./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c394bf0b454616c76d3ba114fe7f9b161b2a3a1a85dec23beec05d3a021c1c91 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:28:26,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:28:26,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:28:26,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:28:26,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:28:26,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:28:26,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:28:26,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:28:26,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:28:26,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:28:26,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:28:26,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:28:26,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:28:26,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:28:26,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:28:26,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:28:26,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:28:26,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:28:26,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:28:26,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:28:26,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:28:26,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:28:26,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:28:26,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:28:26,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:28:26,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:28:26,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:28:26,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:28:26,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:28:26,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:28:26,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:28:26,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:28:26,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:28:26,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:28:26,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:28:26,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:28:26,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:28:26,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:28:26,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:28:26,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:28:26,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:28:26,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 22:28:26,974 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:28:26,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:28:26,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:28:26,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:28:26,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:28:26,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:28:26,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:28:26,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:28:26,977 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:28:26,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:28:26,978 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:28:26,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:28:26,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:28:26,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:28:26,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:28:26,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:28:26,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:28:26,979 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:28:26,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:28:26,979 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:28:26,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:28:26,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:28:26,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:28:26,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:28:26,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:28:26,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:28:26,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:28:26,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:28:26,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:28:26,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:28:26,982 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:28:26,982 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:28:26,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:28:26,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:28:26,982 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_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c394bf0b454616c76d3ba114fe7f9b161b2a3a1a85dec23beec05d3a021c1c91 [2021-12-06 22:28:27,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:28:27,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:28:27,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:28:27,175 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:28:27,175 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:28:27,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i [2021-12-06 22:28:27,225 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/data/80b662902/5f04fba7453b49c882197da03717272c/FLAGa2f92b027 [2021-12-06 22:28:27,619 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:28:27,619 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i [2021-12-06 22:28:27,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/data/80b662902/5f04fba7453b49c882197da03717272c/FLAGa2f92b027 [2021-12-06 22:28:27,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/data/80b662902/5f04fba7453b49c882197da03717272c [2021-12-06 22:28:27,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:28:27,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:28:27,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:28:27,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:28:27,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:28:27,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:28:27" (1/1) ... [2021-12-06 22:28:27,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2749538b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:27, skipping insertion in model container [2021-12-06 22:28:27,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:28:27" (1/1) ... [2021-12-06 22:28:27,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:28:27,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:28:27,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i[958,971] [2021-12-06 22:28:27,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:28:27,937 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:28:27,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i[958,971] [2021-12-06 22:28:27,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:28:28,009 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:28:28,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:28 WrapperNode [2021-12-06 22:28:28,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:28:28,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:28:28,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:28:28,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:28:28,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:28" (1/1) ... [2021-12-06 22:28:28,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:28" (1/1) ... [2021-12-06 22:28:28,048 INFO L137 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 194 [2021-12-06 22:28:28,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:28:28,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:28:28,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:28:28,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:28:28,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:28" (1/1) ... [2021-12-06 22:28:28,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:28" (1/1) ... [2021-12-06 22:28:28,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:28" (1/1) ... [2021-12-06 22:28:28,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:28" (1/1) ... [2021-12-06 22:28:28,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:28" (1/1) ... [2021-12-06 22:28:28,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:28" (1/1) ... [2021-12-06 22:28:28,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:28" (1/1) ... [2021-12-06 22:28:28,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:28:28,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:28:28,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:28:28,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:28:28,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:28" (1/1) ... [2021-12-06 22:28:28,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:28:28,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:28:28,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:28:28,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:28:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:28:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-06 22:28:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:28:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:28:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:28:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-06 22:28:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-06 22:28:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-06 22:28:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-06 22:28:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-06 22:28:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-06 22:28:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-06 22:28:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-06 22:28:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:28:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-06 22:28:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:28:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:28:28,148 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 22:28:28,256 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:28:28,258 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:28:28,606 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:28:28,770 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:28:28,770 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 22:28:28,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:28:28 BoogieIcfgContainer [2021-12-06 22:28:28,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:28:28,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:28:28,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:28:28,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:28:28,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:28:27" (1/3) ... [2021-12-06 22:28:28,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e63c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:28:28, skipping insertion in model container [2021-12-06 22:28:28,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:28" (2/3) ... [2021-12-06 22:28:28,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e63c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:28:28, skipping insertion in model container [2021-12-06 22:28:28,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:28:28" (3/3) ... [2021-12-06 22:28:28,777 INFO L111 eAbstractionObserver]: Analyzing ICFG mix017_power.opt_rmo.opt.i [2021-12-06 22:28:28,781 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 22:28:28,781 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:28:28,782 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-06 22:28:28,782 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 22:28:28,810 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,810 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,810 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,810 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,811 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,811 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,811 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,811 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,811 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,811 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,812 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,812 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,812 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,812 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,812 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,812 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,813 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,813 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,813 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,813 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,813 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,813 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,815 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,815 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,815 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,815 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,815 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,815 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,815 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,815 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,817 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,817 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,817 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,817 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,817 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,817 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,817 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,817 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,818 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,818 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,818 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,818 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,819 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,820 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,820 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,820 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,820 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,820 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,820 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,820 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,820 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,821 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,821 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,821 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,821 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,821 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,821 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,821 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,821 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,822 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,822 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,822 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,822 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,822 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,822 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,822 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,823 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,823 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,823 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,823 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,823 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,823 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,823 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,823 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,824 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,824 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,824 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,824 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,824 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,824 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,826 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,826 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,826 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,826 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,828 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,828 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,828 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,828 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,828 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,828 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,829 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,829 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,829 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,829 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,829 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,829 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,829 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,830 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,830 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,830 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,830 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,830 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,830 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,831 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,831 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,831 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,831 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,832 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,832 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,832 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,832 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,832 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,832 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,832 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,833 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,833 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,833 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,833 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,833 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,833 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,834 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,834 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,834 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,834 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,834 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,834 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,835 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,835 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,835 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,835 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,835 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,835 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,836 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,836 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,836 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,836 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,839 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,839 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,839 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,840 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,840 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,840 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,840 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,840 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,840 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,841 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,841 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,841 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,842 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,842 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,842 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,842 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,843 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,843 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,843 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,843 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,843 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,852 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,852 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,852 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,852 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,852 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,853 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,853 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,853 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,853 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,853 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,853 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,853 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,853 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,853 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,853 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,854 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,854 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,854 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,854 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,854 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,854 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,854 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,854 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,854 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,854 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,854 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,855 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,855 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,855 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,855 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,855 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,855 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:28,855 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-06 22:28:28,890 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:28:28,895 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:28:28,895 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-06 22:28:28,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 137 transitions, 294 flow [2021-12-06 22:28:28,944 INFO L129 PetriNetUnfolder]: 2/133 cut-off events. [2021-12-06 22:28:28,944 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 22:28:28,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 133 events. 2/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2021-12-06 22:28:28,947 INFO L82 GeneralOperation]: Start removeDead. Operand has 148 places, 137 transitions, 294 flow [2021-12-06 22:28:28,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 133 transitions, 278 flow [2021-12-06 22:28:28,962 INFO L129 PetriNetUnfolder]: 0/77 cut-off events. [2021-12-06 22:28:28,962 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 22:28:28,962 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:28,963 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:28,963 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 22:28:28,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:28,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1810850912, now seen corresponding path program 1 times [2021-12-06 22:28:28,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:28,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771369778] [2021-12-06 22:28:28,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:28,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:29,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:28:29,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:29,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771369778] [2021-12-06 22:28:29,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771369778] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:29,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:29,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:28:29,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991779878] [2021-12-06 22:28:29,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:29,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:28:29,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:29,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:28:29,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:28:29,241 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 137 [2021-12-06 22:28:29,245 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 133 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:29,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:29,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 137 [2021-12-06 22:28:29,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:29,381 INFO L129 PetriNetUnfolder]: 37/318 cut-off events. [2021-12-06 22:28:29,381 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-12-06 22:28:29,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 318 events. 37/318 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1114 event pairs, 19 based on Foata normal form. 9/305 useless extension candidates. Maximal degree in co-relation 356. Up to 51 conditions per place. [2021-12-06 22:28:29,387 INFO L132 encePairwiseOnDemand]: 132/137 looper letters, 12 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2021-12-06 22:28:29,388 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 133 transitions, 309 flow [2021-12-06 22:28:29,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:28:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 22:28:29,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions. [2021-12-06 22:28:29,399 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9440389294403893 [2021-12-06 22:28:29,399 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 388 transitions. [2021-12-06 22:28:29,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 388 transitions. [2021-12-06 22:28:29,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:29,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 388 transitions. [2021-12-06 22:28:29,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:29,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:29,414 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:29,416 INFO L186 Difference]: Start difference. First operand has 144 places, 133 transitions, 278 flow. Second operand 3 states and 388 transitions. [2021-12-06 22:28:29,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 133 transitions, 309 flow [2021-12-06 22:28:29,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 133 transitions, 304 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-06 22:28:29,422 INFO L242 Difference]: Finished difference. Result has 140 places, 129 transitions, 270 flow [2021-12-06 22:28:29,424 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=140, PETRI_TRANSITIONS=129} [2021-12-06 22:28:29,426 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, -4 predicate places. [2021-12-06 22:28:29,427 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 129 transitions, 270 flow [2021-12-06 22:28:29,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:29,427 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:29,427 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:29,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:28:29,428 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 22:28:29,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:29,428 INFO L85 PathProgramCache]: Analyzing trace with hash 544271704, now seen corresponding path program 1 times [2021-12-06 22:28:29,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:29,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277079086] [2021-12-06 22:28:29,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:29,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:28:29,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:29,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277079086] [2021-12-06 22:28:29,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277079086] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:29,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:29,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:28:29,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064417144] [2021-12-06 22:28:29,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:29,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:28:29,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:29,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:28:29,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:28:29,627 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 137 [2021-12-06 22:28:29,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 129 transitions, 270 flow. Second operand has 7 states, 7 states have (on average 110.28571428571429) internal successors, (772), 7 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:29,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:29,628 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 137 [2021-12-06 22:28:29,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:30,438 INFO L129 PetriNetUnfolder]: 1738/4375 cut-off events. [2021-12-06 22:28:30,438 INFO L130 PetriNetUnfolder]: For 188/188 co-relation queries the response was YES. [2021-12-06 22:28:30,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7115 conditions, 4375 events. 1738/4375 cut-off events. For 188/188 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 36368 event pairs, 266 based on Foata normal form. 0/4273 useless extension candidates. Maximal degree in co-relation 7053. Up to 1300 conditions per place. [2021-12-06 22:28:30,464 INFO L132 encePairwiseOnDemand]: 131/137 looper letters, 28 selfloop transitions, 2 changer transitions 62/183 dead transitions. [2021-12-06 22:28:30,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 183 transitions, 550 flow [2021-12-06 22:28:30,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:28:30,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 22:28:30,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1053 transitions. [2021-12-06 22:28:30,470 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8540145985401459 [2021-12-06 22:28:30,470 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1053 transitions. [2021-12-06 22:28:30,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1053 transitions. [2021-12-06 22:28:30,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:30,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1053 transitions. [2021-12-06 22:28:30,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 117.0) internal successors, (1053), 9 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:30,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 137.0) internal successors, (1370), 10 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:30,482 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 137.0) internal successors, (1370), 10 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:30,482 INFO L186 Difference]: Start difference. First operand has 140 places, 129 transitions, 270 flow. Second operand 9 states and 1053 transitions. [2021-12-06 22:28:30,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 183 transitions, 550 flow [2021-12-06 22:28:30,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 183 transitions, 532 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 22:28:30,488 INFO L242 Difference]: Finished difference. Result has 153 places, 115 transitions, 258 flow [2021-12-06 22:28:30,488 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=258, PETRI_PLACES=153, PETRI_TRANSITIONS=115} [2021-12-06 22:28:30,489 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 9 predicate places. [2021-12-06 22:28:30,489 INFO L470 AbstractCegarLoop]: Abstraction has has 153 places, 115 transitions, 258 flow [2021-12-06 22:28:30,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 110.28571428571429) internal successors, (772), 7 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:30,490 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:30,490 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:30,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:28:30,491 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 22:28:30,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:30,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1620445410, now seen corresponding path program 1 times [2021-12-06 22:28:30,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:30,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407393264] [2021-12-06 22:28:30,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:30,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:28:30,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:30,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407393264] [2021-12-06 22:28:30,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407393264] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:30,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:30,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:28:30,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853153820] [2021-12-06 22:28:30,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:30,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:28:30,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:30,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:28:30,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:28:30,612 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2021-12-06 22:28:30,614 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 115 transitions, 258 flow. Second operand has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:30,614 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:30,614 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2021-12-06 22:28:30,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:31,293 INFO L129 PetriNetUnfolder]: 2005/3837 cut-off events. [2021-12-06 22:28:31,294 INFO L130 PetriNetUnfolder]: For 181/181 co-relation queries the response was YES. [2021-12-06 22:28:31,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7235 conditions, 3837 events. 2005/3837 cut-off events. For 181/181 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 28254 event pairs, 115 based on Foata normal form. 0/3746 useless extension candidates. Maximal degree in co-relation 7170. Up to 1189 conditions per place. [2021-12-06 22:28:31,318 INFO L132 encePairwiseOnDemand]: 126/137 looper letters, 32 selfloop transitions, 7 changer transitions 50/183 dead transitions. [2021-12-06 22:28:31,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 183 transitions, 578 flow [2021-12-06 22:28:31,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 22:28:31,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 22:28:31,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1211 transitions. [2021-12-06 22:28:31,322 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8839416058394161 [2021-12-06 22:28:31,322 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1211 transitions. [2021-12-06 22:28:31,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1211 transitions. [2021-12-06 22:28:31,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:31,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1211 transitions. [2021-12-06 22:28:31,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 121.1) internal successors, (1211), 10 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:31,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:31,330 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:31,331 INFO L186 Difference]: Start difference. First operand has 153 places, 115 transitions, 258 flow. Second operand 10 states and 1211 transitions. [2021-12-06 22:28:31,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 183 transitions, 578 flow [2021-12-06 22:28:31,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 183 transitions, 562 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-12-06 22:28:31,349 INFO L242 Difference]: Finished difference. Result has 140 places, 118 transitions, 308 flow [2021-12-06 22:28:31,350 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=308, PETRI_PLACES=140, PETRI_TRANSITIONS=118} [2021-12-06 22:28:31,351 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, -4 predicate places. [2021-12-06 22:28:31,351 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 118 transitions, 308 flow [2021-12-06 22:28:31,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:31,351 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:31,352 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:31,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:28:31,352 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 22:28:31,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:31,353 INFO L85 PathProgramCache]: Analyzing trace with hash 477172693, now seen corresponding path program 1 times [2021-12-06 22:28:31,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:31,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287258739] [2021-12-06 22:28:31,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:31,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:31,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:28:31,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:31,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287258739] [2021-12-06 22:28:31,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287258739] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:31,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:31,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:28:31,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516431909] [2021-12-06 22:28:31,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:31,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:28:31,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:31,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:28:31,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:28:31,469 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2021-12-06 22:28:31,470 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 118 transitions, 308 flow. Second operand has 7 states, 7 states have (on average 114.0) internal successors, (798), 7 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:31,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:31,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2021-12-06 22:28:31,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:31,916 INFO L129 PetriNetUnfolder]: 1013/2244 cut-off events. [2021-12-06 22:28:31,916 INFO L130 PetriNetUnfolder]: For 2517/2545 co-relation queries the response was YES. [2021-12-06 22:28:31,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6209 conditions, 2244 events. 1013/2244 cut-off events. For 2517/2545 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 16062 event pairs, 19 based on Foata normal form. 60/2288 useless extension candidates. Maximal degree in co-relation 6143. Up to 691 conditions per place. [2021-12-06 22:28:31,931 INFO L132 encePairwiseOnDemand]: 127/137 looper letters, 38 selfloop transitions, 11 changer transitions 39/182 dead transitions. [2021-12-06 22:28:31,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 182 transitions, 785 flow [2021-12-06 22:28:31,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 22:28:31,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 22:28:31,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1210 transitions. [2021-12-06 22:28:31,935 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8832116788321168 [2021-12-06 22:28:31,935 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1210 transitions. [2021-12-06 22:28:31,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1210 transitions. [2021-12-06 22:28:31,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:31,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1210 transitions. [2021-12-06 22:28:31,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 121.0) internal successors, (1210), 10 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:31,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:31,941 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:31,941 INFO L186 Difference]: Start difference. First operand has 140 places, 118 transitions, 308 flow. Second operand 10 states and 1210 transitions. [2021-12-06 22:28:31,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 182 transitions, 785 flow [2021-12-06 22:28:31,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 182 transitions, 760 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-12-06 22:28:31,951 INFO L242 Difference]: Finished difference. Result has 144 places, 122 transitions, 396 flow [2021-12-06 22:28:31,951 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=396, PETRI_PLACES=144, PETRI_TRANSITIONS=122} [2021-12-06 22:28:31,951 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 0 predicate places. [2021-12-06 22:28:31,952 INFO L470 AbstractCegarLoop]: Abstraction has has 144 places, 122 transitions, 396 flow [2021-12-06 22:28:31,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 114.0) internal successors, (798), 7 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:31,952 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:31,952 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:31,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:28:31,952 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 22:28:31,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:31,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1277435979, now seen corresponding path program 1 times [2021-12-06 22:28:31,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:31,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699682516] [2021-12-06 22:28:31,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:31,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:32,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:28:32,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:32,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699682516] [2021-12-06 22:28:32,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699682516] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:32,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:32,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:28:32,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785009358] [2021-12-06 22:28:32,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:32,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:28:32,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:32,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:28:32,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:28:32,040 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2021-12-06 22:28:32,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 122 transitions, 396 flow. Second operand has 7 states, 7 states have (on average 115.28571428571429) internal successors, (807), 7 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:32,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:32,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2021-12-06 22:28:32,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:32,503 INFO L129 PetriNetUnfolder]: 803/2404 cut-off events. [2021-12-06 22:28:32,503 INFO L130 PetriNetUnfolder]: For 4273/4853 co-relation queries the response was YES. [2021-12-06 22:28:32,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6424 conditions, 2404 events. 803/2404 cut-off events. For 4273/4853 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 19613 event pairs, 150 based on Foata normal form. 45/2372 useless extension candidates. Maximal degree in co-relation 6353. Up to 522 conditions per place. [2021-12-06 22:28:32,526 INFO L132 encePairwiseOnDemand]: 131/137 looper letters, 53 selfloop transitions, 5 changer transitions 0/161 dead transitions. [2021-12-06 22:28:32,526 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 161 transitions, 600 flow [2021-12-06 22:28:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:28:32,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 22:28:32,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 850 transitions. [2021-12-06 22:28:32,529 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.886339937434828 [2021-12-06 22:28:32,529 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 850 transitions. [2021-12-06 22:28:32,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 850 transitions. [2021-12-06 22:28:32,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:32,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 850 transitions. [2021-12-06 22:28:32,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 121.42857142857143) internal successors, (850), 7 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:32,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 137.0) internal successors, (1096), 8 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:32,534 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 137.0) internal successors, (1096), 8 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:32,534 INFO L186 Difference]: Start difference. First operand has 144 places, 122 transitions, 396 flow. Second operand 7 states and 850 transitions. [2021-12-06 22:28:32,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 161 transitions, 600 flow [2021-12-06 22:28:32,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 161 transitions, 531 flow, removed 25 selfloop flow, removed 9 redundant places. [2021-12-06 22:28:32,546 INFO L242 Difference]: Finished difference. Result has 142 places, 126 transitions, 366 flow [2021-12-06 22:28:32,546 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=366, PETRI_PLACES=142, PETRI_TRANSITIONS=126} [2021-12-06 22:28:32,546 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, -2 predicate places. [2021-12-06 22:28:32,547 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 126 transitions, 366 flow [2021-12-06 22:28:32,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 115.28571428571429) internal successors, (807), 7 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:32,547 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:32,547 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:32,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:28:32,547 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 22:28:32,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:32,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1811486057, now seen corresponding path program 2 times [2021-12-06 22:28:32,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:32,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573781113] [2021-12-06 22:28:32,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:32,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:32,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:28:32,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:32,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573781113] [2021-12-06 22:28:32,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573781113] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:32,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:32,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:28:32,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809046442] [2021-12-06 22:28:32,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:32,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:28:32,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:32,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:28:32,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:28:32,643 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2021-12-06 22:28:32,644 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 126 transitions, 366 flow. Second operand has 8 states, 8 states have (on average 113.875) internal successors, (911), 8 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:32,644 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:32,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2021-12-06 22:28:32,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:33,074 INFO L129 PetriNetUnfolder]: 788/1983 cut-off events. [2021-12-06 22:28:33,074 INFO L130 PetriNetUnfolder]: For 2575/2671 co-relation queries the response was YES. [2021-12-06 22:28:33,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5429 conditions, 1983 events. 788/1983 cut-off events. For 2575/2671 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 14509 event pairs, 24 based on Foata normal form. 67/2005 useless extension candidates. Maximal degree in co-relation 5361. Up to 518 conditions per place. [2021-12-06 22:28:33,085 INFO L132 encePairwiseOnDemand]: 127/137 looper letters, 43 selfloop transitions, 15 changer transitions 42/195 dead transitions. [2021-12-06 22:28:33,085 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 195 transitions, 915 flow [2021-12-06 22:28:33,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 22:28:33,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-06 22:28:33,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1331 transitions. [2021-12-06 22:28:33,089 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8832116788321168 [2021-12-06 22:28:33,090 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1331 transitions. [2021-12-06 22:28:33,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1331 transitions. [2021-12-06 22:28:33,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:33,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1331 transitions. [2021-12-06 22:28:33,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 121.0) internal successors, (1331), 11 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:33,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 137.0) internal successors, (1644), 12 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:33,099 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 137.0) internal successors, (1644), 12 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:33,099 INFO L186 Difference]: Start difference. First operand has 142 places, 126 transitions, 366 flow. Second operand 11 states and 1331 transitions. [2021-12-06 22:28:33,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 195 transitions, 915 flow [2021-12-06 22:28:33,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 195 transitions, 912 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-06 22:28:33,106 INFO L242 Difference]: Finished difference. Result has 157 places, 127 transitions, 464 flow [2021-12-06 22:28:33,106 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=464, PETRI_PLACES=157, PETRI_TRANSITIONS=127} [2021-12-06 22:28:33,107 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 13 predicate places. [2021-12-06 22:28:33,107 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 127 transitions, 464 flow [2021-12-06 22:28:33,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 113.875) internal successors, (911), 8 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:33,108 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:33,108 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:33,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 22:28:33,109 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 22:28:33,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:33,109 INFO L85 PathProgramCache]: Analyzing trace with hash 762723571, now seen corresponding path program 1 times [2021-12-06 22:28:33,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:33,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656216385] [2021-12-06 22:28:33,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:33,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:33,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:28:33,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:33,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656216385] [2021-12-06 22:28:33,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656216385] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:33,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:33,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:28:33,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665858296] [2021-12-06 22:28:33,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:33,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:28:33,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:33,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:28:33,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:28:33,230 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 137 [2021-12-06 22:28:33,231 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 127 transitions, 464 flow. Second operand has 7 states, 7 states have (on average 109.28571428571429) internal successors, (765), 7 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:33,231 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:33,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 137 [2021-12-06 22:28:33,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:33,787 INFO L129 PetriNetUnfolder]: 727/2605 cut-off events. [2021-12-06 22:28:33,787 INFO L130 PetriNetUnfolder]: For 6224/6674 co-relation queries the response was YES. [2021-12-06 22:28:33,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6915 conditions, 2605 events. 727/2605 cut-off events. For 6224/6674 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 21912 event pairs, 203 based on Foata normal form. 108/2616 useless extension candidates. Maximal degree in co-relation 6834. Up to 514 conditions per place. [2021-12-06 22:28:33,808 INFO L132 encePairwiseOnDemand]: 125/137 looper letters, 49 selfloop transitions, 8 changer transitions 31/188 dead transitions. [2021-12-06 22:28:33,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 188 transitions, 822 flow [2021-12-06 22:28:33,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 22:28:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-06 22:28:33,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1254 transitions. [2021-12-06 22:28:33,812 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8321167883211679 [2021-12-06 22:28:33,812 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1254 transitions. [2021-12-06 22:28:33,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1254 transitions. [2021-12-06 22:28:33,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:33,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1254 transitions. [2021-12-06 22:28:33,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 114.0) internal successors, (1254), 11 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:33,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 137.0) internal successors, (1644), 12 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:33,818 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 137.0) internal successors, (1644), 12 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:33,818 INFO L186 Difference]: Start difference. First operand has 157 places, 127 transitions, 464 flow. Second operand 11 states and 1254 transitions. [2021-12-06 22:28:33,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 188 transitions, 822 flow [2021-12-06 22:28:33,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 188 transitions, 711 flow, removed 42 selfloop flow, removed 13 redundant places. [2021-12-06 22:28:33,845 INFO L242 Difference]: Finished difference. Result has 155 places, 132 transitions, 457 flow [2021-12-06 22:28:33,845 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=457, PETRI_PLACES=155, PETRI_TRANSITIONS=132} [2021-12-06 22:28:33,846 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 11 predicate places. [2021-12-06 22:28:33,846 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 132 transitions, 457 flow [2021-12-06 22:28:33,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 109.28571428571429) internal successors, (765), 7 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:33,846 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:33,846 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:33,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 22:28:33,847 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 22:28:33,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:33,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1645174383, now seen corresponding path program 2 times [2021-12-06 22:28:33,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:33,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251146636] [2021-12-06 22:28:33,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:33,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:33,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:28:33,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:33,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251146636] [2021-12-06 22:28:33,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251146636] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:33,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:33,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 22:28:33,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602488946] [2021-12-06 22:28:33,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:33,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 22:28:33,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:33,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 22:28:33,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:28:33,976 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2021-12-06 22:28:33,984 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 132 transitions, 457 flow. Second operand has 9 states, 9 states have (on average 113.88888888888889) internal successors, (1025), 9 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:33,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:33,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2021-12-06 22:28:33,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:34,274 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([931] L770-->L786: Formula: (let ((.cse28 (= (mod v_~y$r_buff0_thd2~0_176 256) 0)) (.cse31 (= (mod v_~y$w_buff1_used~0_286 256) 0)) (.cse22 (= (mod v_~y$r_buff1_thd2~0_129 256) 0))) (let ((.cse11 (= (mod v_~weak$$choice2~0_84 256) 0)) (.cse3 (= (mod v_~y$w_buff0_used~0_365 256) 0)) (.cse24 (not .cse22)) (.cse23 (= (mod v_~y$w_buff1_used~0_285 256) 0)) (.cse2 (and .cse28 .cse31)) (.cse4 (and .cse28 .cse22)) (.cse5 (not .cse28)) (.cse30 (= (mod v_~y$w_buff0_used~0_366 256) 0))) (let ((.cse13 (or .cse28 .cse30)) (.cse15 (not .cse30)) (.cse9 (or .cse5 (not .cse31))) (.cse16 (or .cse30 .cse2 .cse4)) (.cse26 (not .cse23)) (.cse10 (or .cse5 .cse24)) (.cse8 (or .cse28 .cse3)) (.cse7 (not .cse3)) (.cse1 (not .cse11))) (and (let ((.cse0 (= |v_P1_#t~ite16_43| |v_P1Thread1of1ForFork3_#t~ite16_1|))) (or (and (= v_~y$w_buff1_used~0_286 v_~y$w_buff1_used~0_285) .cse0 .cse1 (= |v_P1_#t~ite17_39| |v_P1Thread1of1ForFork3_#t~ite17_1|)) (and (or (and (or .cse2 .cse3 .cse4) .cse0 (= |v_P1_#t~ite17_39| v_~y$w_buff1_used~0_286)) (and (= |v_P1_#t~ite17_39| |v_P1_#t~ite16_43|) (let ((.cse6 (= |v_P1_#t~ite16_43| 0))) (or (and .cse5 .cse6 .cse7) (and .cse8 .cse6))) .cse9 .cse7 .cse10)) (= |v_P1_#t~ite17_39| v_~y$w_buff1_used~0_285) .cse11))) (let ((.cse12 (= |v_P1Thread1of1ForFork3_#t~ite7_1| |v_P1_#t~ite7_45|))) (or (and (= v_~y$w_buff0~0_86 v_~y$w_buff0~0_85) (= |v_P1_#t~ite8_43| |v_P1Thread1of1ForFork3_#t~ite8_1|) .cse1 .cse12) (and (or (and (let ((.cse14 (= |v_P1_#t~ite7_45| v_~y$w_buff0~0_86))) (or (and .cse13 .cse14) (and .cse5 .cse15 .cse14))) .cse15 .cse9 .cse10 (= |v_P1_#t~ite8_43| |v_P1_#t~ite7_45|)) (and .cse16 (= |v_P1_#t~ite8_43| v_~y$w_buff0~0_86) .cse12)) (= |v_P1_#t~ite8_43| v_~y$w_buff0~0_85) .cse11))) (let ((.cse17 (= |v_P1_#t~ite13_57| |v_P1Thread1of1ForFork3_#t~ite13_1|))) (or (and (= |v_P1_#t~ite14_49| |v_P1Thread1of1ForFork3_#t~ite14_1|) .cse17 .cse1 (= v_~y$w_buff0_used~0_366 v_~y$w_buff0_used~0_365)) (and (= |v_P1_#t~ite14_49| v_~y$w_buff0_used~0_365) (or (and .cse16 .cse17 (= |v_P1_#t~ite14_49| v_~y$w_buff0_used~0_366)) (and (= |v_P1_#t~ite13_57| |v_P1_#t~ite14_49|) .cse15 (or (and (= |v_P1_#t~ite13_57| v_~y$w_buff0_used~0_366) .cse13) (and .cse5 .cse15 (= |v_P1_#t~ite13_57| 0))) .cse9 .cse10)) .cse11))) (let ((.cse18 (= |v_P1_#t~ite10_49| |v_P1Thread1of1ForFork3_#t~ite10_1|))) (or (and (= |v_P1_#t~ite11_45| |v_P1Thread1of1ForFork3_#t~ite11_1|) (= v_~y$w_buff1~0_97 v_~y$w_buff1~0_96) .cse1 .cse18) (and (= |v_P1_#t~ite11_45| v_~y$w_buff1~0_96) (or (and (= |v_P1_#t~ite10_49| |v_P1_#t~ite11_45|) (let ((.cse19 (= |v_P1_#t~ite10_49| v_~y$w_buff1~0_97))) (or (and .cse19 .cse13) (and .cse19 .cse5 .cse15))) .cse15 .cse9 .cse10) (and .cse16 .cse18 (= |v_P1_#t~ite11_45| v_~y$w_buff1~0_97))) .cse11))) (= |v_P1Thread1of1ForFork3_#t~nondet4_1| v_~weak$$choice2~0_84) (= 0 v_~y$flush_delayed~0_40) (= |v_P1Thread1of1ForFork3_#t~nondet3_1| v_~weak$$choice0~0_13) (or (and (= v_~y~0_132 v_~y$mem_tmp~0_28) .cse1) (and (= v_~y~0_132 v_~__unbuffered_p1_EAX~0_16) .cse11)) (or (and (or (and (= |v_P1_#t~ite5_47| v_~y$w_buff1~0_97) .cse13) (and (= |v_P1_#t~ite5_47| v_~y$w_buff0~0_86) .cse5 .cse15)) .cse15 (= |v_P1_#t~ite5_47| v_~__unbuffered_p1_EAX~0_16) .cse9 .cse10) (and .cse16 (= |v_P1_#t~ite5_47| |v_P1Thread1of1ForFork3_#t~ite5_1|) (= v_~y~0_134 v_~__unbuffered_p1_EAX~0_16))) (= v_~y~0_134 v_~y$mem_tmp~0_28) (let ((.cse20 (= |v_P1_#t~ite22_53| |v_P1Thread1of1ForFork3_#t~ite22_1|))) (or (and .cse20 (= |v_P1_#t~ite23_47| |v_P1Thread1of1ForFork3_#t~ite23_1|) .cse1 (= v_~y$r_buff1_thd2~0_129 v_~y$r_buff1_thd2~0_128)) (and (= |v_P1_#t~ite23_47| v_~y$r_buff1_thd2~0_128) (let ((.cse21 (= (mod v_~y$r_buff0_thd2~0_175 256) 0))) (or (and .cse20 (or (and .cse21 .cse22) (and .cse21 .cse23) .cse3) (= |v_P1_#t~ite23_47| v_~y$r_buff1_thd2~0_129)) (let ((.cse25 (not .cse21))) (and (or .cse24 .cse25) (or .cse26 .cse25) (let ((.cse27 (= |v_P1_#t~ite22_53| 0))) (or (and (or .cse21 .cse3) .cse27) (and .cse27 .cse25 .cse7))) (= |v_P1_#t~ite22_53| |v_P1_#t~ite23_47|) .cse7)))) .cse11))) (let ((.cse29 (= |v_P1_#t~ite19_63| |v_P1Thread1of1ForFork3_#t~ite19_1|))) (or (and (= |v_P1_#t~ite20_57| v_~y$r_buff0_thd2~0_175) .cse11 (or (and (or .cse3 .cse4 (and .cse28 .cse23)) .cse29 (= |v_P1_#t~ite20_57| v_~y$r_buff0_thd2~0_176)) (and (or .cse26 .cse5) (= |v_P1_#t~ite19_63| |v_P1_#t~ite20_57|) .cse7 .cse10 (or (and .cse8 (= |v_P1_#t~ite19_63| v_~y$r_buff0_thd2~0_176)) (and (= |v_P1_#t~ite19_63| 0) .cse5 .cse7))))) (and (= |v_P1_#t~ite20_57| |v_P1Thread1of1ForFork3_#t~ite20_1|) (= v_~y$r_buff0_thd2~0_176 v_~y$r_buff0_thd2~0_175) .cse29 .cse1))))))) InVars {P1Thread1of1ForFork3_#t~ite17=|v_P1Thread1of1ForFork3_#t~ite17_1|, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_1|, P1Thread1of1ForFork3_#t~ite19=|v_P1Thread1of1ForFork3_#t~ite19_1|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_366, P1Thread1of1ForFork3_#t~nondet4=|v_P1Thread1of1ForFork3_#t~nondet4_1|, P1Thread1of1ForFork3_#t~nondet3=|v_P1Thread1of1ForFork3_#t~nondet3_1|, P1Thread1of1ForFork3_#t~ite22=|v_P1Thread1of1ForFork3_#t~ite22_1|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_1|, P1Thread1of1ForFork3_#t~ite5=|v_P1Thread1of1ForFork3_#t~ite5_1|, P1Thread1of1ForFork3_#t~ite20=|v_P1Thread1of1ForFork3_#t~ite20_1|, P1Thread1of1ForFork3_#t~ite10=|v_P1Thread1of1ForFork3_#t~ite10_1|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, P1Thread1of1ForFork3_#t~ite23=|v_P1Thread1of1ForFork3_#t~ite23_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_1|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_129, P1Thread1of1ForFork3_#t~ite8=|v_P1Thread1of1ForFork3_#t~ite8_1|, ~y$w_buff1~0=v_~y$w_buff1~0_97, P1Thread1of1ForFork3_#t~ite7=|v_P1Thread1of1ForFork3_#t~ite7_1|, ~y$w_buff0~0=v_~y$w_buff0~0_86, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_176, ~y~0=v_~y~0_134, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_286} OutVars{~y$w_buff0_used~0=v_~y$w_buff0_used~0_365, P1Thread1of1ForFork3_#t~ite21=|v_P1Thread1of1ForFork3_#t~ite21_1|, P1Thread1of1ForFork3_#t~ite22=|v_P1Thread1of1ForFork3_#t~ite22_2|, P1Thread1of1ForFork3_#t~ite20=|v_P1Thread1of1ForFork3_#t~ite20_2|, P1Thread1of1ForFork3_#t~ite25=|v_P1Thread1of1ForFork3_#t~ite25_1|, P1Thread1of1ForFork3_#t~ite23=|v_P1Thread1of1ForFork3_#t~ite23_2|, P1Thread1of1ForFork3_#t~ite24=|v_P1Thread1of1ForFork3_#t~ite24_1|, ~y$mem_tmp~0=v_~y$mem_tmp~0_28, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_16, ~y$w_buff0~0=v_~y$w_buff0~0_85, ~y$flush_delayed~0=v_~y$flush_delayed~0_40, ~y~0=v_~y~0_132, P1Thread1of1ForFork3_#t~ite17=|v_P1Thread1of1ForFork3_#t~ite17_2|, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_2|, P1Thread1of1ForFork3_#t~ite19=|v_P1Thread1of1ForFork3_#t~ite19_2|, P1Thread1of1ForFork3_#t~ite18=|v_P1Thread1of1ForFork3_#t~ite18_1|, P1Thread1of1ForFork3_#t~nondet4=|v_P1Thread1of1ForFork3_#t~nondet4_2|, P1Thread1of1ForFork3_#t~nondet3=|v_P1Thread1of1ForFork3_#t~nondet3_2|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_2|, P1Thread1of1ForFork3_#t~ite6=|v_P1Thread1of1ForFork3_#t~ite6_1|, P1Thread1of1ForFork3_#t~ite10=|v_P1Thread1of1ForFork3_#t~ite10_2|, P1Thread1of1ForFork3_#t~ite5=|v_P1Thread1of1ForFork3_#t~ite5_2|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_2|, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, P1Thread1of1ForFork3_#t~ite15=|v_P1Thread1of1ForFork3_#t~ite15_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_2|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_128, ~weak$$choice0~0=v_~weak$$choice0~0_13, P1Thread1of1ForFork3_#t~ite8=|v_P1Thread1of1ForFork3_#t~ite8_2|, ~y$w_buff1~0=v_~y$w_buff1~0_96, P1Thread1of1ForFork3_#t~ite7=|v_P1Thread1of1ForFork3_#t~ite7_2|, P1Thread1of1ForFork3_#t~ite9=|v_P1Thread1of1ForFork3_#t~ite9_1|, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_175, ~weak$$choice2~0=v_~weak$$choice2~0_84, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_285} AuxVars[|v_P1_#t~ite23_47|, |v_P1_#t~ite22_53|, |v_P1_#t~ite7_45|, |v_P1_#t~ite10_49|, |v_P1_#t~ite5_47|, |v_P1_#t~ite8_43|, |v_P1_#t~ite17_39|, |v_P1_#t~ite11_45|, |v_P1_#t~ite19_63|, |v_P1_#t~ite14_49|, |v_P1_#t~ite13_57|, |v_P1_#t~ite20_57|, |v_P1_#t~ite16_43|] AssignedVars[~y$w_buff0_used~0, P1Thread1of1ForFork3_#t~ite21, P1Thread1of1ForFork3_#t~ite22, P1Thread1of1ForFork3_#t~ite20, P1Thread1of1ForFork3_#t~ite25, P1Thread1of1ForFork3_#t~ite23, P1Thread1of1ForFork3_#t~ite24, ~y$mem_tmp~0, ~__unbuffered_p1_EAX~0, ~y$w_buff0~0, ~y$flush_delayed~0, ~y~0, P1Thread1of1ForFork3_#t~ite17, P1Thread1of1ForFork3_#t~ite16, P1Thread1of1ForFork3_#t~ite19, P1Thread1of1ForFork3_#t~ite18, P1Thread1of1ForFork3_#t~nondet4, P1Thread1of1ForFork3_#t~nondet3, P1Thread1of1ForFork3_#t~ite11, P1Thread1of1ForFork3_#t~ite6, P1Thread1of1ForFork3_#t~ite10, P1Thread1of1ForFork3_#t~ite5, P1Thread1of1ForFork3_#t~ite13, P1Thread1of1ForFork3_#t~ite12, P1Thread1of1ForFork3_#t~ite15, P1Thread1of1ForFork3_#t~ite14, ~y$r_buff1_thd2~0, ~weak$$choice0~0, P1Thread1of1ForFork3_#t~ite8, ~y$w_buff1~0, P1Thread1of1ForFork3_#t~ite7, P1Thread1of1ForFork3_#t~ite9, ~y$r_buff0_thd2~0, ~weak$$choice2~0, ~y$w_buff1_used~0][74], [18#L865-3true, Black: 189#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 193#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 187#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 109#L811true, 321#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 237#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 61#L786true, Black: 263#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P1Thread1of1ForFork3InUse, 126#L763true, 261#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 281#(= ~x~0 1), Black: 289#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1)), Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 297#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 299#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 291#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 27#L841true, Black: 293#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1)), Black: 295#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 287#(and (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~x~0 1)), Black: 231#(= ~a~0 1)]) [2021-12-06 22:28:34,275 INFO L384 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2021-12-06 22:28:34,275 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-06 22:28:34,275 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-06 22:28:34,275 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-06 22:28:34,312 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([931] L770-->L786: Formula: (let ((.cse28 (= (mod v_~y$r_buff0_thd2~0_176 256) 0)) (.cse31 (= (mod v_~y$w_buff1_used~0_286 256) 0)) (.cse22 (= (mod v_~y$r_buff1_thd2~0_129 256) 0))) (let ((.cse11 (= (mod v_~weak$$choice2~0_84 256) 0)) (.cse3 (= (mod v_~y$w_buff0_used~0_365 256) 0)) (.cse24 (not .cse22)) (.cse23 (= (mod v_~y$w_buff1_used~0_285 256) 0)) (.cse2 (and .cse28 .cse31)) (.cse4 (and .cse28 .cse22)) (.cse5 (not .cse28)) (.cse30 (= (mod v_~y$w_buff0_used~0_366 256) 0))) (let ((.cse13 (or .cse28 .cse30)) (.cse15 (not .cse30)) (.cse9 (or .cse5 (not .cse31))) (.cse16 (or .cse30 .cse2 .cse4)) (.cse26 (not .cse23)) (.cse10 (or .cse5 .cse24)) (.cse8 (or .cse28 .cse3)) (.cse7 (not .cse3)) (.cse1 (not .cse11))) (and (let ((.cse0 (= |v_P1_#t~ite16_43| |v_P1Thread1of1ForFork3_#t~ite16_1|))) (or (and (= v_~y$w_buff1_used~0_286 v_~y$w_buff1_used~0_285) .cse0 .cse1 (= |v_P1_#t~ite17_39| |v_P1Thread1of1ForFork3_#t~ite17_1|)) (and (or (and (or .cse2 .cse3 .cse4) .cse0 (= |v_P1_#t~ite17_39| v_~y$w_buff1_used~0_286)) (and (= |v_P1_#t~ite17_39| |v_P1_#t~ite16_43|) (let ((.cse6 (= |v_P1_#t~ite16_43| 0))) (or (and .cse5 .cse6 .cse7) (and .cse8 .cse6))) .cse9 .cse7 .cse10)) (= |v_P1_#t~ite17_39| v_~y$w_buff1_used~0_285) .cse11))) (let ((.cse12 (= |v_P1Thread1of1ForFork3_#t~ite7_1| |v_P1_#t~ite7_45|))) (or (and (= v_~y$w_buff0~0_86 v_~y$w_buff0~0_85) (= |v_P1_#t~ite8_43| |v_P1Thread1of1ForFork3_#t~ite8_1|) .cse1 .cse12) (and (or (and (let ((.cse14 (= |v_P1_#t~ite7_45| v_~y$w_buff0~0_86))) (or (and .cse13 .cse14) (and .cse5 .cse15 .cse14))) .cse15 .cse9 .cse10 (= |v_P1_#t~ite8_43| |v_P1_#t~ite7_45|)) (and .cse16 (= |v_P1_#t~ite8_43| v_~y$w_buff0~0_86) .cse12)) (= |v_P1_#t~ite8_43| v_~y$w_buff0~0_85) .cse11))) (let ((.cse17 (= |v_P1_#t~ite13_57| |v_P1Thread1of1ForFork3_#t~ite13_1|))) (or (and (= |v_P1_#t~ite14_49| |v_P1Thread1of1ForFork3_#t~ite14_1|) .cse17 .cse1 (= v_~y$w_buff0_used~0_366 v_~y$w_buff0_used~0_365)) (and (= |v_P1_#t~ite14_49| v_~y$w_buff0_used~0_365) (or (and .cse16 .cse17 (= |v_P1_#t~ite14_49| v_~y$w_buff0_used~0_366)) (and (= |v_P1_#t~ite13_57| |v_P1_#t~ite14_49|) .cse15 (or (and (= |v_P1_#t~ite13_57| v_~y$w_buff0_used~0_366) .cse13) (and .cse5 .cse15 (= |v_P1_#t~ite13_57| 0))) .cse9 .cse10)) .cse11))) (let ((.cse18 (= |v_P1_#t~ite10_49| |v_P1Thread1of1ForFork3_#t~ite10_1|))) (or (and (= |v_P1_#t~ite11_45| |v_P1Thread1of1ForFork3_#t~ite11_1|) (= v_~y$w_buff1~0_97 v_~y$w_buff1~0_96) .cse1 .cse18) (and (= |v_P1_#t~ite11_45| v_~y$w_buff1~0_96) (or (and (= |v_P1_#t~ite10_49| |v_P1_#t~ite11_45|) (let ((.cse19 (= |v_P1_#t~ite10_49| v_~y$w_buff1~0_97))) (or (and .cse19 .cse13) (and .cse19 .cse5 .cse15))) .cse15 .cse9 .cse10) (and .cse16 .cse18 (= |v_P1_#t~ite11_45| v_~y$w_buff1~0_97))) .cse11))) (= |v_P1Thread1of1ForFork3_#t~nondet4_1| v_~weak$$choice2~0_84) (= 0 v_~y$flush_delayed~0_40) (= |v_P1Thread1of1ForFork3_#t~nondet3_1| v_~weak$$choice0~0_13) (or (and (= v_~y~0_132 v_~y$mem_tmp~0_28) .cse1) (and (= v_~y~0_132 v_~__unbuffered_p1_EAX~0_16) .cse11)) (or (and (or (and (= |v_P1_#t~ite5_47| v_~y$w_buff1~0_97) .cse13) (and (= |v_P1_#t~ite5_47| v_~y$w_buff0~0_86) .cse5 .cse15)) .cse15 (= |v_P1_#t~ite5_47| v_~__unbuffered_p1_EAX~0_16) .cse9 .cse10) (and .cse16 (= |v_P1_#t~ite5_47| |v_P1Thread1of1ForFork3_#t~ite5_1|) (= v_~y~0_134 v_~__unbuffered_p1_EAX~0_16))) (= v_~y~0_134 v_~y$mem_tmp~0_28) (let ((.cse20 (= |v_P1_#t~ite22_53| |v_P1Thread1of1ForFork3_#t~ite22_1|))) (or (and .cse20 (= |v_P1_#t~ite23_47| |v_P1Thread1of1ForFork3_#t~ite23_1|) .cse1 (= v_~y$r_buff1_thd2~0_129 v_~y$r_buff1_thd2~0_128)) (and (= |v_P1_#t~ite23_47| v_~y$r_buff1_thd2~0_128) (let ((.cse21 (= (mod v_~y$r_buff0_thd2~0_175 256) 0))) (or (and .cse20 (or (and .cse21 .cse22) (and .cse21 .cse23) .cse3) (= |v_P1_#t~ite23_47| v_~y$r_buff1_thd2~0_129)) (let ((.cse25 (not .cse21))) (and (or .cse24 .cse25) (or .cse26 .cse25) (let ((.cse27 (= |v_P1_#t~ite22_53| 0))) (or (and (or .cse21 .cse3) .cse27) (and .cse27 .cse25 .cse7))) (= |v_P1_#t~ite22_53| |v_P1_#t~ite23_47|) .cse7)))) .cse11))) (let ((.cse29 (= |v_P1_#t~ite19_63| |v_P1Thread1of1ForFork3_#t~ite19_1|))) (or (and (= |v_P1_#t~ite20_57| v_~y$r_buff0_thd2~0_175) .cse11 (or (and (or .cse3 .cse4 (and .cse28 .cse23)) .cse29 (= |v_P1_#t~ite20_57| v_~y$r_buff0_thd2~0_176)) (and (or .cse26 .cse5) (= |v_P1_#t~ite19_63| |v_P1_#t~ite20_57|) .cse7 .cse10 (or (and .cse8 (= |v_P1_#t~ite19_63| v_~y$r_buff0_thd2~0_176)) (and (= |v_P1_#t~ite19_63| 0) .cse5 .cse7))))) (and (= |v_P1_#t~ite20_57| |v_P1Thread1of1ForFork3_#t~ite20_1|) (= v_~y$r_buff0_thd2~0_176 v_~y$r_buff0_thd2~0_175) .cse29 .cse1))))))) InVars {P1Thread1of1ForFork3_#t~ite17=|v_P1Thread1of1ForFork3_#t~ite17_1|, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_1|, P1Thread1of1ForFork3_#t~ite19=|v_P1Thread1of1ForFork3_#t~ite19_1|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_366, P1Thread1of1ForFork3_#t~nondet4=|v_P1Thread1of1ForFork3_#t~nondet4_1|, P1Thread1of1ForFork3_#t~nondet3=|v_P1Thread1of1ForFork3_#t~nondet3_1|, P1Thread1of1ForFork3_#t~ite22=|v_P1Thread1of1ForFork3_#t~ite22_1|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_1|, P1Thread1of1ForFork3_#t~ite5=|v_P1Thread1of1ForFork3_#t~ite5_1|, P1Thread1of1ForFork3_#t~ite20=|v_P1Thread1of1ForFork3_#t~ite20_1|, P1Thread1of1ForFork3_#t~ite10=|v_P1Thread1of1ForFork3_#t~ite10_1|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, P1Thread1of1ForFork3_#t~ite23=|v_P1Thread1of1ForFork3_#t~ite23_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_1|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_129, P1Thread1of1ForFork3_#t~ite8=|v_P1Thread1of1ForFork3_#t~ite8_1|, ~y$w_buff1~0=v_~y$w_buff1~0_97, P1Thread1of1ForFork3_#t~ite7=|v_P1Thread1of1ForFork3_#t~ite7_1|, ~y$w_buff0~0=v_~y$w_buff0~0_86, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_176, ~y~0=v_~y~0_134, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_286} OutVars{~y$w_buff0_used~0=v_~y$w_buff0_used~0_365, P1Thread1of1ForFork3_#t~ite21=|v_P1Thread1of1ForFork3_#t~ite21_1|, P1Thread1of1ForFork3_#t~ite22=|v_P1Thread1of1ForFork3_#t~ite22_2|, P1Thread1of1ForFork3_#t~ite20=|v_P1Thread1of1ForFork3_#t~ite20_2|, P1Thread1of1ForFork3_#t~ite25=|v_P1Thread1of1ForFork3_#t~ite25_1|, P1Thread1of1ForFork3_#t~ite23=|v_P1Thread1of1ForFork3_#t~ite23_2|, P1Thread1of1ForFork3_#t~ite24=|v_P1Thread1of1ForFork3_#t~ite24_1|, ~y$mem_tmp~0=v_~y$mem_tmp~0_28, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_16, ~y$w_buff0~0=v_~y$w_buff0~0_85, ~y$flush_delayed~0=v_~y$flush_delayed~0_40, ~y~0=v_~y~0_132, P1Thread1of1ForFork3_#t~ite17=|v_P1Thread1of1ForFork3_#t~ite17_2|, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_2|, P1Thread1of1ForFork3_#t~ite19=|v_P1Thread1of1ForFork3_#t~ite19_2|, P1Thread1of1ForFork3_#t~ite18=|v_P1Thread1of1ForFork3_#t~ite18_1|, P1Thread1of1ForFork3_#t~nondet4=|v_P1Thread1of1ForFork3_#t~nondet4_2|, P1Thread1of1ForFork3_#t~nondet3=|v_P1Thread1of1ForFork3_#t~nondet3_2|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_2|, P1Thread1of1ForFork3_#t~ite6=|v_P1Thread1of1ForFork3_#t~ite6_1|, P1Thread1of1ForFork3_#t~ite10=|v_P1Thread1of1ForFork3_#t~ite10_2|, P1Thread1of1ForFork3_#t~ite5=|v_P1Thread1of1ForFork3_#t~ite5_2|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_2|, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, P1Thread1of1ForFork3_#t~ite15=|v_P1Thread1of1ForFork3_#t~ite15_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_2|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_128, ~weak$$choice0~0=v_~weak$$choice0~0_13, P1Thread1of1ForFork3_#t~ite8=|v_P1Thread1of1ForFork3_#t~ite8_2|, ~y$w_buff1~0=v_~y$w_buff1~0_96, P1Thread1of1ForFork3_#t~ite7=|v_P1Thread1of1ForFork3_#t~ite7_2|, P1Thread1of1ForFork3_#t~ite9=|v_P1Thread1of1ForFork3_#t~ite9_1|, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_175, ~weak$$choice2~0=v_~weak$$choice2~0_84, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_285} AuxVars[|v_P1_#t~ite23_47|, |v_P1_#t~ite22_53|, |v_P1_#t~ite7_45|, |v_P1_#t~ite10_49|, |v_P1_#t~ite5_47|, |v_P1_#t~ite8_43|, |v_P1_#t~ite17_39|, |v_P1_#t~ite11_45|, |v_P1_#t~ite19_63|, |v_P1_#t~ite14_49|, |v_P1_#t~ite13_57|, |v_P1_#t~ite20_57|, |v_P1_#t~ite16_43|] AssignedVars[~y$w_buff0_used~0, P1Thread1of1ForFork3_#t~ite21, P1Thread1of1ForFork3_#t~ite22, P1Thread1of1ForFork3_#t~ite20, P1Thread1of1ForFork3_#t~ite25, P1Thread1of1ForFork3_#t~ite23, P1Thread1of1ForFork3_#t~ite24, ~y$mem_tmp~0, ~__unbuffered_p1_EAX~0, ~y$w_buff0~0, ~y$flush_delayed~0, ~y~0, P1Thread1of1ForFork3_#t~ite17, P1Thread1of1ForFork3_#t~ite16, P1Thread1of1ForFork3_#t~ite19, P1Thread1of1ForFork3_#t~ite18, P1Thread1of1ForFork3_#t~nondet4, P1Thread1of1ForFork3_#t~nondet3, P1Thread1of1ForFork3_#t~ite11, P1Thread1of1ForFork3_#t~ite6, P1Thread1of1ForFork3_#t~ite10, P1Thread1of1ForFork3_#t~ite5, P1Thread1of1ForFork3_#t~ite13, P1Thread1of1ForFork3_#t~ite12, P1Thread1of1ForFork3_#t~ite15, P1Thread1of1ForFork3_#t~ite14, ~y$r_buff1_thd2~0, ~weak$$choice0~0, P1Thread1of1ForFork3_#t~ite8, ~y$w_buff1~0, P1Thread1of1ForFork3_#t~ite7, P1Thread1of1ForFork3_#t~ite9, ~y$r_buff0_thd2~0, ~weak$$choice2~0, ~y$w_buff1_used~0][109], [323#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 18#L865-3true, Black: 189#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 193#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 187#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 109#L811true, 263#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 237#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 61#L786true, P1Thread1of1ForFork3InUse, 126#L763true, Black: 213#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 281#(= ~x~0 1), 99#L844true, Black: 289#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1)), Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 297#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 299#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 291#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 293#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1)), Black: 295#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~x~0 1) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 287#(and (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~x~0 1)), Black: 231#(= ~a~0 1)]) [2021-12-06 22:28:34,312 INFO L384 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2021-12-06 22:28:34,312 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-12-06 22:28:34,312 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-12-06 22:28:34,312 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-12-06 22:28:34,527 INFO L129 PetriNetUnfolder]: 1087/2823 cut-off events. [2021-12-06 22:28:34,527 INFO L130 PetriNetUnfolder]: For 4930/5678 co-relation queries the response was YES. [2021-12-06 22:28:34,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8026 conditions, 2823 events. 1087/2823 cut-off events. For 4930/5678 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 23374 event pairs, 107 based on Foata normal form. 171/2805 useless extension candidates. Maximal degree in co-relation 8003. Up to 544 conditions per place. [2021-12-06 22:28:34,541 INFO L132 encePairwiseOnDemand]: 127/137 looper letters, 37 selfloop transitions, 21 changer transitions 21/178 dead transitions. [2021-12-06 22:28:34,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 178 transitions, 876 flow [2021-12-06 22:28:34,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 22:28:34,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-12-06 22:28:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1419 transitions. [2021-12-06 22:28:34,545 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8631386861313869 [2021-12-06 22:28:34,545 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1419 transitions. [2021-12-06 22:28:34,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1419 transitions. [2021-12-06 22:28:34,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:34,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1419 transitions. [2021-12-06 22:28:34,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 118.25) internal successors, (1419), 12 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:34,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 137.0) internal successors, (1781), 13 states have internal predecessors, (1781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:34,551 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 137.0) internal successors, (1781), 13 states have internal predecessors, (1781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:34,551 INFO L186 Difference]: Start difference. First operand has 155 places, 132 transitions, 457 flow. Second operand 12 states and 1419 transitions. [2021-12-06 22:28:34,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 178 transitions, 876 flow [2021-12-06 22:28:34,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 178 transitions, 830 flow, removed 19 selfloop flow, removed 6 redundant places. [2021-12-06 22:28:34,570 INFO L242 Difference]: Finished difference. Result has 160 places, 135 transitions, 515 flow [2021-12-06 22:28:34,571 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=515, PETRI_PLACES=160, PETRI_TRANSITIONS=135} [2021-12-06 22:28:34,571 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 16 predicate places. [2021-12-06 22:28:34,571 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 135 transitions, 515 flow [2021-12-06 22:28:34,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 113.88888888888889) internal successors, (1025), 9 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:34,572 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:34,572 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:34,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 22:28:34,572 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 22:28:34,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:34,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1861445836, now seen corresponding path program 1 times [2021-12-06 22:28:34,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:34,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364442741] [2021-12-06 22:28:34,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:34,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:28:34,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:34,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364442741] [2021-12-06 22:28:34,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364442741] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:34,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:34,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:28:34,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005019582] [2021-12-06 22:28:34,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:34,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:28:34,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:34,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:28:34,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:28:34,666 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2021-12-06 22:28:34,667 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 135 transitions, 515 flow. Second operand has 7 states, 7 states have (on average 114.85714285714286) internal successors, (804), 7 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:34,667 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:34,667 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2021-12-06 22:28:34,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:35,022 INFO L129 PetriNetUnfolder]: 598/2389 cut-off events. [2021-12-06 22:28:35,022 INFO L130 PetriNetUnfolder]: For 4357/4663 co-relation queries the response was YES. [2021-12-06 22:28:35,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6851 conditions, 2389 events. 598/2389 cut-off events. For 4357/4663 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 22791 event pairs, 35 based on Foata normal form. 9/2263 useless extension candidates. Maximal degree in co-relation 6772. Up to 468 conditions per place. [2021-12-06 22:28:35,036 INFO L132 encePairwiseOnDemand]: 131/137 looper letters, 23 selfloop transitions, 1 changer transitions 16/152 dead transitions. [2021-12-06 22:28:35,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 152 transitions, 675 flow [2021-12-06 22:28:35,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:28:35,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 22:28:35,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 818 transitions. [2021-12-06 22:28:35,038 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8529718456725756 [2021-12-06 22:28:35,038 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 818 transitions. [2021-12-06 22:28:35,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 818 transitions. [2021-12-06 22:28:35,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:35,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 818 transitions. [2021-12-06 22:28:35,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 116.85714285714286) internal successors, (818), 7 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:35,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 137.0) internal successors, (1096), 8 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:35,042 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 137.0) internal successors, (1096), 8 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:35,042 INFO L186 Difference]: Start difference. First operand has 160 places, 135 transitions, 515 flow. Second operand 7 states and 818 transitions. [2021-12-06 22:28:35,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 152 transitions, 675 flow [2021-12-06 22:28:35,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 152 transitions, 566 flow, removed 42 selfloop flow, removed 12 redundant places. [2021-12-06 22:28:35,068 INFO L242 Difference]: Finished difference. Result has 157 places, 133 transitions, 425 flow [2021-12-06 22:28:35,069 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=425, PETRI_PLACES=157, PETRI_TRANSITIONS=133} [2021-12-06 22:28:35,069 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 13 predicate places. [2021-12-06 22:28:35,069 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 133 transitions, 425 flow [2021-12-06 22:28:35,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 114.85714285714286) internal successors, (804), 7 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:35,070 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:35,070 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:35,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 22:28:35,070 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 22:28:35,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:35,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1858837898, now seen corresponding path program 2 times [2021-12-06 22:28:35,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:35,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597876184] [2021-12-06 22:28:35,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:35,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:28:35,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:35,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597876184] [2021-12-06 22:28:35,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597876184] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:35,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:35,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 22:28:35,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028814292] [2021-12-06 22:28:35,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:35,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 22:28:35,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:35,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 22:28:35,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:28:35,234 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 137 [2021-12-06 22:28:35,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 133 transitions, 425 flow. Second operand has 9 states, 9 states have (on average 112.44444444444444) internal successors, (1012), 9 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:35,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:35,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 137 [2021-12-06 22:28:35,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:35,585 INFO L129 PetriNetUnfolder]: 423/1978 cut-off events. [2021-12-06 22:28:35,585 INFO L130 PetriNetUnfolder]: For 1092/1174 co-relation queries the response was YES. [2021-12-06 22:28:35,593 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4336 conditions, 1978 events. 423/1978 cut-off events. For 1092/1174 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 18420 event pairs, 27 based on Foata normal form. 1/1876 useless extension candidates. Maximal degree in co-relation 4313. Up to 295 conditions per place. [2021-12-06 22:28:35,595 INFO L132 encePairwiseOnDemand]: 128/137 looper letters, 25 selfloop transitions, 8 changer transitions 6/149 dead transitions. [2021-12-06 22:28:35,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 149 transitions, 563 flow [2021-12-06 22:28:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 22:28:35,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 22:28:35,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1137 transitions. [2021-12-06 22:28:35,599 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.82992700729927 [2021-12-06 22:28:35,599 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1137 transitions. [2021-12-06 22:28:35,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1137 transitions. [2021-12-06 22:28:35,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:35,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1137 transitions. [2021-12-06 22:28:35,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 113.7) internal successors, (1137), 10 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:35,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:35,604 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:35,604 INFO L186 Difference]: Start difference. First operand has 157 places, 133 transitions, 425 flow. Second operand 10 states and 1137 transitions. [2021-12-06 22:28:35,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 149 transitions, 563 flow [2021-12-06 22:28:35,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 149 transitions, 521 flow, removed 10 selfloop flow, removed 8 redundant places. [2021-12-06 22:28:35,622 INFO L242 Difference]: Finished difference. Result has 160 places, 138 transitions, 443 flow [2021-12-06 22:28:35,622 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=443, PETRI_PLACES=160, PETRI_TRANSITIONS=138} [2021-12-06 22:28:35,622 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 16 predicate places. [2021-12-06 22:28:35,622 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 138 transitions, 443 flow [2021-12-06 22:28:35,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 112.44444444444444) internal successors, (1012), 9 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:35,623 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:35,623 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:35,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 22:28:35,623 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 22:28:35,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:35,624 INFO L85 PathProgramCache]: Analyzing trace with hash 735265682, now seen corresponding path program 3 times [2021-12-06 22:28:35,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:35,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891988930] [2021-12-06 22:28:35,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:35,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:28:35,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:35,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891988930] [2021-12-06 22:28:35,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891988930] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:35,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:35,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 22:28:35,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877077265] [2021-12-06 22:28:35,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:35,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 22:28:35,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:35,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 22:28:35,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:28:35,808 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 137 [2021-12-06 22:28:35,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 138 transitions, 443 flow. Second operand has 11 states, 11 states have (on average 110.18181818181819) internal successors, (1212), 11 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:35,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:35,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 137 [2021-12-06 22:28:35,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:36,174 INFO L129 PetriNetUnfolder]: 427/1979 cut-off events. [2021-12-06 22:28:36,174 INFO L130 PetriNetUnfolder]: For 915/995 co-relation queries the response was YES. [2021-12-06 22:28:36,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3970 conditions, 1979 events. 427/1979 cut-off events. For 915/995 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 18420 event pairs, 13 based on Foata normal form. 36/1914 useless extension candidates. Maximal degree in co-relation 3948. Up to 264 conditions per place. [2021-12-06 22:28:36,182 INFO L132 encePairwiseOnDemand]: 127/137 looper letters, 22 selfloop transitions, 6 changer transitions 16/150 dead transitions. [2021-12-06 22:28:36,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 150 transitions, 587 flow [2021-12-06 22:28:36,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 22:28:36,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-06 22:28:36,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1225 transitions. [2021-12-06 22:28:36,184 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8128732581287326 [2021-12-06 22:28:36,184 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1225 transitions. [2021-12-06 22:28:36,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1225 transitions. [2021-12-06 22:28:36,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:36,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1225 transitions. [2021-12-06 22:28:36,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 111.36363636363636) internal successors, (1225), 11 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:36,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 137.0) internal successors, (1644), 12 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:36,190 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 137.0) internal successors, (1644), 12 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:36,190 INFO L186 Difference]: Start difference. First operand has 160 places, 138 transitions, 443 flow. Second operand 11 states and 1225 transitions. [2021-12-06 22:28:36,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 150 transitions, 587 flow [2021-12-06 22:28:36,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 150 transitions, 572 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-12-06 22:28:36,200 INFO L242 Difference]: Finished difference. Result has 167 places, 133 transitions, 420 flow [2021-12-06 22:28:36,201 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=420, PETRI_PLACES=167, PETRI_TRANSITIONS=133} [2021-12-06 22:28:36,201 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 23 predicate places. [2021-12-06 22:28:36,201 INFO L470 AbstractCegarLoop]: Abstraction has has 167 places, 133 transitions, 420 flow [2021-12-06 22:28:36,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 110.18181818181819) internal successors, (1212), 11 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:36,202 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:36,202 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:36,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 22:28:36,202 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 22:28:36,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:36,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1896488766, now seen corresponding path program 4 times [2021-12-06 22:28:36,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:36,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810354370] [2021-12-06 22:28:36,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:36,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:28:36,235 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:28:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:28:36,314 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:28:36,315 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 22:28:36,315 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-12-06 22:28:36,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-12-06 22:28:36,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-12-06 22:28:36,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2021-12-06 22:28:36,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2021-12-06 22:28:36,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 7 remaining) [2021-12-06 22:28:36,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-12-06 22:28:36,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 22:28:36,320 INFO L732 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1, 1] [2021-12-06 22:28:36,324 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-06 22:28:36,324 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:28:36,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:28:36 BasicIcfg [2021-12-06 22:28:36,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:28:36,441 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:28:36,441 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:28:36,442 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:28:36,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:28:28" (3/4) ... [2021-12-06 22:28:36,443 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-06 22:28:36,537 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:28:36,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:28:36,538 INFO L158 Benchmark]: Toolchain (without parser) took 8891.53ms. Allocated memory was 86.0MB in the beginning and 469.8MB in the end (delta: 383.8MB). Free memory was 44.3MB in the beginning and 183.7MB in the end (delta: -139.5MB). Peak memory consumption was 243.7MB. Max. memory is 16.1GB. [2021-12-06 22:28:36,538 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 62.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:28:36,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.89ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 44.1MB in the beginning and 75.3MB in the end (delta: -31.2MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2021-12-06 22:28:36,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.57ms. Allocated memory is still 115.3MB. Free memory was 75.3MB in the beginning and 72.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:28:36,539 INFO L158 Benchmark]: Boogie Preprocessor took 27.73ms. Allocated memory is still 115.3MB. Free memory was 72.3MB in the beginning and 70.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:28:36,539 INFO L158 Benchmark]: RCFGBuilder took 694.91ms. Allocated memory is still 115.3MB. Free memory was 70.2MB in the beginning and 51.6MB in the end (delta: 18.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-06 22:28:36,539 INFO L158 Benchmark]: TraceAbstraction took 7667.87ms. Allocated memory was 115.3MB in the beginning and 469.8MB in the end (delta: 354.4MB). Free memory was 51.0MB in the beginning and 235.1MB in the end (delta: -184.1MB). Peak memory consumption was 172.3MB. Max. memory is 16.1GB. [2021-12-06 22:28:36,540 INFO L158 Benchmark]: Witness Printer took 96.08ms. Allocated memory is still 469.8MB. Free memory was 235.1MB in the beginning and 183.7MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-12-06 22:28:36,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 62.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.89ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 44.1MB in the beginning and 75.3MB in the end (delta: -31.2MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.57ms. Allocated memory is still 115.3MB. Free memory was 75.3MB in the beginning and 72.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.73ms. Allocated memory is still 115.3MB. Free memory was 72.3MB in the beginning and 70.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 694.91ms. Allocated memory is still 115.3MB. Free memory was 70.2MB in the beginning and 51.6MB in the end (delta: 18.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7667.87ms. Allocated memory was 115.3MB in the beginning and 469.8MB in the end (delta: 354.4MB). Free memory was 51.0MB in the beginning and 235.1MB in the end (delta: -184.1MB). Peak memory consumption was 172.3MB. Max. memory is 16.1GB. * Witness Printer took 96.08ms. Allocated memory is still 469.8MB. Free memory was 235.1MB in the beginning and 183.7MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L714] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L716] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0] [L718] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0] [L720] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L722] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L723] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0] [L724] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L726] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L728] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L729] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L730] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L731] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L732] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L733] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L734] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L735] 0 _Bool y$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0] [L736] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0] [L737] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L738] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L739] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L740] 0 _Bool y$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0] [L741] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0] [L742] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L743] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L744] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L745] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L746] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L748] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L749] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L750] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L858] 0 pthread_t t437; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t437={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L859] FCALL, FORK 0 pthread_create(&t437, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t437, ((void *)0), P0, ((void *)0))=8, t437={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L860] 0 pthread_t t438; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t437={5:0}, t438={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L861] FCALL, FORK 0 pthread_create(&t438, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t438, ((void *)0), P1, ((void *)0))=9, t437={5:0}, t438={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L862] 0 pthread_t t439; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t437={5:0}, t438={6:0}, t439={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L863] FCALL, FORK 0 pthread_create(&t439, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t439, ((void *)0), P2, ((void *)0))=10, t437={5:0}, t438={6:0}, t439={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L864] 0 pthread_t t440; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t437={5:0}, t438={6:0}, t439={7:0}, t440={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L865] FCALL, FORK 0 pthread_create(&t440, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t440, ((void *)0), P3, ((void *)0))=11, t437={5:0}, t438={6:0}, t439={7:0}, t440={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L797] 3 y$w_buff1 = y$w_buff0 [L798] 3 y$w_buff0 = 1 [L799] 3 y$w_buff1_used = y$w_buff0_used [L800] 3 y$w_buff0_used = (_Bool)1 [L801] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L801] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L802] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L803] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L804] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L805] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L806] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L807] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L810] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L827] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L830] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L833] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L754] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L769] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 y$flush_delayed = weak$$choice2 [L775] 2 y$mem_tmp = y [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L776] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L777] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L777] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L777] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L777] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L778] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L778] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L778] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L778] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L779] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L779] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L779] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L780] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L781] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L781] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L781] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L782] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L782] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EAX = y [L784] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L784] 2 y = y$flush_delayed ? y$mem_tmp : y [L785] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L813] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L814] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L815] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L816] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L816] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L817] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L817] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L836] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L836] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L836] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L836] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L837] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L837] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L838] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L838] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L839] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L839] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L840] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L840] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L790] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L820] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L843] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L867] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t437={5:0}, t438={6:0}, t439={7:0}, t440={3:0}, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L869] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L869] RET 0 assume_abort_if_not(main$tmp_guard0) [L871] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L871] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L871] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L871] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L872] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L872] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L873] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L873] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L874] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L874] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L875] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L875] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L878] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t437={5:0}, t438={6:0}, t439={7:0}, t440={3:0}, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L880] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 863]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 859]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 865]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 861]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 172 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.4s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 574 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 574 mSDsluCounter, 574 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1097 mSDsCounter, 137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1455 IncrementalHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 137 mSolverCounterUnsat, 122 mSDtfsCounter, 1455 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=515occurred in iteration=8, InterpolantAutomatonStates: 101, 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, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1155 NumberOfCodeBlocks, 1155 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1038 ConstructedInterpolants, 0 QuantifiedInterpolants, 4740 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-12-06 22:28:36,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcafce2-53a0-4356-a3ac-4afde94c6c1b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE