./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11eadb3d3dbb959cb5d260936a4e759de0e9c0b331e2b23d922151dc0bfe3fa5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:45:14,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:45:14,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:45:14,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:45:14,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:45:14,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:45:14,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:45:14,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:45:14,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:45:14,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:45:14,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:45:14,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:45:14,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:45:14,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:45:14,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:45:14,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:45:14,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:45:14,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:45:14,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:45:14,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:45:14,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:45:14,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:45:14,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:45:14,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:45:14,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:45:14,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:45:14,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:45:14,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:45:14,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:45:14,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:45:14,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:45:14,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:45:14,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:45:14,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:45:14,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:45:14,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:45:14,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:45:14,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:45:14,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:45:14,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:45:14,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:45:14,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-20 07:45:14,938 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:45:14,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:45:14,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:45:14,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:45:14,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:45:14,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:45:14,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:45:14,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:45:14,943 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:45:14,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:45:14,945 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:45:14,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:45:14,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:45:14,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:45:14,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:45:14,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:45:14,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:45:14,947 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:45:14,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:45:14,947 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:45:14,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:45:14,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:45:14,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:45:14,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-20 07:45:14,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:45:14,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:45:14,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:45:14,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:45:14,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:45:14,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:45:14,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:45:14,952 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:45:14,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:45:14,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:45:14,953 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:45:14,954 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:45:14,954 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_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11eadb3d3dbb959cb5d260936a4e759de0e9c0b331e2b23d922151dc0bfe3fa5 [2021-11-20 07:45:15,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:45:15,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:45:15,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:45:15,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:45:15,349 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:45:15,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-20 07:45:15,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/data/dd569e488/84fe6ab856544ef29797b14805d6a242/FLAG9da27d1b2 [2021-11-20 07:45:16,204 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:45:16,205 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-20 07:45:16,244 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/data/dd569e488/84fe6ab856544ef29797b14805d6a242/FLAG9da27d1b2 [2021-11-20 07:45:16,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/data/dd569e488/84fe6ab856544ef29797b14805d6a242 [2021-11-20 07:45:16,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:45:16,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:45:16,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:45:16,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:45:16,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:45:16,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:16" (1/1) ... [2021-11-20 07:45:16,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd67464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:16, skipping insertion in model container [2021-11-20 07:45:16,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:16" (1/1) ... [2021-11-20 07:45:16,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:45:16,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:45:16,773 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_a2e7e1cc-008a-4506-a5cf-40b5086c112e/sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2021-11-20 07:45:17,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:45:17,085 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:45:17,106 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_a2e7e1cc-008a-4506-a5cf-40b5086c112e/sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2021-11-20 07:45:17,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:45:17,258 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:45:17,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:17 WrapperNode [2021-11-20 07:45:17,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:45:17,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:45:17,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:45:17,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:45:17,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:17" (1/1) ... [2021-11-20 07:45:17,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:17" (1/1) ... [2021-11-20 07:45:17,378 INFO L137 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 176 [2021-11-20 07:45:17,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:45:17,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:45:17,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:45:17,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:45:17,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:17" (1/1) ... [2021-11-20 07:45:17,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:17" (1/1) ... [2021-11-20 07:45:17,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:17" (1/1) ... [2021-11-20 07:45:17,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:17" (1/1) ... [2021-11-20 07:45:17,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:17" (1/1) ... [2021-11-20 07:45:17,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:17" (1/1) ... [2021-11-20 07:45:17,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:17" (1/1) ... [2021-11-20 07:45:17,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:45:17,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:45:17,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:45:17,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:45:17,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:17" (1/1) ... [2021-11-20 07:45:17,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:45:17,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:45:17,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:45:17,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:45:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:45:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 07:45:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:45:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:45:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:45:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-20 07:45:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-20 07:45:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-20 07:45:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-20 07:45:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-20 07:45:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-20 07:45:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:45:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 07:45:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:45:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:45:17,578 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 07:45:17,729 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:45:17,731 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:45:18,521 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:45:18,971 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:45:18,971 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:45:18,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:45:18 BoogieIcfgContainer [2021-11-20 07:45:18,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:45:18,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:45:18,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:45:18,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:45:18,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:45:16" (1/3) ... [2021-11-20 07:45:18,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121a1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:45:18, skipping insertion in model container [2021-11-20 07:45:18,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:17" (2/3) ... [2021-11-20 07:45:18,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121a1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:45:18, skipping insertion in model container [2021-11-20 07:45:18,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:45:18" (3/3) ... [2021-11-20 07:45:18,989 INFO L111 eAbstractionObserver]: Analyzing ICFG safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-20 07:45:18,996 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:45:18,997 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:45:18,997 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 07:45:18,997 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:45:19,055 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,055 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,056 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,056 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,056 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,056 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,057 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,058 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,058 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,058 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,059 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,059 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,060 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,061 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,061 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,061 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,062 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,063 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,063 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,064 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,064 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,065 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,065 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,065 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,066 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,066 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,066 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,066 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,066 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,067 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,067 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,067 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,067 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,067 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,068 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,068 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,068 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,068 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,068 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,069 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,069 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,069 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,070 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,070 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,070 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,070 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,070 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,070 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,071 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,071 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,071 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,071 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,071 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,072 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,072 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,072 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,072 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,072 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,075 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,076 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,076 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,076 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,076 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,076 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,077 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,077 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,079 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,079 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,079 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,079 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,079 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,080 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,081 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,084 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,085 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,085 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,085 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,086 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,086 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,086 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,086 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,086 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,098 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,099 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,099 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,099 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,100 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,100 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,100 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,100 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,100 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,100 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,104 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,104 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,104 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,104 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,109 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,109 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,109 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,110 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,116 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,116 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,116 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,116 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,117 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,119 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,119 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,120 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,120 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,120 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,122 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,122 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,123 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,123 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,123 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,123 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,123 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,124 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,124 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,124 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,125 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,127 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,127 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,127 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,127 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,128 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,128 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,128 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,129 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,129 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,129 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,130 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 07:45:19,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-20 07:45:19,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:45:19,215 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-20 07:45:19,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-20 07:45:19,274 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork1 ======== [2021-11-20 07:45:19,282 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:45:19,283 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:45:19,495 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,495 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,496 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,496 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,497 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,497 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,497 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,498 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,498 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,498 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,499 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,499 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,499 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,539 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,540 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,541 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,541 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,542 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,542 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,542 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,543 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,543 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,543 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,544 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,544 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,544 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,545 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,649 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:19,665 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:45:19,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:19,675 INFO L85 PathProgramCache]: Analyzing trace with hash 541099632, now seen corresponding path program 1 times [2021-11-20 07:45:19,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:19,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666956531] [2021-11-20 07:45:19,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:19,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:20,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:20,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666956531] [2021-11-20 07:45:20,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666956531] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:20,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:20,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:45:20,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097525896] [2021-11-20 07:45:20,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:20,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:45:20,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:20,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:45:20,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:45:20,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:20,518 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:45:20,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:45:20,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:20,584 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,602 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,613 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,636 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,732 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,735 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,735 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,736 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,736 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,737 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,737 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,738 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,738 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,738 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,738 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,739 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,760 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,789 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,790 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,790 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,791 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,791 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,791 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,792 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,792 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,792 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,792 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,793 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,793 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,793 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,828 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,828 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,829 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,829 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,829 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,829 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,830 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,830 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,830 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,831 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,831 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,831 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,832 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,834 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,861 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,862 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,863 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,863 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,863 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,864 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,864 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,864 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,864 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,865 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,865 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,865 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,866 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,866 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,904 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,904 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,904 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,905 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,905 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,905 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,906 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,906 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,906 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,907 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,907 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,907 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,907 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,935 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,936 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,936 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,936 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,937 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,937 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,937 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,938 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,938 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,938 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,938 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,939 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,939 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,967 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,967 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,968 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,968 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,968 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,968 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,969 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,969 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,969 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,969 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,970 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,970 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:20,970 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,005 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,005 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,006 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,006 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,006 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,006 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,007 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,007 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,007 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,007 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,008 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,008 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,008 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,074 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,075 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,075 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,075 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,076 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,076 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,076 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,077 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,077 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,077 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,078 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,078 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,078 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:45:21,653 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:45:21,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:45:21,672 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-20 07:45:21,673 INFO L308 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork1 was SAFE (1/2) [2021-11-20 07:45:21,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-20 07:45:21,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:45:21,694 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-20 07:45:21,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-11-20 07:45:21,721 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-20 07:45:21,722 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:45:21,723 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-20 07:45:21,826 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,839 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,840 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,840 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,841 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,841 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,841 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,841 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,842 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,842 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,842 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,843 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,843 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,843 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,845 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,875 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,875 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,876 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,876 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,876 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,877 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,877 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,877 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,877 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,878 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,878 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,878 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,879 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:21,913 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:45:21,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:21,917 INFO L85 PathProgramCache]: Analyzing trace with hash -588487779, now seen corresponding path program 1 times [2021-11-20 07:45:21,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:21,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767677668] [2021-11-20 07:45:21,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:21,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:22,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:22,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:22,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767677668] [2021-11-20 07:45:22,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767677668] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:22,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:22,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:45:22,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333532737] [2021-11-20 07:45:22,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:22,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:45:22,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:22,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:45:22,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:45:22,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:22,050 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:45:22,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:45:22,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:22,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:22,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:45:22,071 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:45:22,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:22,072 INFO L85 PathProgramCache]: Analyzing trace with hash 987570941, now seen corresponding path program 1 times [2021-11-20 07:45:22,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:22,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370865313] [2021-11-20 07:45:22,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:22,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:22,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:22,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:22,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370865313] [2021-11-20 07:45:22,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370865313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:22,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:22,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:45:22,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931937] [2021-11-20 07:45:22,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:22,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:45:22,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:22,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:45:22,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:45:22,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:22,429 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:45:22,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:45:22,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:22,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:22,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:22,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:22,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:45:22,604 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:45:22,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:22,605 INFO L85 PathProgramCache]: Analyzing trace with hash 94502844, now seen corresponding path program 1 times [2021-11-20 07:45:22,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:22,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318198806] [2021-11-20 07:45:22,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:22,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:22,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:22,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:22,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318198806] [2021-11-20 07:45:22,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318198806] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:22,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:22,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:45:22,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530504844] [2021-11-20 07:45:22,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:22,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:45:22,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:22,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:45:22,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:45:22,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:22,773 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:45:22,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:45:22,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:22,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:22,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:22,862 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,863 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,863 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,863 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,864 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,864 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,864 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,865 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,865 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,865 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,866 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,866 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,866 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,903 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,905 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,905 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,905 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,906 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,906 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,907 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,907 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,907 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,908 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,908 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,908 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,908 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:22,909 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:23,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:23,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:23,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:45:23,040 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:45:23,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:23,041 INFO L85 PathProgramCache]: Analyzing trace with hash -75561544, now seen corresponding path program 1 times [2021-11-20 07:45:23,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:23,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582527895] [2021-11-20 07:45:23,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:23,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:23,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:23,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:23,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582527895] [2021-11-20 07:45:23,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582527895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:23,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:23,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:45:23,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309826628] [2021-11-20 07:45:23,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:23,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:45:23,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:23,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:45:23,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:45:23,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:23,245 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:45:23,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:45:23,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:23,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:23,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:23,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:23,349 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,394 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,396 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite26#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,532 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,532 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,533 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,533 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,533 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,534 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,534 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,534 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,534 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,535 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,535 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,535 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,536 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,562 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,562 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,563 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,563 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,563 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,564 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,564 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,564 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,565 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,565 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,565 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,566 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,566 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,616 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite26#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,618 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,618 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,619 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,619 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,619 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,619 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,620 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,620 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,620 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,620 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,621 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,621 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,621 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,664 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,664 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,664 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite8_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,665 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,665 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,665 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,665 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,666 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,666 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,666 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,666 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,666 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,667 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,669 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite26#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:23,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:23,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:23,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:23,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:23,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:45:23,710 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:45:23,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:23,712 INFO L85 PathProgramCache]: Analyzing trace with hash -607617372, now seen corresponding path program 1 times [2021-11-20 07:45:23,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:23,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379580312] [2021-11-20 07:45:23,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:23,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:23,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:23,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379580312] [2021-11-20 07:45:23,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379580312] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:23,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:23,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:45:23,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081660267] [2021-11-20 07:45:23,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:23,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:45:23,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:23,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:45:23,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:45:23,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:23,982 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:45:23,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:45:23,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:23,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:23,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:23,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:23,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:24,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:24,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:24,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:24,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:24,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:24,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:45:24,358 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:45:24,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:24,359 INFO L85 PathProgramCache]: Analyzing trace with hash -274744878, now seen corresponding path program 2 times [2021-11-20 07:45:24,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:24,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362196648] [2021-11-20 07:45:24,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:24,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:24,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:24,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:24,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362196648] [2021-11-20 07:45:24,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362196648] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:24,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:24,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:45:24,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858215359] [2021-11-20 07:45:24,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:24,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:45:24,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:24,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:45:24,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:45:24,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:24,586 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:45:24,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:45:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:24,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:24,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:24,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:24,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:24,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:24,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:24,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:45:24,829 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:45:24,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:24,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1083158890, now seen corresponding path program 3 times [2021-11-20 07:45:24,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:24,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610312486] [2021-11-20 07:45:24,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:24,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:25,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:25,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:25,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610312486] [2021-11-20 07:45:25,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610312486] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:25,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:25,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:45:25,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998317550] [2021-11-20 07:45:25,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:25,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:45:25,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:25,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:45:25,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:45:25,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:25,055 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:45:25,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:45:25,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:25,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:25,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:25,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:25,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:25,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:25,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:25,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:25,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:25,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:25,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:25,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:25,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:45:25,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:45:25,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:45:25,271 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:45:25,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:25,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1702989886, now seen corresponding path program 4 times [2021-11-20 07:45:25,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:25,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981823221] [2021-11-20 07:45:25,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:25,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:45:25,325 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:45:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:45:25,438 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:45:25,438 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 07:45:25,439 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-20 07:45:25,439 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-20 07:45:25,439 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-20 07:45:25,440 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-11-20 07:45:25,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:45:25,446 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2021-11-20 07:45:25,447 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2021-11-20 07:45:25,451 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 07:45:25,451 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:45:25,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:45:25 BasicIcfg [2021-11-20 07:45:25,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:45:25,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:45:25,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:45:25,742 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:45:25,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:45:18" (3/4) ... [2021-11-20 07:45:25,745 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-20 07:45:25,961 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/witness.graphml [2021-11-20 07:45:25,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:45:25,962 INFO L158 Benchmark]: Toolchain (without parser) took 9552.58ms. Allocated memory was 86.0MB in the beginning and 172.0MB in the end (delta: 86.0MB). Free memory was 48.1MB in the beginning and 95.7MB in the end (delta: -47.6MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. [2021-11-20 07:45:25,963 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:45:25,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 847.80ms. Allocated memory is still 86.0MB. Free memory was 47.9MB in the beginning and 48.9MB in the end (delta: -1.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:45:25,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.88ms. Allocated memory is still 86.0MB. Free memory was 48.7MB in the beginning and 46.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:45:25,964 INFO L158 Benchmark]: Boogie Preprocessor took 96.36ms. Allocated memory is still 86.0MB. Free memory was 46.2MB in the beginning and 44.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:45:25,965 INFO L158 Benchmark]: RCFGBuilder took 1498.80ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 44.2MB in the beginning and 74.4MB in the end (delta: -30.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-11-20 07:45:25,965 INFO L158 Benchmark]: TraceAbstraction took 6763.73ms. Allocated memory was 104.9MB in the beginning and 172.0MB in the end (delta: 67.1MB). Free memory was 73.8MB in the beginning and 53.0MB in the end (delta: 20.8MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2021-11-20 07:45:25,966 INFO L158 Benchmark]: Witness Printer took 219.78ms. Allocated memory is still 172.0MB. Free memory was 53.0MB in the beginning and 95.7MB in the end (delta: -42.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-20 07:45:25,968 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 847.80ms. Allocated memory is still 86.0MB. Free memory was 47.9MB in the beginning and 48.9MB in the end (delta: -1.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.88ms. Allocated memory is still 86.0MB. Free memory was 48.7MB in the beginning and 46.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.36ms. Allocated memory is still 86.0MB. Free memory was 46.2MB in the beginning and 44.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1498.80ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 44.2MB in the beginning and 74.4MB in the end (delta: -30.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6763.73ms. Allocated memory was 104.9MB in the beginning and 172.0MB in the end (delta: 67.1MB). Free memory was 73.8MB in the beginning and 53.0MB in the end (delta: 20.8MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * Witness Printer took 219.78ms. Allocated memory is still 172.0MB. Free memory was 53.0MB in the beginning and 95.7MB in the end (delta: -42.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15257, positive: 14957, positive conditional: 13264, positive unconditional: 1693, negative: 300, negative conditional: 277, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15166, positive: 14957, positive conditional: 13264, positive unconditional: 1693, negative: 209, negative conditional: 186, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15166, positive: 14957, positive conditional: 13264, positive unconditional: 1693, negative: 209, negative conditional: 186, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15352, positive: 14957, positive conditional: 13237, positive unconditional: 1720, negative: 395, negative conditional: 186, negative unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15352, positive: 14957, positive conditional: 9447, positive unconditional: 5510, negative: 395, negative conditional: 118, negative unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15352, positive: 14957, positive conditional: 9447, positive unconditional: 5510, negative: 395, negative conditional: 118, negative unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1742, positive: 1715, positive conditional: 4, positive unconditional: 1711, negative: 27, negative conditional: 3, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1742, positive: 1707, positive conditional: 0, positive unconditional: 1707, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 4, positive unconditional: 4, negative: 27, negative conditional: 3, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 673, positive: 163, positive conditional: 151, positive unconditional: 12, negative: 509, negative conditional: 100, negative unconditional: 410, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15352, positive: 13242, positive conditional: 9443, positive unconditional: 3799, negative: 368, negative conditional: 115, negative unconditional: 253, unknown: 1742, unknown conditional: 7, unknown unconditional: 1735] , Statistics on independence cache: Total cache size (in pairs): 1742, Positive cache size: 1715, Positive conditional cache size: 4, Positive unconditional cache size: 1711, Negative cache size: 27, Negative conditional cache size: 3, Negative unconditional cache size: 24, Eliminated conditions: 3858, Maximal queried relation: 1, Independence queries for same thread: 91 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.7s, Number of persistent set computation: 1316, Number of trivial persistent sets: 772, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1716, positive: 1693, positive conditional: 0, positive unconditional: 1693, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15257, positive: 14957, positive conditional: 13264, positive unconditional: 1693, negative: 300, negative conditional: 277, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15166, positive: 14957, positive conditional: 13264, positive unconditional: 1693, negative: 209, negative conditional: 186, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15166, positive: 14957, positive conditional: 13264, positive unconditional: 1693, negative: 209, negative conditional: 186, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15352, positive: 14957, positive conditional: 13237, positive unconditional: 1720, negative: 395, negative conditional: 186, negative unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15352, positive: 14957, positive conditional: 9447, positive unconditional: 5510, negative: 395, negative conditional: 118, negative unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15352, positive: 14957, positive conditional: 9447, positive unconditional: 5510, negative: 395, negative conditional: 118, negative unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1742, positive: 1715, positive conditional: 4, positive unconditional: 1711, negative: 27, negative conditional: 3, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1742, positive: 1707, positive conditional: 0, positive unconditional: 1707, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 4, positive unconditional: 4, negative: 27, negative conditional: 3, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 673, positive: 163, positive conditional: 151, positive unconditional: 12, negative: 509, negative conditional: 100, negative unconditional: 410, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15352, positive: 13242, positive conditional: 9443, positive unconditional: 3799, negative: 368, negative conditional: 115, negative unconditional: 253, unknown: 1742, unknown conditional: 7, unknown unconditional: 1735] , Statistics on independence cache: Total cache size (in pairs): 1742, Positive cache size: 1715, Positive conditional cache size: 4, Positive unconditional cache size: 1711, Negative cache size: 27, Negative conditional cache size: 3, Negative unconditional cache size: 24, Eliminated conditions: 3858, Maximal queried relation: 1, Independence queries for same thread: 91 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8287, positive: 7983, positive conditional: 6616, positive unconditional: 1367, negative: 304, negative conditional: 276, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8198, positive: 7983, positive conditional: 6616, positive unconditional: 1367, negative: 215, negative conditional: 187, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8198, positive: 7983, positive conditional: 6616, positive unconditional: 1367, negative: 215, negative conditional: 187, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9060, positive: 7983, positive conditional: 6209, positive unconditional: 1774, negative: 1077, negative conditional: 862, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9060, positive: 7983, positive conditional: 1463, positive unconditional: 6520, negative: 1077, negative conditional: 90, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9060, positive: 7983, positive conditional: 1463, positive unconditional: 6520, negative: 1077, negative conditional: 90, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1405, positive: 1374, positive conditional: 7, positive unconditional: 1367, negative: 31, negative conditional: 2, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1405, positive: 1361, positive conditional: 0, positive unconditional: 1361, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 13, positive conditional: 7, positive unconditional: 6, negative: 31, negative conditional: 2, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 490, positive: 27, positive conditional: 12, positive unconditional: 15, negative: 463, negative conditional: 4, negative unconditional: 459, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9060, positive: 6609, positive conditional: 1456, positive unconditional: 5153, negative: 1046, negative conditional: 88, negative unconditional: 958, unknown: 1405, unknown conditional: 9, unknown unconditional: 1396] , Statistics on independence cache: Total cache size (in pairs): 1405, Positive cache size: 1374, Positive conditional cache size: 7, Positive unconditional cache size: 1367, Negative cache size: 31, Negative conditional cache size: 2, Negative unconditional cache size: 29, Eliminated conditions: 5518, Maximal queried relation: 6, Independence queries for same thread: 89 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 511, Number of trivial persistent sets: 282, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1395, positive: 1367, positive conditional: 0, positive unconditional: 1367, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8287, positive: 7983, positive conditional: 6616, positive unconditional: 1367, negative: 304, negative conditional: 276, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8198, positive: 7983, positive conditional: 6616, positive unconditional: 1367, negative: 215, negative conditional: 187, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8198, positive: 7983, positive conditional: 6616, positive unconditional: 1367, negative: 215, negative conditional: 187, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9060, positive: 7983, positive conditional: 6209, positive unconditional: 1774, negative: 1077, negative conditional: 862, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9060, positive: 7983, positive conditional: 1463, positive unconditional: 6520, negative: 1077, negative conditional: 90, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9060, positive: 7983, positive conditional: 1463, positive unconditional: 6520, negative: 1077, negative conditional: 90, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1405, positive: 1374, positive conditional: 7, positive unconditional: 1367, negative: 31, negative conditional: 2, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1405, positive: 1361, positive conditional: 0, positive unconditional: 1361, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 13, positive conditional: 7, positive unconditional: 6, negative: 31, negative conditional: 2, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 490, positive: 27, positive conditional: 12, positive unconditional: 15, negative: 463, negative conditional: 4, negative unconditional: 459, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9060, positive: 6609, positive conditional: 1456, positive unconditional: 5153, negative: 1046, negative conditional: 88, negative unconditional: 958, unknown: 1405, unknown conditional: 9, unknown unconditional: 1396] , Statistics on independence cache: Total cache size (in pairs): 1405, Positive cache size: 1374, Positive conditional cache size: 7, Positive unconditional cache size: 1367, Negative cache size: 31, Negative conditional cache size: 2, Negative unconditional cache size: 29, Eliminated conditions: 5518, Maximal queried relation: 6, Independence queries for same thread: 89 - 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: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L713] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L714] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0] [L715] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L717] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L719] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L720] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L721] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L722] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L723] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$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$r_buff0_thd1=0] [L724] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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$r_buff0_thd2=0] [L725] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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] [L726] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$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_buff1_thd0=0] [L727] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$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_buff1_thd0=0, y$r_buff1_thd1=0] [L728] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L729] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L730] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L731] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L732] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L733] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L734] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L735] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L737] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$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] [L738] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L739] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L827] 0 pthread_t t2577; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2577={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L828] FCALL, FORK 0 pthread_create(&t2577, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2577, ((void *)0), P0, ((void *)0))=-2, t2577={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L829] 0 pthread_t t2578; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2577={5:0}, t2578={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L830] FCALL, FORK 0 pthread_create(&t2578, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2578, ((void *)0), P1, ((void *)0))=-1, t2577={5:0}, t2578={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L831] 0 pthread_t t2579; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2577={5:0}, t2578={6:0}, t2579={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L832] FCALL, FORK 0 pthread_create(&t2579, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2579, ((void *)0), P2, ((void *)0))=0, t2577={5:0}, t2578={6:0}, t2579={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L790] 3 y$w_buff1 = y$w_buff0 [L791] 3 y$w_buff0 = 1 [L792] 3 y$w_buff1_used = y$w_buff0_used [L793] 3 y$w_buff0_used = (_Bool)1 [L794] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L794] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L795] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L796] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L797] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L798] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L799] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L802] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L743] 1 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L748] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L755] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L760] 2 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L765] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L766] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L767] 2 y$flush_delayed = weak$$choice2 [L768] 2 y$mem_tmp = y [L769] EXPR 2 !y$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) [L769] 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) [L770] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L770] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L770] EXPR 2 weak$$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$w_buff0)) [L770] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L771] EXPR 2 weak$$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$w_buff1)) [L771] EXPR 2 !y$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) [L771] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L771] 2 y$w_buff1 = weak$$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)) [L772] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L772] EXPR 2 weak$$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)) [L772] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L773] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] EXPR 2 !y$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) [L773] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 y$w_buff1_used = weak$$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)) [L774] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L774] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L774] EXPR 2 weak$$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)) [L774] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L775] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] EXPR 2 !y$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) [L775] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] 2 y$r_buff1_thd2 = weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 __unbuffered_p1_EAX = y [L777] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L777] 2 y = y$flush_delayed ? y$mem_tmp : y [L778] 2 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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=2] [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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=2] [L785] 2 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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=2] [L805] 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) [L805] 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) [L806] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L806] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L807] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L807] 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 [L808] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L808] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L809] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L809] 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 [L812] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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$$choice0=66, weak$$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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=2] [L834] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2577={5:0}, t2578={6:0}, t2579={3:0}, weak$$choice0=66, weak$$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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=2] [L836] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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=2] [L836] RET 0 assume_abort_if_not(main$tmp_guard0) [L838] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L838] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L838] 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) [L838] 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) [L839] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L839] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L840] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L840] 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 [L841] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L841] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L842] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L842] 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 [L845] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2577={5:0}, t2578={6:0}, t2579={3:0}, weak$$choice0=66, weak$$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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=2] [L847] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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=2] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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$$choice0=66, weak$$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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=2] - UnprovableResult [Line: 830]: 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: 832]: 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: 828]: 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 for errors in thread instance: P2Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 138 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 138 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 45, 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, 673 NumberOfCodeBlocks, 673 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 575 ConstructedInterpolants, 0 QuantifiedInterpolants, 1717 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-20 07:45:26,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:45:26,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:45:26,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e7e1cc-008a-4506-a5cf-40b5086c112e/bin/ugemcutter-b9s2R6iq4d/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