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) [2021-10-28 09:53:30,036 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 127.0) internal successors, (1778), 14 states have internal predecessors, (1778), 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) [2021-10-28 09:53:30,037 INFO L186 Difference]: Start difference. First operand has 152 places, 112 transitions, 322 flow. Second operand 13 states and 1461 transitions. [2021-10-28 09:53:30,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 175 transitions, 984 flow [2021-10-28 09:53:30,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 175 transitions, 932 flow, removed 24 selfloop flow, removed 4 redundant places. [2021-10-28 09:53:30,066 INFO L242 Difference]: Finished difference. Result has 150 places, 119 transitions, 447 flow [2021-10-28 09:53:30,068 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=447, PETRI_PLACES=150, PETRI_TRANSITIONS=119} [2021-10-28 09:53:30,068 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, 16 predicate places. [2021-10-28 09:53:30,069 INFO L470 AbstractCegarLoop]: Abstraction has has 150 places, 119 transitions, 447 flow [2021-10-28 09:53:30,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 107.71428571428571) internal successors, (754), 7 states have internal predecessors, (754), 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) [2021-10-28 09:53:30,070 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:53:30,070 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:30,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:53:30,071 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 09:53:30,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:30,072 INFO L85 PathProgramCache]: Analyzing trace with hash -237491685, now seen corresponding path program 1 times [2021-10-28 09:53:30,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:30,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605803196] [2021-10-28 09:53:30,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:30,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:30,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:53:30,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:53:30,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605803196] [2021-10-28 09:53:30,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605803196] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:30,256 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:30,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:53:30,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788169909] [2021-10-28 09:53:30,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:53:30,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:53:30,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:53:30,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:53:30,264 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 127 [2021-10-28 09:53:30,265 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 119 transitions, 447 flow. Second operand has 6 states, 6 states have (on average 113.16666666666667) internal successors, (679), 6 states have internal predecessors, (679), 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) [2021-10-28 09:53:30,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:53:30,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 127 [2021-10-28 09:53:30,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:53:31,444 INFO L129 PetriNetUnfolder]: 2275/4987 cut-off events. [2021-10-28 09:53:31,444 INFO L130 PetriNetUnfolder]: For 4876/5189 co-relation queries the response was YES. [2021-10-28 09:53:31,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11472 conditions, 4987 events. 2275/4987 cut-off events. For 4876/5189 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 46611 event pairs, 346 based on Foata normal form. 22/4419 useless extension candidates. Maximal degree in co-relation 11395. Up to 1343 conditions per place. [2021-10-28 09:53:31,546 INFO L132 encePairwiseOnDemand]: 116/127 looper letters, 29 selfloop transitions, 20 changer transitions 0/156 dead transitions. [2021-10-28 09:53:31,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 156 transitions, 619 flow [2021-10-28 09:53:31,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:53:31,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-28 09:53:31,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1171 transitions. [2021-10-28 09:53:31,552 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9220472440944882 [2021-10-28 09:53:31,552 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1171 transitions. [2021-10-28 09:53:31,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1171 transitions. [2021-10-28 09:53:31,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:53:31,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1171 transitions. [2021-10-28 09:53:31,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 117.1) internal successors, (1171), 10 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:53:31,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 127.0) internal successors, (1397), 11 states have internal predecessors, (1397), 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) [2021-10-28 09:53:31,564 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 127.0) internal successors, (1397), 11 states have internal predecessors, (1397), 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) [2021-10-28 09:53:31,565 INFO L186 Difference]: Start difference. First operand has 150 places, 119 transitions, 447 flow. Second operand 10 states and 1171 transitions. [2021-10-28 09:53:31,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 156 transitions, 619 flow [2021-10-28 09:53:31,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 156 transitions, 589 flow, removed 15 selfloop flow, removed 12 redundant places. [2021-10-28 09:53:31,600 INFO L242 Difference]: Finished difference. Result has 144 places, 137 transitions, 560 flow [2021-10-28 09:53:31,601 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=560, PETRI_PLACES=144, PETRI_TRANSITIONS=137} [2021-10-28 09:53:31,601 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, 10 predicate places. [2021-10-28 09:53:31,602 INFO L470 AbstractCegarLoop]: Abstraction has has 144 places, 137 transitions, 560 flow [2021-10-28 09:53:31,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 113.16666666666667) internal successors, (679), 6 states have internal predecessors, (679), 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) [2021-10-28 09:53:31,602 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:53:31,603 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:31,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:53:31,603 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 09:53:31,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:31,604 INFO L85 PathProgramCache]: Analyzing trace with hash 45642320, now seen corresponding path program 1 times [2021-10-28 09:53:31,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:31,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661999673] [2021-10-28 09:53:31,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:31,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:31,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:53:31,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:53:31,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661999673] [2021-10-28 09:53:31,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661999673] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:31,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:31,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:53:31,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674628211] [2021-10-28 09:53:31,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:53:31,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:53:31,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:53:31,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:53:31,843 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 127 [2021-10-28 09:53:31,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 137 transitions, 560 flow. Second operand has 7 states, 7 states have (on average 107.85714285714286) internal successors, (755), 7 states have internal predecessors, (755), 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) [2021-10-28 09:53:31,845 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:53:31,845 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 127 [2021-10-28 09:53:31,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:53:33,000 INFO L129 PetriNetUnfolder]: 1375/4581 cut-off events. [2021-10-28 09:53:33,000 INFO L130 PetriNetUnfolder]: For 8133/10709 co-relation queries the response was YES. [2021-10-28 09:53:33,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13826 conditions, 4581 events. 1375/4581 cut-off events. For 8133/10709 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 48492 event pairs, 521 based on Foata normal form. 118/4302 useless extension candidates. Maximal degree in co-relation 13748. Up to 1327 conditions per place. [2021-10-28 09:53:33,090 INFO L132 encePairwiseOnDemand]: 116/127 looper letters, 47 selfloop transitions, 22 changer transitions 0/177 dead transitions. [2021-10-28 09:53:33,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 177 transitions, 1061 flow [2021-10-28 09:53:33,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:53:33,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-28 09:53:33,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1120 transitions. [2021-10-28 09:53:33,096 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8818897637795275 [2021-10-28 09:53:33,096 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1120 transitions. [2021-10-28 09:53:33,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1120 transitions. [2021-10-28 09:53:33,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:53:33,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1120 transitions. [2021-10-28 09:53:33,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 112.0) internal successors, (1120), 10 states have internal predecessors, (1120), 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) [2021-10-28 09:53:33,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 127.0) internal successors, (1397), 11 states have internal predecessors, (1397), 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) [2021-10-28 09:53:33,106 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 127.0) internal successors, (1397), 11 states have internal predecessors, (1397), 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) [2021-10-28 09:53:33,107 INFO L186 Difference]: Start difference. First operand has 144 places, 137 transitions, 560 flow. Second operand 10 states and 1120 transitions. [2021-10-28 09:53:33,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 177 transitions, 1061 flow [2021-10-28 09:53:33,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 177 transitions, 1059 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-28 09:53:33,147 INFO L242 Difference]: Finished difference. Result has 160 places, 149 transitions, 753 flow [2021-10-28 09:53:33,148 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=753, PETRI_PLACES=160, PETRI_TRANSITIONS=149} [2021-10-28 09:53:33,148 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, 26 predicate places. [2021-10-28 09:53:33,148 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 149 transitions, 753 flow [2021-10-28 09:53:33,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 107.85714285714286) internal successors, (755), 7 states have internal predecessors, (755), 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) [2021-10-28 09:53:33,149 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:53:33,149 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:33,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:53:33,150 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 09:53:33,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:33,150 INFO L85 PathProgramCache]: Analyzing trace with hash 739277142, now seen corresponding path program 1 times [2021-10-28 09:53:33,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:33,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784657111] [2021-10-28 09:53:33,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:33,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:33,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:53:33,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:53:33,310 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784657111] [2021-10-28 09:53:33,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784657111] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:33,311 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:33,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:53:33,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477609202] [2021-10-28 09:53:33,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:53:33,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:53:33,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:53:33,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:53:33,314 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 127 [2021-10-28 09:53:33,315 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 149 transitions, 753 flow. Second operand has 7 states, 7 states have (on average 113.14285714285714) internal successors, (792), 7 states have internal predecessors, (792), 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) [2021-10-28 09:53:33,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:53:33,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 127 [2021-10-28 09:53:33,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:53:35,030 INFO L129 PetriNetUnfolder]: 3033/6965 cut-off events. [2021-10-28 09:53:35,030 INFO L130 PetriNetUnfolder]: For 19810/26643 co-relation queries the response was YES. [2021-10-28 09:53:35,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25674 conditions, 6965 events. 3033/6965 cut-off events. For 19810/26643 co-relation queries the response was YES. Maximal size of possible extension queue 855. Compared 70817 event pairs, 168 based on Foata normal form. 722/7091 useless extension candidates. Maximal degree in co-relation 25588. Up to 3062 conditions per place. [2021-10-28 09:53:35,170 INFO L132 encePairwiseOnDemand]: 116/127 looper letters, 34 selfloop transitions, 38 changer transitions 0/191 dead transitions. [2021-10-28 09:53:35,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 191 transitions, 1177 flow [2021-10-28 09:53:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 09:53:35,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 09:53:35,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1524 transitions. [2021-10-28 09:53:35,176 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2021-10-28 09:53:35,177 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1524 transitions. [2021-10-28 09:53:35,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1524 transitions. [2021-10-28 09:53:35,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:53:35,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1524 transitions. [2021-10-28 09:53:35,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 117.23076923076923) internal successors, (1524), 13 states have internal predecessors, (1524), 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) [2021-10-28 09:53:35,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 127.0) internal successors, (1778), 14 states have internal predecessors, (1778), 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) [2021-10-28 09:53:35,190 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 127.0) internal successors, (1778), 14 states have internal predecessors, (1778), 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) [2021-10-28 09:53:35,190 INFO L186 Difference]: Start difference. First operand has 160 places, 149 transitions, 753 flow. Second operand 13 states and 1524 transitions. [2021-10-28 09:53:35,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 191 transitions, 1177 flow [2021-10-28 09:53:35,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 191 transitions, 1151 flow, removed 13 selfloop flow, removed 0 redundant places. [2021-10-28 09:53:35,279 INFO L242 Difference]: Finished difference. Result has 178 places, 169 transitions, 1020 flow [2021-10-28 09:53:35,279 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1020, PETRI_PLACES=178, PETRI_TRANSITIONS=169} [2021-10-28 09:53:35,280 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, 44 predicate places. [2021-10-28 09:53:35,280 INFO L470 AbstractCegarLoop]: Abstraction has has 178 places, 169 transitions, 1020 flow [2021-10-28 09:53:35,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 113.14285714285714) internal successors, (792), 7 states have internal predecessors, (792), 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) [2021-10-28 09:53:35,281 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:53:35,281 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:35,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:53:35,281 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 09:53:35,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:35,282 INFO L85 PathProgramCache]: Analyzing trace with hash 901792201, now seen corresponding path program 1 times [2021-10-28 09:53:35,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:35,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778323521] [2021-10-28 09:53:35,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:35,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:53:35,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:53:35,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778323521] [2021-10-28 09:53:35,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778323521] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:35,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:35,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 09:53:35,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949089923] [2021-10-28 09:53:35,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 09:53:35,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:53:35,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 09:53:35,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:53:35,518 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 127 [2021-10-28 09:53:35,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 169 transitions, 1020 flow. Second operand has 8 states, 8 states have (on average 113.125) internal successors, (905), 8 states have internal predecessors, (905), 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) [2021-10-28 09:53:35,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:53:35,521 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 127 [2021-10-28 09:53:35,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:53:37,286 INFO L129 PetriNetUnfolder]: 2811/6668 cut-off events. [2021-10-28 09:53:37,286 INFO L130 PetriNetUnfolder]: For 46880/64955 co-relation queries the response was YES. [2021-10-28 09:53:37,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32861 conditions, 6668 events. 2811/6668 cut-off events. For 46880/64955 co-relation queries the response was YES. Maximal size of possible extension queue 860. Compared 69189 event pairs, 42 based on Foata normal form. 1027/7115 useless extension candidates. Maximal degree in co-relation 32766. Up to 2941 conditions per place. [2021-10-28 09:53:37,428 INFO L132 encePairwiseOnDemand]: 116/127 looper letters, 28 selfloop transitions, 58 changer transitions 20/217 dead transitions. [2021-10-28 09:53:37,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 217 transitions, 1722 flow [2021-10-28 09:53:37,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-28 09:53:37,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-28 09:53:37,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1877 transitions. [2021-10-28 09:53:37,436 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9237204724409449 [2021-10-28 09:53:37,436 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1877 transitions. [2021-10-28 09:53:37,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1877 transitions. [2021-10-28 09:53:37,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:53:37,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1877 transitions. [2021-10-28 09:53:37,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 117.3125) internal successors, (1877), 16 states have internal predecessors, (1877), 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) [2021-10-28 09:53:37,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 127.0) internal successors, (2159), 17 states have internal predecessors, (2159), 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) [2021-10-28 09:53:37,453 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 127.0) internal successors, (2159), 17 states have internal predecessors, (2159), 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) [2021-10-28 09:53:37,453 INFO L186 Difference]: Start difference. First operand has 178 places, 169 transitions, 1020 flow. Second operand 16 states and 1877 transitions. [2021-10-28 09:53:37,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 217 transitions, 1722 flow [2021-10-28 09:53:38,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 217 transitions, 1611 flow, removed 43 selfloop flow, removed 5 redundant places. [2021-10-28 09:53:38,132 INFO L242 Difference]: Finished difference. Result has 192 places, 187 transitions, 1294 flow [2021-10-28 09:53:38,133 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1294, PETRI_PLACES=192, PETRI_TRANSITIONS=187} [2021-10-28 09:53:38,133 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, 58 predicate places. [2021-10-28 09:53:38,133 INFO L470 AbstractCegarLoop]: Abstraction has has 192 places, 187 transitions, 1294 flow [2021-10-28 09:53:38,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 113.125) internal successors, (905), 8 states have internal predecessors, (905), 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) [2021-10-28 09:53:38,133 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:53:38,134 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:38,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:53:38,134 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 09:53:38,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:38,134 INFO L85 PathProgramCache]: Analyzing trace with hash 59094569, now seen corresponding path program 1 times [2021-10-28 09:53:38,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:38,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183211779] [2021-10-28 09:53:38,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:38,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:38,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:53:38,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:53:38,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183211779] [2021-10-28 09:53:38,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183211779] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:38,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:38,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:53:38,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005750815] [2021-10-28 09:53:38,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:53:38,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:53:38,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:53:38,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:53:38,304 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 127 [2021-10-28 09:53:38,305 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 187 transitions, 1294 flow. Second operand has 7 states, 7 states have (on average 106.57142857142857) internal successors, (746), 7 states have internal predecessors, (746), 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) [2021-10-28 09:53:38,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:53:38,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 127 [2021-10-28 09:53:38,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:53:39,954 INFO L129 PetriNetUnfolder]: 2399/7438 cut-off events. [2021-10-28 09:53:39,954 INFO L130 PetriNetUnfolder]: For 42544/45773 co-relation queries the response was YES. [2021-10-28 09:53:40,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30584 conditions, 7438 events. 2399/7438 cut-off events. For 42544/45773 co-relation queries the response was YES. Maximal size of possible extension queue 901. Compared 88187 event pairs, 30 based on Foata normal form. 28/7011 useless extension candidates. Maximal degree in co-relation 30480. Up to 1989 conditions per place. [2021-10-28 09:53:40,064 INFO L132 encePairwiseOnDemand]: 113/127 looper letters, 32 selfloop transitions, 27 changer transitions 16/227 dead transitions. [2021-10-28 09:53:40,064 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 227 transitions, 1826 flow [2021-10-28 09:53:40,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 09:53:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-28 09:53:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1205 transitions. [2021-10-28 09:53:40,069 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8625626342161775 [2021-10-28 09:53:40,069 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1205 transitions. [2021-10-28 09:53:40,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1205 transitions. [2021-10-28 09:53:40,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:53:40,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1205 transitions. [2021-10-28 09:53:40,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 109.54545454545455) internal successors, (1205), 11 states have internal predecessors, (1205), 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) [2021-10-28 09:53:40,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 127.0) internal successors, (1524), 12 states have internal predecessors, (1524), 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) [2021-10-28 09:53:40,079 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 127.0) internal successors, (1524), 12 states have internal predecessors, (1524), 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) [2021-10-28 09:53:40,080 INFO L186 Difference]: Start difference. First operand has 192 places, 187 transitions, 1294 flow. Second operand 11 states and 1205 transitions. [2021-10-28 09:53:40,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 227 transitions, 1826 flow [2021-10-28 09:53:42,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 227 transitions, 1461 flow, removed 140 selfloop flow, removed 17 redundant places. [2021-10-28 09:53:42,057 INFO L242 Difference]: Finished difference. Result has 187 places, 198 transitions, 1218 flow [2021-10-28 09:53:42,057 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=969, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1218, PETRI_PLACES=187, PETRI_TRANSITIONS=198} [2021-10-28 09:53:42,057 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, 53 predicate places. [2021-10-28 09:53:42,057 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 198 transitions, 1218 flow [2021-10-28 09:53:42,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 106.57142857142857) internal successors, (746), 7 states have internal predecessors, (746), 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) [2021-10-28 09:53:42,058 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:53:42,058 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:42,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:53:42,058 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 09:53:42,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:42,059 INFO L85 PathProgramCache]: Analyzing trace with hash -2043828317, now seen corresponding path program 2 times [2021-10-28 09:53:42,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:42,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575929771] [2021-10-28 09:53:42,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:42,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:42,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:53:42,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:53:42,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575929771] [2021-10-28 09:53:42,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575929771] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:42,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:42,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-28 09:53:42,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196856269] [2021-10-28 09:53:42,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-28 09:53:42,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:53:42,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 09:53:42,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:53:42,389 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 127 [2021-10-28 09:53:42,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 198 transitions, 1218 flow. Second operand has 11 states, 11 states have (on average 98.27272727272727) internal successors, (1081), 11 states have internal predecessors, (1081), 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) [2021-10-28 09:53:42,390 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:53:42,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 127 [2021-10-28 09:53:42,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:53:44,923 INFO L129 PetriNetUnfolder]: 4257/12700 cut-off events. [2021-10-28 09:53:44,924 INFO L130 PetriNetUnfolder]: For 26818/28610 co-relation queries the response was YES. [2021-10-28 09:53:45,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37410 conditions, 12700 events. 4257/12700 cut-off events. For 26818/28610 co-relation queries the response was YES. Maximal size of possible extension queue 1815. Compared 166219 event pairs, 35 based on Foata normal form. 32/11853 useless extension candidates. Maximal degree in co-relation 37302. Up to 1513 conditions per place. [2021-10-28 09:53:45,111 INFO L132 encePairwiseOnDemand]: 110/127 looper letters, 72 selfloop transitions, 55 changer transitions 31/303 dead transitions. [2021-10-28 09:53:45,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 303 transitions, 2789 flow [2021-10-28 09:53:45,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-28 09:53:45,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-10-28 09:53:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1953 transitions. [2021-10-28 09:53:45,119 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8093659345213428 [2021-10-28 09:53:45,120 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1953 transitions. [2021-10-28 09:53:45,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1953 transitions. [2021-10-28 09:53:45,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:53:45,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1953 transitions. [2021-10-28 09:53:45,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 102.78947368421052) internal successors, (1953), 19 states have internal predecessors, (1953), 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) [2021-10-28 09:53:45,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 127.0) internal successors, (2540), 20 states have internal predecessors, (2540), 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) [2021-10-28 09:53:45,137 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 127.0) internal successors, (2540), 20 states have internal predecessors, (2540), 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) [2021-10-28 09:53:45,137 INFO L186 Difference]: Start difference. First operand has 187 places, 198 transitions, 1218 flow. Second operand 19 states and 1953 transitions. [2021-10-28 09:53:45,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 303 transitions, 2789 flow [2021-10-28 09:53:47,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 303 transitions, 2601 flow, removed 94 selfloop flow, removed 6 redundant places. [2021-10-28 09:53:47,198 INFO L242 Difference]: Finished difference. Result has 204 places, 230 transitions, 1762 flow [2021-10-28 09:53:47,199 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=1194, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1762, PETRI_PLACES=204, PETRI_TRANSITIONS=230} [2021-10-28 09:53:47,199 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, 70 predicate places. [2021-10-28 09:53:47,199 INFO L470 AbstractCegarLoop]: Abstraction has has 204 places, 230 transitions, 1762 flow [2021-10-28 09:53:47,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 98.27272727272727) internal successors, (1081), 11 states have internal predecessors, (1081), 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) [2021-10-28 09:53:47,200 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:53:47,200 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:47,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:53:47,200 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 09:53:47,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:47,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1101054331, now seen corresponding path program 3 times [2021-10-28 09:53:47,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:47,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765661100] [2021-10-28 09:53:47,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:47,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:47,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:53:47,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:53:47,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765661100] [2021-10-28 09:53:47,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765661100] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:47,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:47,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 09:53:47,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657393457] [2021-10-28 09:53:47,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:53:47,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:53:47,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:53:47,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:53:47,376 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 127 [2021-10-28 09:53:47,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 230 transitions, 1762 flow. Second operand has 9 states, 9 states have (on average 113.11111111111111) internal successors, (1018), 9 states have internal predecessors, (1018), 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) [2021-10-28 09:53:47,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:53:47,378 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 127 [2021-10-28 09:53:47,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:53:50,281 INFO L129 PetriNetUnfolder]: 5271/12933 cut-off events. [2021-10-28 09:53:50,281 INFO L130 PetriNetUnfolder]: For 26096/36188 co-relation queries the response was YES. [2021-10-28 09:53:50,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44151 conditions, 12933 events. 5271/12933 cut-off events. For 26096/36188 co-relation queries the response was YES. Maximal size of possible extension queue 1735. Compared 154819 event pairs, 23 based on Foata normal form. 1713/13768 useless extension candidates. Maximal degree in co-relation 44107. Up to 1708 conditions per place. [2021-10-28 09:53:50,426 INFO L132 encePairwiseOnDemand]: 116/127 looper letters, 22 selfloop transitions, 63 changer transitions 75/263 dead transitions. [2021-10-28 09:53:50,426 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 263 transitions, 2211 flow [2021-10-28 09:53:50,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-28 09:53:50,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-10-28 09:53:50,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2210 transitions. [2021-10-28 09:53:50,436 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9158723580605056 [2021-10-28 09:53:50,436 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2210 transitions. [2021-10-28 09:53:50,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2210 transitions. [2021-10-28 09:53:50,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:53:50,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2210 transitions. [2021-10-28 09:53:50,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 116.3157894736842) internal successors, (2210), 19 states have internal predecessors, (2210), 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) [2021-10-28 09:53:50,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 127.0) internal successors, (2540), 20 states have internal predecessors, (2540), 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) [2021-10-28 09:53:50,450 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 127.0) internal successors, (2540), 20 states have internal predecessors, (2540), 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) [2021-10-28 09:53:50,450 INFO L186 Difference]: Start difference. First operand has 204 places, 230 transitions, 1762 flow. Second operand 19 states and 2210 transitions. [2021-10-28 09:53:50,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 263 transitions, 2211 flow [2021-10-28 09:53:51,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 263 transitions, 2035 flow, removed 61 selfloop flow, removed 9 redundant places. [2021-10-28 09:53:51,745 INFO L242 Difference]: Finished difference. Result has 217 places, 178 transitions, 1093 flow [2021-10-28 09:53:51,745 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=1574, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1093, PETRI_PLACES=217, PETRI_TRANSITIONS=178} [2021-10-28 09:53:51,746 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, 83 predicate places. [2021-10-28 09:53:51,746 INFO L470 AbstractCegarLoop]: Abstraction has has 217 places, 178 transitions, 1093 flow [2021-10-28 09:53:51,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 113.11111111111111) internal successors, (1018), 9 states have internal predecessors, (1018), 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) [2021-10-28 09:53:51,747 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:53:51,747 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:51,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:53:51,747 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 09:53:51,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:51,748 INFO L85 PathProgramCache]: Analyzing trace with hash 611419455, now seen corresponding path program 1 times [2021-10-28 09:53:51,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:51,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776041152] [2021-10-28 09:53:51,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:51,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:51,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:53:51,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:53:51,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776041152] [2021-10-28 09:53:51,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776041152] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:51,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:51,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:53:51,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337256740] [2021-10-28 09:53:51,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:53:51,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:53:51,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:53:51,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:53:51,895 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 127 [2021-10-28 09:53:51,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 178 transitions, 1093 flow. Second operand has 7 states, 7 states have (on average 114.42857142857143) internal successors, (801), 7 states have internal predecessors, (801), 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) [2021-10-28 09:53:51,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:53:51,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 127 [2021-10-28 09:53:51,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:53:52,564 INFO L129 PetriNetUnfolder]: 856/2775 cut-off events. [2021-10-28 09:53:52,564 INFO L130 PetriNetUnfolder]: For 6865/7075 co-relation queries the response was YES. [2021-10-28 09:53:52,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9204 conditions, 2775 events. 856/2775 cut-off events. For 6865/7075 co-relation queries the response was YES. Maximal size of possible extension queue 412. Compared 28995 event pairs, 8 based on Foata normal form. 1/2640 useless extension candidates. Maximal degree in co-relation 9137. Up to 313 conditions per place. [2021-10-28 09:53:52,583 INFO L132 encePairwiseOnDemand]: 121/127 looper letters, 9 selfloop transitions, 2 changer transitions 62/183 dead transitions. [2021-10-28 09:53:52,583 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 183 transitions, 1153 flow [2021-10-28 09:53:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:53:52,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-28 09:53:52,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 807 transitions. [2021-10-28 09:53:52,586 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9077615298087739 [2021-10-28 09:53:52,586 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 807 transitions. [2021-10-28 09:53:52,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 807 transitions. [2021-10-28 09:53:52,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:53:52,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 807 transitions. [2021-10-28 09:53:52,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 115.28571428571429) internal successors, (807), 7 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:53:52,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 127.0) internal successors, (1016), 8 states have internal predecessors, (1016), 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) [2021-10-28 09:53:52,592 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 127.0) internal successors, (1016), 8 states have internal predecessors, (1016), 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) [2021-10-28 09:53:52,592 INFO L186 Difference]: Start difference. First operand has 217 places, 178 transitions, 1093 flow. Second operand 7 states and 807 transitions. [2021-10-28 09:53:52,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 183 transitions, 1153 flow [2021-10-28 09:53:52,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 183 transitions, 925 flow, removed 38 selfloop flow, removed 33 redundant places. [2021-10-28 09:53:52,702 INFO L242 Difference]: Finished difference. Result has 185 places, 121 transitions, 451 flow [2021-10-28 09:53:52,703 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=881, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=451, PETRI_PLACES=185, PETRI_TRANSITIONS=121} [2021-10-28 09:53:52,703 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, 51 predicate places. [2021-10-28 09:53:52,703 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 121 transitions, 451 flow [2021-10-28 09:53:52,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 114.42857142857143) internal successors, (801), 7 states have internal predecessors, (801), 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) [2021-10-28 09:53:52,704 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:53:52,705 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:52,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 09:53:52,705 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 09:53:52,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:52,706 INFO L85 PathProgramCache]: Analyzing trace with hash -368970267, now seen corresponding path program 2 times [2021-10-28 09:53:52,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:52,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904690703] [2021-10-28 09:53:52,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:52,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:53:52,768 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:53:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:53:52,925 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:53:52,925 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:53:52,926 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:53:52,928 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:53:52,929 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 09:53:52,929 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-28 09:53:52,930 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-28 09:53:52,930 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-28 09:53:52,930 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:53:52,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 09:53:52,934 INFO L731 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:52,940 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 09:53:52,941 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:53:53,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:53:53 BasicIcfg [2021-10-28 09:53:53,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:53:53,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:53:53,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:53:53,246 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:53:53,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:53:26" (3/4) ... [2021-10-28 09:53:53,251 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 09:53:53,556 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:53:53,556 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:53:53,558 INFO L168 Benchmark]: Toolchain (without parser) took 31390.48 ms. Allocated memory was 119.5 MB in the beginning and 6.1 GB in the end (delta: 5.9 GB). Free memory was 85.1 MB in the beginning and 5.2 GB in the end (delta: -5.1 GB). Peak memory consumption was 841.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:53,559 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 86.0 MB. Free memory was 44.4 MB in the beginning and 44.4 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:53:53,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 949.66 ms. Allocated memory is still 119.5 MB. Free memory was 84.9 MB in the beginning and 80.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:53,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.64 ms. Allocated memory is still 119.5 MB. Free memory was 80.7 MB in the beginning and 78.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:53,561 INFO L168 Benchmark]: Boogie Preprocessor took 95.10 ms. Allocated memory is still 119.5 MB. Free memory was 77.6 MB in the beginning and 75.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:53,561 INFO L168 Benchmark]: RCFGBuilder took 2990.68 ms. Allocated memory was 119.5 MB in the beginning and 157.3 MB in the end (delta: 37.7 MB). Free memory was 75.3 MB in the beginning and 65.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 49.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:53,562 INFO L168 Benchmark]: TraceAbstraction took 26919.73 ms. Allocated memory was 157.3 MB in the beginning and 6.1 GB in the end (delta: 5.9 GB). Free memory was 64.6 MB in the beginning and 5.2 GB in the end (delta: -5.2 GB). Peak memory consumption was 727.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:53,563 INFO L168 Benchmark]: Witness Printer took 310.51 ms. Allocated memory is still 6.1 GB. Free memory was 5.2 GB in the beginning and 5.2 GB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:53,565 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 86.0 MB. Free memory was 44.4 MB in the beginning and 44.4 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 949.66 ms. Allocated memory is still 119.5 MB. Free memory was 84.9 MB in the beginning and 80.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.64 ms. Allocated memory is still 119.5 MB. Free memory was 80.7 MB in the beginning and 78.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.10 ms. Allocated memory is still 119.5 MB. Free memory was 77.6 MB in the beginning and 75.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2990.68 ms. Allocated memory was 119.5 MB in the beginning and 157.3 MB in the end (delta: 37.7 MB). Free memory was 75.3 MB in the beginning and 65.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 49.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26919.73 ms. Allocated memory was 157.3 MB in the beginning and 6.1 GB in the end (delta: 5.9 GB). Free memory was 64.6 MB in the beginning and 5.2 GB in the end (delta: -5.2 GB). Peak memory consumption was 727.0 MB. Max. memory is 16.1 GB. * Witness Printer took 310.51 ms. Allocated memory is still 6.1 GB. Free memory was 5.2 GB in the beginning and 5.2 GB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L714] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0] [L716] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0] [L718] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L720] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L721] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0] [L722] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L724] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L726] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L728] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L729] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L730] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L731] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L732] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L733] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L734] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L735] 0 _Bool z$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0] [L736] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0] [L737] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L738] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L739] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L740] 0 _Bool z$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L741] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0] [L742] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L743] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L744] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L745] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L746] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L747] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L748] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L864] 0 pthread_t t469; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L865] FCALL, FORK 0 pthread_create(&t469, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L866] 0 pthread_t t470; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L867] FCALL, FORK 0 pthread_create(&t470, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L868] 0 pthread_t t471; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L869] FCALL, FORK 0 pthread_create(&t471, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L870] 0 pthread_t t472; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L871] FCALL, FORK 0 pthread_create(&t472, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L810] 4 z$w_buff1 = z$w_buff0 [L811] 4 z$w_buff0 = 1 [L812] 4 z$w_buff1_used = z$w_buff0_used [L813] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L815] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L816] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L817] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L818] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L819] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L820] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L823] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L824] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L825] 4 z$flush_delayed = weak$$choice2 [L826] 4 z$mem_tmp = z [L827] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L827] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1 [L827] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L827] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L828] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L828] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L829] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L829] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L830] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L830] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L831] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L831] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L832] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L833] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] 4 __unbuffered_p3_EAX = z [L835] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L835] 4 z = z$flush_delayed ? z$mem_tmp : z [L836] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L839] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L786] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L787] 3 z$flush_delayed = weak$$choice2 [L788] 3 z$mem_tmp = z [L789] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L789] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L790] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L790] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L790] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L790] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L791] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L791] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L791] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L791] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L792] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L792] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L792] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L792] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L793] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L793] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L793] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L793] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L794] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L794] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L794] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L794] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L795] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L795] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L796] 3 __unbuffered_p2_EAX = z [L797] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L797] 3 z = z$flush_delayed ? z$mem_tmp : z [L798] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L842] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L842] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L843] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L843] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L844] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L844] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L845] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L845] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L846] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L846] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L849] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L873] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L877] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L877] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L877] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L877] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L878] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L878] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L879] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L879] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L880] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L880] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L881] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L881] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L884] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 871]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 865]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 867]: 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: 869]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 161 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 26.2s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 22.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 212 SDtfs, 491 SDslu, 835 SDs, 0 SdLazy, 804 SolverSat, 205 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1762occurred in iteration=9, InterpolantAutomatonStates: 134, 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, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1058 NumberOfCodeBlocks, 1058 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 949 ConstructedInterpolants, 0 QuantifiedInterpolants, 4350 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:53:53,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef5b316-b5b9-4d77-83cb-4261cefb815f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...