./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b74079121634b4e5d8b815834e604eed77442466d93875e78a8cab3fe135fa1f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:59:28,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:59:29,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:59:29,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:59:29,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:59:29,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:59:29,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:59:29,086 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:59:29,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:59:29,087 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:59:29,087 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:59:29,087 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:59:29,088 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:59:29,088 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:59:29,090 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:59:29,090 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:59:29,091 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:59:29,091 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:59:29,093 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:59:29,093 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:59:29,094 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:59:29,094 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:59:29,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:59:29,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:59:29,094 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:59:29,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:59:29,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:59:29,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:59:29,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:59:29,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:59:29,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:59:29,095 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:59:29,095 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:59:29,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:59:29,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:59:29,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:59:29,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:59:29,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:59:29,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:59:29,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:59:29,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:59:29,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:59:29,098 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:59:29,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:59:29,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:59:29,098 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:59:29,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:59:29,098 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> Taipan 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 -> b74079121634b4e5d8b815834e604eed77442466d93875e78a8cab3fe135fa1f [2024-11-14 03:59:29,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:59:29,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:59:29,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:59:29,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:59:29,510 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:59:29,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c Unable to find full path for "g++" [2024-11-14 03:59:31,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:59:31,933 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:59:31,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c [2024-11-14 03:59:31,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/data/7e2ea1fd2/0bbeac6d6e954b9fb32292d6ed29dc3f/FLAG86fc15dbe [2024-11-14 03:59:32,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/data/7e2ea1fd2/0bbeac6d6e954b9fb32292d6ed29dc3f [2024-11-14 03:59:32,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:59:32,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:59:32,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:59:32,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:59:32,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:59:32,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:59:32" (1/1) ... [2024-11-14 03:59:32,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f4d973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:32, skipping insertion in model container [2024-11-14 03:59:32,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:59:32" (1/1) ... [2024-11-14 03:59:32,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:59:32,327 WARN L250 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_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c[643,656] [2024-11-14 03:59:32,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:59:32,404 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:59:32,415 WARN L250 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_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c[643,656] [2024-11-14 03:59:32,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:59:32,469 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:59:32,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:32 WrapperNode [2024-11-14 03:59:32,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:59:32,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:59:32,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:59:32,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:59:32,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:32" (1/1) ... [2024-11-14 03:59:32,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:32" (1/1) ... [2024-11-14 03:59:32,513 INFO L138 Inliner]: procedures = 29, calls = 31, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 185 [2024-11-14 03:59:32,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:59:32,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:59:32,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:59:32,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:59:32,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:32" (1/1) ... [2024-11-14 03:59:32,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:32" (1/1) ... [2024-11-14 03:59:32,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:32" (1/1) ... [2024-11-14 03:59:32,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:32" (1/1) ... [2024-11-14 03:59:32,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:32" (1/1) ... [2024-11-14 03:59:32,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:32" (1/1) ... [2024-11-14 03:59:32,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:32" (1/1) ... [2024-11-14 03:59:32,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:32" (1/1) ... [2024-11-14 03:59:32,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:59:32,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:59:32,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:59:32,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:59:32,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:32" (1/1) ... [2024-11-14 03:59:32,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:59:32,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:59:32,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:59:32,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:59:32,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:59:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-14 03:59:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-14 03:59:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-11-14 03:59:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-11-14 03:59:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-14 03:59:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-14 03:59:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-14 03:59:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-14 03:59:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-14 03:59:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-14 03:59:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-14 03:59:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-14 03:59:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:59:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-14 03:59:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-14 03:59:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:59:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:59:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-11-14 03:59:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-11-14 03:59:32,769 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:59:32,772 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:59:33,229 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-14 03:59:33,230 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:59:33,372 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:59:33,373 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-14 03:59:33,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:59:33 BoogieIcfgContainer [2024-11-14 03:59:33,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:59:33,376 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:59:33,376 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:59:33,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:59:33,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:59:32" (1/3) ... [2024-11-14 03:59:33,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac0f469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:59:33, skipping insertion in model container [2024-11-14 03:59:33,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:32" (2/3) ... [2024-11-14 03:59:33,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac0f469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:59:33, skipping insertion in model container [2024-11-14 03:59:33,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:59:33" (3/3) ... [2024-11-14 03:59:33,386 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-1.c [2024-11-14 03:59:33,407 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:59:33,409 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG pc_sfifo_2.cil-1.c that has 9 procedures, 72 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-14 03:59:33,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:59:33,496 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1738cf9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:59:33,497 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:59:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 52 states have internal predecessors, (71), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 03:59:33,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-14 03:59:33,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:59:33,517 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:59:33,517 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:59:33,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:59:33,524 INFO L85 PathProgramCache]: Analyzing trace with hash -549034704, now seen corresponding path program 1 times [2024-11-14 03:59:33,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:59:33,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124009790] [2024-11-14 03:59:33,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:33,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:59:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:59:33,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:59:33,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124009790] [2024-11-14 03:59:33,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124009790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:59:33,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:59:33,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:59:33,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059825064] [2024-11-14 03:59:33,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:59:33,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:59:33,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:59:33,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:59:33,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:59:33,928 INFO L87 Difference]: Start difference. First operand has 72 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 52 states have internal predecessors, (71), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-14 03:59:34,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:59:34,366 INFO L93 Difference]: Finished difference Result 201 states and 279 transitions. [2024-11-14 03:59:34,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:59:34,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 44 [2024-11-14 03:59:34,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:59:34,385 INFO L225 Difference]: With dead ends: 201 [2024-11-14 03:59:34,385 INFO L226 Difference]: Without dead ends: 130 [2024-11-14 03:59:34,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:59:34,399 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 155 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:59:34,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 220 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:59:34,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-14 03:59:34,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 123. [2024-11-14 03:59:34,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 86 states have (on average 1.3372093023255813) internal successors, (115), 88 states have internal predecessors, (115), 22 states have call successors, (22), 15 states have call predecessors, (22), 14 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 03:59:34,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 157 transitions. [2024-11-14 03:59:34,483 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 157 transitions. Word has length 44 [2024-11-14 03:59:34,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:59:34,484 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 157 transitions. [2024-11-14 03:59:34,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-14 03:59:34,485 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 157 transitions. [2024-11-14 03:59:34,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-14 03:59:34,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:59:34,488 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:59:34,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:59:34,488 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:59:34,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:59:34,489 INFO L85 PathProgramCache]: Analyzing trace with hash 369939919, now seen corresponding path program 1 times [2024-11-14 03:59:34,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:59:34,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771997142] [2024-11-14 03:59:34,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:34,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:59:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:59:34,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:59:34,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771997142] [2024-11-14 03:59:34,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771997142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:59:34,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:59:34,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:59:34,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622267625] [2024-11-14 03:59:34,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:59:34,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:59:34,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:59:34,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:59:34,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:59:34,794 INFO L87 Difference]: Start difference. First operand 123 states and 157 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-14 03:59:35,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:59:35,084 INFO L93 Difference]: Finished difference Result 352 states and 452 transitions. [2024-11-14 03:59:35,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:59:35,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 44 [2024-11-14 03:59:35,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:59:35,091 INFO L225 Difference]: With dead ends: 352 [2024-11-14 03:59:35,093 INFO L226 Difference]: Without dead ends: 234 [2024-11-14 03:59:35,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:59:35,096 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 149 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:59:35,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 220 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:59:35,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-14 03:59:35,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 220. [2024-11-14 03:59:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 153 states have (on average 1.2483660130718954) internal successors, (191), 155 states have internal predecessors, (191), 38 states have call successors, (38), 29 states have call predecessors, (38), 28 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-14 03:59:35,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 265 transitions. [2024-11-14 03:59:35,141 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 265 transitions. Word has length 44 [2024-11-14 03:59:35,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:59:35,142 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 265 transitions. [2024-11-14 03:59:35,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-14 03:59:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 265 transitions. [2024-11-14 03:59:35,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-14 03:59:35,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:59:35,144 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:59:35,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:59:35,144 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:59:35,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:59:35,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1810319078, now seen corresponding path program 1 times [2024-11-14 03:59:35,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:59:35,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910543804] [2024-11-14 03:59:35,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:35,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:59:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:35,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:59:35,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:59:35,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910543804] [2024-11-14 03:59:35,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910543804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:59:35,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:59:35,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 03:59:35,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276826819] [2024-11-14 03:59:35,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:59:35,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 03:59:35,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:59:35,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 03:59:35,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:59:35,525 INFO L87 Difference]: Start difference. First operand 220 states and 265 transitions. Second operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 4 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-14 03:59:36,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:59:36,251 INFO L93 Difference]: Finished difference Result 552 states and 657 transitions. [2024-11-14 03:59:36,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 03:59:36,252 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 4 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 45 [2024-11-14 03:59:36,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:59:36,256 INFO L225 Difference]: With dead ends: 552 [2024-11-14 03:59:36,257 INFO L226 Difference]: Without dead ends: 338 [2024-11-14 03:59:36,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-14 03:59:36,261 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 195 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:59:36,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 296 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:59:36,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-14 03:59:36,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 316. [2024-11-14 03:59:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 219 states have (on average 1.2283105022831051) internal successors, (269), 221 states have internal predecessors, (269), 54 states have call successors, (54), 43 states have call predecessors, (54), 42 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-14 03:59:36,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 375 transitions. [2024-11-14 03:59:36,370 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 375 transitions. Word has length 45 [2024-11-14 03:59:36,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:59:36,370 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 375 transitions. [2024-11-14 03:59:36,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 4 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-14 03:59:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 375 transitions. [2024-11-14 03:59:36,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-14 03:59:36,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:59:36,372 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:59:36,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 03:59:36,373 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:59:36,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:59:36,378 INFO L85 PathProgramCache]: Analyzing trace with hash -511150226, now seen corresponding path program 1 times [2024-11-14 03:59:36,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:59:36,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511049738] [2024-11-14 03:59:36,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:36,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:59:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:36,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:59:36,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:59:36,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511049738] [2024-11-14 03:59:36,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511049738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:59:36,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:59:36,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:59:36,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795486216] [2024-11-14 03:59:36,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:59:36,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:59:36,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:59:36,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:59:36,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:59:36,526 INFO L87 Difference]: Start difference. First operand 316 states and 375 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-14 03:59:36,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:59:36,696 INFO L93 Difference]: Finished difference Result 687 states and 816 transitions. [2024-11-14 03:59:36,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:59:36,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2024-11-14 03:59:36,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:59:36,704 INFO L225 Difference]: With dead ends: 687 [2024-11-14 03:59:36,705 INFO L226 Difference]: Without dead ends: 423 [2024-11-14 03:59:36,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:59:36,711 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 67 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:59:36,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 133 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:59:36,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-14 03:59:36,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 415. [2024-11-14 03:59:36,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 288 states have (on average 1.2222222222222223) internal successors, (352), 290 states have internal predecessors, (352), 70 states have call successors, (70), 57 states have call predecessors, (70), 56 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-14 03:59:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 490 transitions. [2024-11-14 03:59:36,821 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 490 transitions. Word has length 46 [2024-11-14 03:59:36,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:59:36,821 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 490 transitions. [2024-11-14 03:59:36,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-14 03:59:36,821 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 490 transitions. [2024-11-14 03:59:36,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-14 03:59:36,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:59:36,824 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:59:36,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 03:59:36,827 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:59:36,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:59:36,828 INFO L85 PathProgramCache]: Analyzing trace with hash -127301961, now seen corresponding path program 1 times [2024-11-14 03:59:36,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:59:36,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049068082] [2024-11-14 03:59:36,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:36,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:59:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:36,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:59:36,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:59:36,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049068082] [2024-11-14 03:59:36,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049068082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:59:36,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:59:36,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:59:36,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796528412] [2024-11-14 03:59:36,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:59:36,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:59:36,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:59:36,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:59:36,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:59:36,988 INFO L87 Difference]: Start difference. First operand 415 states and 490 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-14 03:59:37,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:59:37,301 INFO L93 Difference]: Finished difference Result 520 states and 611 transitions. [2024-11-14 03:59:37,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:59:37,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 53 [2024-11-14 03:59:37,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:59:37,310 INFO L225 Difference]: With dead ends: 520 [2024-11-14 03:59:37,310 INFO L226 Difference]: Without dead ends: 517 [2024-11-14 03:59:37,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:59:37,312 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 164 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:59:37,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 119 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:59:37,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-14 03:59:37,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 414. [2024-11-14 03:59:37,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 288 states have (on average 1.2118055555555556) internal successors, (349), 289 states have internal predecessors, (349), 69 states have call successors, (69), 57 states have call predecessors, (69), 56 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-14 03:59:37,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 486 transitions. [2024-11-14 03:59:37,421 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 486 transitions. Word has length 53 [2024-11-14 03:59:37,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:59:37,421 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 486 transitions. [2024-11-14 03:59:37,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-14 03:59:37,421 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 486 transitions. [2024-11-14 03:59:37,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-14 03:59:37,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:59:37,423 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:59:37,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 03:59:37,427 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:59:37,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:59:37,428 INFO L85 PathProgramCache]: Analyzing trace with hash 348254646, now seen corresponding path program 1 times [2024-11-14 03:59:37,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:59:37,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18704025] [2024-11-14 03:59:37,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:37,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:59:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:59:37,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:59:37,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18704025] [2024-11-14 03:59:37,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18704025] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:59:37,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180027190] [2024-11-14 03:59:37,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:37,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:59:37,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:59:37,752 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:59:37,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:59:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:37,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 03:59:37,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:59:38,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:59:38,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:59:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:59:38,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180027190] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:59:38,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [638076814] [2024-11-14 03:59:38,490 INFO L159 IcfgInterpreter]: Started Sifa with 53 locations of interest [2024-11-14 03:59:38,490 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:59:38,494 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:59:38,499 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:59:38,500 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:59:40,218 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events with input of size 67 for LOIs [2024-11-14 03:59:40,265 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events with input of size 67 for LOIs [2024-11-14 03:59:40,306 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels with input of size 74 for LOIs [2024-11-14 03:59:40,348 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread with input of size 63 for LOIs [2024-11-14 03:59:40,391 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads with input of size 71 for LOIs [2024-11-14 03:59:40,765 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_write_p_triggered with input of size 67 for LOIs [2024-11-14 03:59:40,815 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_read_c_triggered with input of size 67 for LOIs [2024-11-14 03:59:40,864 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:59:45,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [638076814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:59:45,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:59:45,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [5, 4, 4] total 35 [2024-11-14 03:59:45,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647181081] [2024-11-14 03:59:45,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:59:45,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-14 03:59:45,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:59:45,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-14 03:59:45,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=995, Unknown=0, NotChecked=0, Total=1190 [2024-11-14 03:59:45,446 INFO L87 Difference]: Start difference. First operand 414 states and 486 transitions. Second operand has 30 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 7 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-14 03:59:49,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:59:49,855 INFO L93 Difference]: Finished difference Result 848 states and 996 transitions. [2024-11-14 03:59:49,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-14 03:59:49,856 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 7 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 6 states have call successors, (7) Word has length 54 [2024-11-14 03:59:49,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:59:49,860 INFO L225 Difference]: With dead ends: 848 [2024-11-14 03:59:49,860 INFO L226 Difference]: Without dead ends: 440 [2024-11-14 03:59:49,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 129 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 787 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=401, Invalid=1855, Unknown=0, NotChecked=0, Total=2256 [2024-11-14 03:59:49,864 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 131 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:59:49,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 591 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-14 03:59:49,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-14 03:59:49,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 432. [2024-11-14 03:59:49,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 304 states have (on average 1.207236842105263) internal successors, (367), 305 states have internal predecessors, (367), 70 states have call successors, (70), 58 states have call predecessors, (70), 57 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-14 03:59:49,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 506 transitions. [2024-11-14 03:59:49,965 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 506 transitions. Word has length 54 [2024-11-14 03:59:49,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:59:49,967 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 506 transitions. [2024-11-14 03:59:49,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 7 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-14 03:59:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 506 transitions. [2024-11-14 03:59:49,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-14 03:59:49,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:59:49,970 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:59:50,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:59:50,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-14 03:59:50,171 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:59:50,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:59:50,171 INFO L85 PathProgramCache]: Analyzing trace with hash 2055601122, now seen corresponding path program 1 times [2024-11-14 03:59:50,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:59:50,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438807192] [2024-11-14 03:59:50,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:50,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:59:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 03:59:50,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:59:50,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438807192] [2024-11-14 03:59:50,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438807192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:59:50,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:59:50,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:59:50,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796468235] [2024-11-14 03:59:50,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:59:50,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:59:50,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:59:50,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:59:50,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:59:50,259 INFO L87 Difference]: Start difference. First operand 432 states and 506 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-14 03:59:50,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:59:50,401 INFO L93 Difference]: Finished difference Result 877 states and 1032 transitions. [2024-11-14 03:59:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:59:50,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2024-11-14 03:59:50,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:59:50,411 INFO L225 Difference]: With dead ends: 877 [2024-11-14 03:59:50,411 INFO L226 Difference]: Without dead ends: 616 [2024-11-14 03:59:50,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:59:50,414 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 43 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:59:50,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 174 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:59:50,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-14 03:59:50,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 487. [2024-11-14 03:59:50,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 349 states have (on average 1.2206303724928367) internal successors, (426), 350 states have internal predecessors, (426), 75 states have call successors, (75), 63 states have call predecessors, (75), 62 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-14 03:59:50,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 575 transitions. [2024-11-14 03:59:50,531 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 575 transitions. Word has length 60 [2024-11-14 03:59:50,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:59:50,532 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 575 transitions. [2024-11-14 03:59:50,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-14 03:59:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 575 transitions. [2024-11-14 03:59:50,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-14 03:59:50,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:59:50,537 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:59:50,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 03:59:50,538 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:59:50,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:59:50,538 INFO L85 PathProgramCache]: Analyzing trace with hash 735205278, now seen corresponding path program 1 times [2024-11-14 03:59:50,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:59:50,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818394639] [2024-11-14 03:59:50,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:50,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:59:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:51,159 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-14 03:59:51,159 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:59:51,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818394639] [2024-11-14 03:59:51,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818394639] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:59:51,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881483003] [2024-11-14 03:59:51,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:51,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:59:51,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:59:51,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:59:51,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 03:59:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:51,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 03:59:51,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:59:51,370 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 03:59:51,370 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:59:51,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881483003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:59:51,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 03:59:51,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 17 [2024-11-14 03:59:51,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556148261] [2024-11-14 03:59:51,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:59:51,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:59:51,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:59:51,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:59:51,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-14 03:59:51,373 INFO L87 Difference]: Start difference. First operand 487 states and 575 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-14 03:59:51,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:59:51,545 INFO L93 Difference]: Finished difference Result 825 states and 977 transitions. [2024-11-14 03:59:51,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:59:51,545 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 101 [2024-11-14 03:59:51,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:59:51,548 INFO L225 Difference]: With dead ends: 825 [2024-11-14 03:59:51,549 INFO L226 Difference]: Without dead ends: 344 [2024-11-14 03:59:51,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-11-14 03:59:51,551 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 16 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:59:51,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 335 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:59:51,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-14 03:59:51,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 340. [2024-11-14 03:59:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 253 states have (on average 1.2213438735177866) internal successors, (309), 254 states have internal predecessors, (309), 47 states have call successors, (47), 40 states have call predecessors, (47), 39 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-14 03:59:51,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 402 transitions. [2024-11-14 03:59:51,613 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 402 transitions. Word has length 101 [2024-11-14 03:59:51,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:59:51,614 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 402 transitions. [2024-11-14 03:59:51,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-14 03:59:51,614 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 402 transitions. [2024-11-14 03:59:51,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-14 03:59:51,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:59:51,617 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:59:51,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 03:59:51,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-14 03:59:51,818 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:59:51,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:59:51,818 INFO L85 PathProgramCache]: Analyzing trace with hash 155452650, now seen corresponding path program 1 times [2024-11-14 03:59:51,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:59:51,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491910652] [2024-11-14 03:59:51,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:51,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:59:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:52,144 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-14 03:59:52,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:59:52,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491910652] [2024-11-14 03:59:52,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491910652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:59:52,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146768552] [2024-11-14 03:59:52,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:52,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:59:52,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:59:52,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:59:52,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 03:59:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:52,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 03:59:52,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:59:52,780 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:59:52,781 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:59:52,989 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-14 03:59:52,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146768552] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:59:52,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [63253600] [2024-11-14 03:59:52,992 INFO L159 IcfgInterpreter]: Started Sifa with 64 locations of interest [2024-11-14 03:59:52,992 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:59:52,993 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:59:52,993 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:59:52,994 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:59:57,221 INFO L197 IcfgInterpreter]: Interpreting procedure error with input of size 33 for LOIs [2024-11-14 03:59:57,226 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events with input of size 92 for LOIs [2024-11-14 03:59:57,269 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events with input of size 69 for LOIs [2024-11-14 03:59:57,311 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels with input of size 80 for LOIs [2024-11-14 03:59:57,370 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread with input of size 1 for LOIs [2024-11-14 03:59:57,372 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads with input of size 75 for LOIs [2024-11-14 03:59:57,540 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_write_p_triggered with input of size 69 for LOIs [2024-11-14 03:59:57,613 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_read_c_triggered with input of size 16 for LOIs [2024-11-14 03:59:57,628 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:00:02,054 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12767#(and (= ~q_req_up~0 1) (not (= ~p_dw_st~0 0)) (= ~q_free~0 1) (not (= ~c_num_read~0 ~p_num_write~0)) (exists ((|v_ULTIMATE.start_eval_~tmp___0~2#1_16| Int)) (and (not (= |v_ULTIMATE.start_eval_~tmp___0~2#1_16| 0)) (<= 0 (+ 2147483648 |v_ULTIMATE.start_eval_~tmp___0~2#1_16|)) (<= |v_ULTIMATE.start_eval_~tmp___0~2#1_16| 2147483647))) (= ~c_last_read~0 ~q_buf_0~0) (= ~c_dr_pc~0 0) (= ~c_last_read~0 ~p_last_write~0) (= ~c_dr_st~0 1))' at error location [2024-11-14 04:00:02,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:00:02,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:00:02,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 13 [2024-11-14 04:00:02,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832447261] [2024-11-14 04:00:02,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:00:02,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 04:00:02,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:00:02,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 04:00:02,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=2860, Unknown=0, NotChecked=0, Total=3080 [2024-11-14 04:00:02,059 INFO L87 Difference]: Start difference. First operand 340 states and 402 transitions. Second operand has 13 states, 12 states have (on average 13.083333333333334) internal successors, (157), 12 states have internal predecessors, (157), 9 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (41), 10 states have call predecessors, (41), 9 states have call successors, (41) [2024-11-14 04:00:05,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:00:05,612 INFO L93 Difference]: Finished difference Result 1587 states and 1880 transitions. [2024-11-14 04:00:05,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-14 04:00:05,613 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.083333333333334) internal successors, (157), 12 states have internal predecessors, (157), 9 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (41), 10 states have call predecessors, (41), 9 states have call successors, (41) Word has length 103 [2024-11-14 04:00:05,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:00:05,621 INFO L225 Difference]: With dead ends: 1587 [2024-11-14 04:00:05,621 INFO L226 Difference]: Without dead ends: 1326 [2024-11-14 04:00:05,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 266 SyntacticMatches, 12 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3471 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=948, Invalid=11484, Unknown=0, NotChecked=0, Total=12432 [2024-11-14 04:00:05,627 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 687 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 1724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:00:05,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 1112 Invalid, 1724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-14 04:00:05,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-11-14 04:00:05,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 931. [2024-11-14 04:00:05,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 679 states have (on average 1.2164948453608246) internal successors, (826), 680 states have internal predecessors, (826), 134 states have call successors, (134), 118 states have call predecessors, (134), 117 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2024-11-14 04:00:05,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1093 transitions. [2024-11-14 04:00:05,763 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1093 transitions. Word has length 103 [2024-11-14 04:00:05,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:00:05,763 INFO L471 AbstractCegarLoop]: Abstraction has 931 states and 1093 transitions. [2024-11-14 04:00:05,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.083333333333334) internal successors, (157), 12 states have internal predecessors, (157), 9 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (41), 10 states have call predecessors, (41), 9 states have call successors, (41) [2024-11-14 04:00:05,764 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1093 transitions. [2024-11-14 04:00:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-14 04:00:05,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:05,766 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:00:05,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 04:00:05,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:00:05,967 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:05,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:05,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1551223522, now seen corresponding path program 1 times [2024-11-14 04:00:05,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:00:05,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545998434] [2024-11-14 04:00:05,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:05,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:00:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-14 04:00:06,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:00:06,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545998434] [2024-11-14 04:00:06,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545998434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:00:06,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:00:06,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:00:06,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714446932] [2024-11-14 04:00:06,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:00:06,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:00:06,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:00:06,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:00:06,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:00:06,053 INFO L87 Difference]: Start difference. First operand 931 states and 1093 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-14 04:00:06,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:00:06,225 INFO L93 Difference]: Finished difference Result 1451 states and 1704 transitions. [2024-11-14 04:00:06,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:00:06,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 107 [2024-11-14 04:00:06,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:00:06,231 INFO L225 Difference]: With dead ends: 1451 [2024-11-14 04:00:06,231 INFO L226 Difference]: Without dead ends: 672 [2024-11-14 04:00:06,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:00:06,233 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 65 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:00:06,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 179 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:00:06,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-11-14 04:00:06,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 663. [2024-11-14 04:00:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 487 states have (on average 1.1868583162217659) internal successors, (578), 488 states have internal predecessors, (578), 94 states have call successors, (94), 82 states have call predecessors, (94), 81 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-14 04:00:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 765 transitions. [2024-11-14 04:00:06,356 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 765 transitions. Word has length 107 [2024-11-14 04:00:06,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:00:06,357 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 765 transitions. [2024-11-14 04:00:06,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-14 04:00:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 765 transitions. [2024-11-14 04:00:06,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-14 04:00:06,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:06,360 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:00:06,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 04:00:06,360 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:06,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:06,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1978726350, now seen corresponding path program 1 times [2024-11-14 04:00:06,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:00:06,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540253063] [2024-11-14 04:00:06,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:06,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:00:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 04:00:06,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:00:06,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540253063] [2024-11-14 04:00:06,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540253063] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:00:06,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498079741] [2024-11-14 04:00:06,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:06,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:00:06,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:00:06,586 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:00:06,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:00:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:06,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:00:06,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:00:06,831 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 04:00:06,831 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:00:06,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498079741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:00:06,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:00:06,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-14 04:00:06,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224698023] [2024-11-14 04:00:06,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:00:06,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:00:06,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:00:06,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:00:06,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-14 04:00:06,834 INFO L87 Difference]: Start difference. First operand 663 states and 765 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-14 04:00:07,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:00:07,125 INFO L93 Difference]: Finished difference Result 1193 states and 1385 transitions. [2024-11-14 04:00:07,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:00:07,125 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 111 [2024-11-14 04:00:07,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:00:07,134 INFO L225 Difference]: With dead ends: 1193 [2024-11-14 04:00:07,135 INFO L226 Difference]: Without dead ends: 618 [2024-11-14 04:00:07,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-14 04:00:07,138 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 45 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:00:07,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 441 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:00:07,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-14 04:00:07,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 558. [2024-11-14 04:00:07,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 412 states have (on average 1.1820388349514563) internal successors, (487), 413 states have internal predecessors, (487), 78 states have call successors, (78), 68 states have call predecessors, (78), 67 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-14 04:00:07,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 642 transitions. [2024-11-14 04:00:07,257 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 642 transitions. Word has length 111 [2024-11-14 04:00:07,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:00:07,257 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 642 transitions. [2024-11-14 04:00:07,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-14 04:00:07,258 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 642 transitions. [2024-11-14 04:00:07,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-14 04:00:07,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:07,261 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:00:07,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 04:00:07,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-14 04:00:07,463 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:07,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:07,464 INFO L85 PathProgramCache]: Analyzing trace with hash 181482471, now seen corresponding path program 1 times [2024-11-14 04:00:07,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:00:07,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583911343] [2024-11-14 04:00:07,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:07,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:00:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:07,633 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-14 04:00:07,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:00:07,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583911343] [2024-11-14 04:00:07,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583911343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:00:07,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:00:07,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:00:07,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758827520] [2024-11-14 04:00:07,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:00:07,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:00:07,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:00:07,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:00:07,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:00:07,637 INFO L87 Difference]: Start difference. First operand 558 states and 642 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 04:00:07,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:00:07,926 INFO L93 Difference]: Finished difference Result 1317 states and 1516 transitions. [2024-11-14 04:00:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:00:07,927 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 112 [2024-11-14 04:00:07,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:00:07,933 INFO L225 Difference]: With dead ends: 1317 [2024-11-14 04:00:07,933 INFO L226 Difference]: Without dead ends: 850 [2024-11-14 04:00:07,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:00:07,936 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 52 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:00:07,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 481 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:00:07,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-14 04:00:08,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 816. [2024-11-14 04:00:08,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 574 states have (on average 1.1724738675958188) internal successors, (673), 581 states have internal predecessors, (673), 126 states have call successors, (126), 110 states have call predecessors, (126), 115 states have return successors, (137), 125 states have call predecessors, (137), 125 states have call successors, (137) [2024-11-14 04:00:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 936 transitions. [2024-11-14 04:00:08,102 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 936 transitions. Word has length 112 [2024-11-14 04:00:08,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:00:08,103 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 936 transitions. [2024-11-14 04:00:08,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 04:00:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 936 transitions. [2024-11-14 04:00:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-14 04:00:08,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:08,107 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:00:08,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 04:00:08,107 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:08,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:08,107 INFO L85 PathProgramCache]: Analyzing trace with hash -775445912, now seen corresponding path program 1 times [2024-11-14 04:00:08,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:00:08,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265535217] [2024-11-14 04:00:08,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:08,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:00:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:08,186 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 04:00:08,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:00:08,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265535217] [2024-11-14 04:00:08,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265535217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:00:08,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:00:08,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:00:08,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320326349] [2024-11-14 04:00:08,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:00:08,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:00:08,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:00:08,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:00:08,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:00:08,188 INFO L87 Difference]: Start difference. First operand 816 states and 936 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-14 04:00:08,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:00:08,503 INFO L93 Difference]: Finished difference Result 1540 states and 1794 transitions. [2024-11-14 04:00:08,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:00:08,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 112 [2024-11-14 04:00:08,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:00:08,510 INFO L225 Difference]: With dead ends: 1540 [2024-11-14 04:00:08,511 INFO L226 Difference]: Without dead ends: 815 [2024-11-14 04:00:08,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:00:08,515 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 112 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:00:08,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 179 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:00:08,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-14 04:00:08,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 808. [2024-11-14 04:00:08,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 566 states have (on average 1.1413427561837455) internal successors, (646), 573 states have internal predecessors, (646), 126 states have call successors, (126), 110 states have call predecessors, (126), 115 states have return successors, (137), 125 states have call predecessors, (137), 125 states have call successors, (137) [2024-11-14 04:00:08,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 909 transitions. [2024-11-14 04:00:08,666 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 909 transitions. Word has length 112 [2024-11-14 04:00:08,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:00:08,667 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 909 transitions. [2024-11-14 04:00:08,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-14 04:00:08,669 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 909 transitions. [2024-11-14 04:00:08,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-14 04:00:08,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:08,673 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:00:08,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 04:00:08,673 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:08,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:08,674 INFO L85 PathProgramCache]: Analyzing trace with hash 210307751, now seen corresponding path program 1 times [2024-11-14 04:00:08,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:00:08,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395555281] [2024-11-14 04:00:08,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:08,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:00:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 04:00:09,817 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:00:09,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395555281] [2024-11-14 04:00:09,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395555281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:00:09,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694970052] [2024-11-14 04:00:09,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:09,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:00:09,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:00:09,820 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:00:09,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 04:00:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:09,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-14 04:00:09,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:00:10,549 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-14 04:00:10,549 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:00:10,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694970052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:00:10,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:00:10,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [21] total 29 [2024-11-14 04:00:10,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091999982] [2024-11-14 04:00:10,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:00:10,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 04:00:10,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:00:10,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 04:00:10,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=698, Unknown=0, NotChecked=0, Total=812 [2024-11-14 04:00:10,553 INFO L87 Difference]: Start difference. First operand 808 states and 909 transitions. Second operand has 12 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (15), 6 states have call predecessors, (15), 7 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-14 04:00:11,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:00:11,426 INFO L93 Difference]: Finished difference Result 1866 states and 2110 transitions. [2024-11-14 04:00:11,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-14 04:00:11,427 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (15), 6 states have call predecessors, (15), 7 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 113 [2024-11-14 04:00:11,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:00:11,438 INFO L225 Difference]: With dead ends: 1866 [2024-11-14 04:00:11,438 INFO L226 Difference]: Without dead ends: 1151 [2024-11-14 04:00:11,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=208, Invalid=982, Unknown=0, NotChecked=0, Total=1190 [2024-11-14 04:00:11,442 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 180 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:00:11,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 464 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 04:00:11,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2024-11-14 04:00:11,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1061. [2024-11-14 04:00:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 745 states have (on average 1.138255033557047) internal successors, (848), 754 states have internal predecessors, (848), 164 states have call successors, (164), 144 states have call predecessors, (164), 151 states have return successors, (179), 163 states have call predecessors, (179), 163 states have call successors, (179) [2024-11-14 04:00:11,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1191 transitions. [2024-11-14 04:00:11,669 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1191 transitions. Word has length 113 [2024-11-14 04:00:11,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:00:11,669 INFO L471 AbstractCegarLoop]: Abstraction has 1061 states and 1191 transitions. [2024-11-14 04:00:11,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (15), 6 states have call predecessors, (15), 7 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-14 04:00:11,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1191 transitions. [2024-11-14 04:00:11,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-14 04:00:11,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:11,672 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:00:11,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 04:00:11,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-14 04:00:11,876 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:11,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:11,877 INFO L85 PathProgramCache]: Analyzing trace with hash 647685617, now seen corresponding path program 1 times [2024-11-14 04:00:11,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:00:11,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820690628] [2024-11-14 04:00:11,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:11,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:00:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:12,305 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-14 04:00:12,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:00:12,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820690628] [2024-11-14 04:00:12,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820690628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:00:12,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172019312] [2024-11-14 04:00:12,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:12,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:00:12,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:00:12,309 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:00:12,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 04:00:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:12,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 04:00:12,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:00:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-14 04:00:12,563 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:00:12,830 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-14 04:00:12,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172019312] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 04:00:12,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:00:12,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14, 8] total 20 [2024-11-14 04:00:12,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758637892] [2024-11-14 04:00:12,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:00:12,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:00:12,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:00:12,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:00:12,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2024-11-14 04:00:12,833 INFO L87 Difference]: Start difference. First operand 1061 states and 1191 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-14 04:00:13,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:00:13,570 INFO L93 Difference]: Finished difference Result 2307 states and 2635 transitions. [2024-11-14 04:00:13,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 04:00:13,571 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 114 [2024-11-14 04:00:13,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:00:13,581 INFO L225 Difference]: With dead ends: 2307 [2024-11-14 04:00:13,582 INFO L226 Difference]: Without dead ends: 1339 [2024-11-14 04:00:13,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2024-11-14 04:00:13,585 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 138 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:00:13,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 322 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 04:00:13,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-11-14 04:00:13,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1067. [2024-11-14 04:00:13,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 726 states have (on average 1.1308539944903582) internal successors, (821), 740 states have internal predecessors, (821), 176 states have call successors, (176), 146 states have call predecessors, (176), 164 states have return successors, (216), 181 states have call predecessors, (216), 175 states have call successors, (216) [2024-11-14 04:00:13,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1213 transitions. [2024-11-14 04:00:13,845 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1213 transitions. Word has length 114 [2024-11-14 04:00:13,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:00:13,845 INFO L471 AbstractCegarLoop]: Abstraction has 1067 states and 1213 transitions. [2024-11-14 04:00:13,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-14 04:00:13,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1213 transitions. [2024-11-14 04:00:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-14 04:00:13,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:13,849 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:00:13,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 04:00:14,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:00:14,053 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:14,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:14,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1234843828, now seen corresponding path program 1 times [2024-11-14 04:00:14,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:00:14,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866720794] [2024-11-14 04:00:14,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:14,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:00:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 25 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-14 04:00:15,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:00:15,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866720794] [2024-11-14 04:00:15,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866720794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:00:15,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560423384] [2024-11-14 04:00:15,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:15,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:00:15,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:00:15,127 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:00:15,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 04:00:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:15,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-14 04:00:15,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:00:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-14 04:00:16,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:00:18,053 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 13 proven. 38 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-14 04:00:18,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560423384] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:00:18,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1905292925] [2024-11-14 04:00:18,058 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2024-11-14 04:00:18,065 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:00:18,066 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:00:18,066 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:00:18,070 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:00:26,651 INFO L197 IcfgInterpreter]: Interpreting procedure error with input of size 46 for LOIs [2024-11-14 04:00:26,664 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events with input of size 119 for LOIs [2024-11-14 04:00:26,730 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events with input of size 77 for LOIs [2024-11-14 04:00:26,750 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels with input of size 9 for LOIs [2024-11-14 04:00:26,756 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread with input of size 1 for LOIs [2024-11-14 04:00:26,758 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads with input of size 83 for LOIs [2024-11-14 04:00:26,935 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_write_p_triggered with input of size 84 for LOIs [2024-11-14 04:00:27,069 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_read_c_triggered with input of size 23 for LOIs [2024-11-14 04:00:27,108 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:00:36,781 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '40712#(and (= ~q_req_up~0 1) (= ~q_free~0 1) (= ~c_dr_pc~0 1) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~c_last_read~0 ~q_buf_0~0) (exists ((v_~q_free~0_60 Int)) (and (<= 0 ~p_dw_st~0) (<= ~p_dw_st~0 2) (or (and (= ~p_dw_pc~0 1) (= v_~q_free~0_60 0) (= 2 ~p_dw_st~0)) (exists ((|v_ULTIMATE.start_eval_~tmp___0~2#1_39| Int)) (and (not (= |v_ULTIMATE.start_eval_~tmp___0~2#1_39| 0)) (<= 0 (+ 2147483648 |v_ULTIMATE.start_eval_~tmp___0~2#1_39|)) (<= |v_ULTIMATE.start_eval_~tmp___0~2#1_39| 2147483647)))) (= ~c_dr_st~0 1))) (= ~c_last_read~0 ~p_last_write~0))' at error location [2024-11-14 04:00:36,782 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:00:36,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:00:36,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 16] total 48 [2024-11-14 04:00:36,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793214849] [2024-11-14 04:00:36,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:00:36,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-14 04:00:36,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:00:36,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-14 04:00:36,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=757, Invalid=8363, Unknown=0, NotChecked=0, Total=9120 [2024-11-14 04:00:36,788 INFO L87 Difference]: Start difference. First operand 1067 states and 1213 transitions. Second operand has 48 states, 32 states have (on average 6.3125) internal successors, (202), 34 states have internal predecessors, (202), 23 states have call successors, (46), 18 states have call predecessors, (46), 21 states have return successors, (48), 23 states have call predecessors, (48), 23 states have call successors, (48) [2024-11-14 04:00:47,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:00:47,314 INFO L93 Difference]: Finished difference Result 3673 states and 4264 transitions. [2024-11-14 04:00:47,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-11-14 04:00:47,314 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 32 states have (on average 6.3125) internal successors, (202), 34 states have internal predecessors, (202), 23 states have call successors, (46), 18 states have call predecessors, (46), 21 states have return successors, (48), 23 states have call predecessors, (48), 23 states have call successors, (48) Word has length 123 [2024-11-14 04:00:47,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:00:47,334 INFO L225 Difference]: With dead ends: 3673 [2024-11-14 04:00:47,334 INFO L226 Difference]: Without dead ends: 2799 [2024-11-14 04:00:47,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 314 SyntacticMatches, 16 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 22592 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=6316, Invalid=47276, Unknown=0, NotChecked=0, Total=53592 [2024-11-14 04:00:47,352 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 2905 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 2852 mSolverCounterSat, 1747 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2905 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 4599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1747 IncrementalHoareTripleChecker+Valid, 2852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:00:47,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2905 Valid, 1513 Invalid, 4599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1747 Valid, 2852 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-14 04:00:47,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2799 states. [2024-11-14 04:00:47,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2799 to 1467. [2024-11-14 04:00:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 1015 states have (on average 1.1359605911330048) internal successors, (1153), 1031 states have internal predecessors, (1153), 230 states have call successors, (230), 191 states have call predecessors, (230), 221 states have return successors, (284), 245 states have call predecessors, (284), 229 states have call successors, (284) [2024-11-14 04:00:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 1667 transitions. [2024-11-14 04:00:47,874 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 1667 transitions. Word has length 123 [2024-11-14 04:00:47,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:00:47,875 INFO L471 AbstractCegarLoop]: Abstraction has 1467 states and 1667 transitions. [2024-11-14 04:00:47,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 32 states have (on average 6.3125) internal successors, (202), 34 states have internal predecessors, (202), 23 states have call successors, (46), 18 states have call predecessors, (46), 21 states have return successors, (48), 23 states have call predecessors, (48), 23 states have call successors, (48) [2024-11-14 04:00:47,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1667 transitions. [2024-11-14 04:00:47,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 04:00:47,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:47,881 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:00:47,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 04:00:48,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:00:48,082 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:48,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:48,083 INFO L85 PathProgramCache]: Analyzing trace with hash 16273509, now seen corresponding path program 1 times [2024-11-14 04:00:48,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:00:48,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796006975] [2024-11-14 04:00:48,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:48,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:00:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:48,316 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-14 04:00:48,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:00:48,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796006975] [2024-11-14 04:00:48,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796006975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:00:48,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663687781] [2024-11-14 04:00:48,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:48,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:00:48,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:00:48,320 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:00:48,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 04:00:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:48,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-14 04:00:48,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:00:48,603 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 50 proven. 17 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-14 04:00:48,603 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:00:48,864 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-14 04:00:48,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663687781] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 04:00:48,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:00:48,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 10] total 17 [2024-11-14 04:00:48,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066759473] [2024-11-14 04:00:48,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:00:48,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 04:00:48,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:00:48,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 04:00:48,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-14 04:00:48,867 INFO L87 Difference]: Start difference. First operand 1467 states and 1667 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-14 04:00:49,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:00:49,442 INFO L93 Difference]: Finished difference Result 2200 states and 2498 transitions. [2024-11-14 04:00:49,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 04:00:49,443 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 124 [2024-11-14 04:00:49,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:00:49,458 INFO L225 Difference]: With dead ends: 2200 [2024-11-14 04:00:49,463 INFO L226 Difference]: Without dead ends: 952 [2024-11-14 04:00:49,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2024-11-14 04:00:49,471 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 115 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:00:49,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 338 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 04:00:49,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2024-11-14 04:00:49,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 676. [2024-11-14 04:00:49,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 459 states have (on average 1.10239651416122) internal successors, (506), 472 states have internal predecessors, (506), 109 states have call successors, (109), 91 states have call predecessors, (109), 107 states have return successors, (136), 113 states have call predecessors, (136), 108 states have call successors, (136) [2024-11-14 04:00:49,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 751 transitions. [2024-11-14 04:00:49,773 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 751 transitions. Word has length 124 [2024-11-14 04:00:49,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:00:49,776 INFO L471 AbstractCegarLoop]: Abstraction has 676 states and 751 transitions. [2024-11-14 04:00:49,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-14 04:00:49,777 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 751 transitions. [2024-11-14 04:00:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-14 04:00:49,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:49,781 INFO L215 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:00:49,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-14 04:00:49,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-14 04:00:49,986 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:49,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:49,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1351116406, now seen corresponding path program 1 times [2024-11-14 04:00:49,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:00:49,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995085702] [2024-11-14 04:00:49,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:49,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:00:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 25 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-14 04:00:50,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:00:50,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995085702] [2024-11-14 04:00:50,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995085702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:00:50,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070699358] [2024-11-14 04:00:50,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:50,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:00:50,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:00:50,603 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:00:50,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 04:00:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:50,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-14 04:00:50,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:00:51,815 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 88 proven. 122 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:00:51,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:00:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 82 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-14 04:00:53,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070699358] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:00:53,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1220618755] [2024-11-14 04:00:53,289 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-14 04:00:53,289 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:00:53,290 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:00:53,290 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:00:53,290 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:00:59,961 INFO L197 IcfgInterpreter]: Interpreting procedure error with input of size 19 for LOIs [2024-11-14 04:00:59,963 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events with input of size 109 for LOIs [2024-11-14 04:01:00,001 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events with input of size 69 for LOIs [2024-11-14 04:01:00,019 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels with input of size 80 for LOIs [2024-11-14 04:01:00,061 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread with input of size 1 for LOIs [2024-11-14 04:01:00,063 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads with input of size 75 for LOIs [2024-11-14 04:01:00,157 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_write_p_triggered with input of size 69 for LOIs [2024-11-14 04:01:00,187 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_read_c_triggered with input of size 16 for LOIs [2024-11-14 04:01:00,209 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:01:05,171 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '54967#(and (= ~q_req_up~0 1) (= ~q_free~0 1) (= ~c_dr_pc~0 1) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~c_last_read~0 ~q_buf_0~0) (= ~c_last_read~0 ~p_last_write~0) (= ~c_dr_st~0 1))' at error location [2024-11-14 04:01:05,171 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:01:05,171 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:01:05,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 16] total 39 [2024-11-14 04:01:05,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112633366] [2024-11-14 04:01:05,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:01:05,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-14 04:01:05,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:01:05,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-14 04:01:05,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=6430, Unknown=0, NotChecked=0, Total=6972 [2024-11-14 04:01:05,175 INFO L87 Difference]: Start difference. First operand 676 states and 751 transitions. Second operand has 39 states, 29 states have (on average 8.862068965517242) internal successors, (257), 30 states have internal predecessors, (257), 19 states have call successors, (60), 15 states have call predecessors, (60), 21 states have return successors, (64), 21 states have call predecessors, (64), 19 states have call successors, (64) [2024-11-14 04:01:10,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:01:10,039 INFO L93 Difference]: Finished difference Result 1628 states and 1842 transitions. [2024-11-14 04:01:10,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-14 04:01:10,040 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 29 states have (on average 8.862068965517242) internal successors, (257), 30 states have internal predecessors, (257), 19 states have call successors, (60), 15 states have call predecessors, (60), 21 states have return successors, (64), 21 states have call predecessors, (64), 19 states have call successors, (64) Word has length 176 [2024-11-14 04:01:10,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:01:10,043 INFO L225 Difference]: With dead ends: 1628 [2024-11-14 04:01:10,043 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:01:10,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 475 SyntacticMatches, 19 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7016 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=2186, Invalid=19570, Unknown=0, NotChecked=0, Total=21756 [2024-11-14 04:01:10,049 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 2300 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 1848 mSolverCounterSat, 1441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2301 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 3289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1441 IncrementalHoareTripleChecker+Valid, 1848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:01:10,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2301 Valid, 917 Invalid, 3289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1441 Valid, 1848 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-14 04:01:10,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:01:10,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:01:10,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-14 04:01:10,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:01:10,053 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2024-11-14 04:01:10,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:01:10,053 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:01:10,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 29 states have (on average 8.862068965517242) internal successors, (257), 30 states have internal predecessors, (257), 19 states have call successors, (60), 15 states have call predecessors, (60), 21 states have return successors, (64), 21 states have call predecessors, (64), 19 states have call successors, (64) [2024-11-14 04:01:10,054 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:01:10,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:01:10,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:01:10,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-14 04:01:10,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-14 04:01:10,260 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:01:10,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 04:02:21,701 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:02:21,730 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:21,736 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,740 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,740 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:21,742 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,742 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,742 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,742 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,742 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,743 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,743 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,746 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,746 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,747 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,747 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,747 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,747 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:21,747 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:21,747 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:21,747 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:21,747 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:21,748 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:21,750 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,750 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,750 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:21,750 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,751 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,751 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,751 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,751 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,751 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,756 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,756 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,760 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,760 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:21,760 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:21,760 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:21,760 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:21,760 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:21,760 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:21,763 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:21,763 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:21,763 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:21,767 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,769 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,770 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:21,770 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,770 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,770 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,770 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,771 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,771 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,771 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,771 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,771 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,771 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,771 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,772 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,773 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:21,773 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:21,773 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:21,775 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:21,779 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,779 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,779 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:21,780 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,780 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,780 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,780 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,780 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,780 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,780 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,780 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,780 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,781 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,781 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,781 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,781 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:21,781 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:21,781 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:21,782 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:21,786 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:21,786 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:21,789 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:21,789 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,790 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,792 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:21,792 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,793 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,793 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,794 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,794 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,794 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,794 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,794 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,794 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,795 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,795 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,795 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,795 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:21,795 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:21,795 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:21,795 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:21,796 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:21,796 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:21,825 WARN L162 FloydHoareUtils]: Requires clause for activate_threads contained old-variable. Original clause: (and (= |old(~p_dw_st~0)| ~p_dw_st~0) (let ((.cse2 (= ~q_free~0 1)) (.cse0 (= ~p_last_write~0 ~q_buf_0~0)) (.cse1 (not (= ~q_write_ev~0 0))) (.cse3 (= 1 ~c_dr_i~0)) (.cse4 (not (= ~q_read_ev~0 0))) (.cse5 (= ~c_dr_pc~0 1)) (.cse6 (= ~p_dw_pc~0 1)) (.cse7 (= ~p_dw_i~0 1)) (.cse8 (= |old(~p_dw_st~0)| 0))) (or (and (= ~c_num_read~0 ~p_num_write~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= ~q_write_ev~0 1))) (let ((.cse9 (select |#memory_int| 1))) (and (= ~p_dw_pc~0 0) (= ~p_num_write~0 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~c_num_read~0 0) .cse0 .cse8 .cse2 (= ~c_last_read~0 0) .cse3 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= ~q_req_up~0 0) (= ~q_ev~0 0) (= ~q_write_ev~0 2) (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~q_read_ev~0 2) (= ~c_dr_pc~0 0) .cse7 (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= ~c_last_read~0 ~p_last_write~0) (= ~a_t~0 0) (= (select .cse9 0) 48) (= |old(~c_dr_st~0)| 0) (= (select .cse9 1) 0))) (and (not (= ~q_read_ev~0 1)) .cse0 (= (+ ~c_num_read~0 1) ~p_num_write~0) .cse1 .cse3 (= ~q_free~0 0) .cse4 .cse5 .cse6 .cse7 (not .cse8)))) (= ~c_dr_st~0 |old(~c_dr_st~0)|)) Eliminated clause: (let ((.cse1 (= ~p_last_write~0 ~q_buf_0~0)) (.cse2 (not (= ~q_write_ev~0 0))) (.cse4 (not (= ~q_read_ev~0 0))) (.cse5 (= ~c_dr_pc~0 1)) (.cse6 (= ~p_dw_pc~0 1)) (.cse8 (= ~q_free~0 1)) (.cse3 (= 1 ~c_dr_i~0)) (.cse0 (= ~p_dw_st~0 0)) (.cse7 (= ~p_dw_i~0 1))) (or (and (not .cse0) (not (= ~q_read_ev~0 1)) .cse1 (= (+ ~c_num_read~0 1) ~p_num_write~0) .cse2 .cse3 (= ~q_free~0 0) .cse4 .cse5 .cse6 .cse7) (and (= ~c_num_read~0 ~p_num_write~0) .cse1 .cse2 .cse8 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= ~q_write_ev~0 1))) (let ((.cse9 (select |#memory_int| 1))) (and (= ~p_dw_pc~0 0) (= ~c_dr_st~0 0) (= ~p_num_write~0 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~c_num_read~0 0) (= ~q_buf_0~0 0) (= ~p_last_write~0 0) .cse8 (= ~c_last_read~0 0) .cse3 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= ~q_req_up~0 0) (= ~q_ev~0 0) (= ~q_write_ev~0 2) .cse0 (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~q_read_ev~0 2) (= ~c_dr_pc~0 0) .cse7 (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= ~a_t~0 0) (= (select .cse9 0) 48) (= (select .cse9 1) 0))))) [2024-11-14 04:02:21,850 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,850 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,850 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:21,850 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,850 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,850 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,851 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,851 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,851 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,851 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,851 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,851 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,851 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,851 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,851 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,851 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:21,851 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:21,851 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:21,851 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:21,852 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:21,852 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:21,853 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,853 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,853 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:21,853 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,853 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,853 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,854 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,854 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,854 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,854 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:21,854 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:21,854 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,854 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,855 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:21,855 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:21,855 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:21,855 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:21,855 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:21,855 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:21,855 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:21,855 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,012 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:22,012 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,012 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,013 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:22,013 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,013 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,013 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,013 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,013 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,013 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,014 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,014 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,014 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,014 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,014 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,014 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,014 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,014 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,014 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,014 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,014 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,014 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,015 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:22,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:22,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,102 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,102 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,102 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:22,103 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,103 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,103 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,103 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,103 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,103 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,103 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,103 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,104 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,104 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,104 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,104 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,104 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,104 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,104 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,104 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,105 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,105 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,105 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,105 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,105 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:22,106 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,106 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,106 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,106 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,106 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,106 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,106 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,106 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,106 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,106 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,106 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,106 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,107 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,107 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,107 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,107 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,107 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,107 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,152 WARN L162 FloydHoareUtils]: Requires clause for fire_delta_events contained old-variable. Original clause: (and (let ((.cse4 (= ~p_dw_st~0 0)) (.cse1 (= ~p_last_write~0 ~q_buf_0~0)) (.cse2 (= ~q_free~0 1)) (.cse0 (= ~c_dr_st~0 0)) (.cse3 (= 1 ~c_dr_i~0)) (.cse7 (= ~c_dr_pc~0 1)) (.cse8 (= ~p_dw_pc~0 1)) (.cse9 (not (= |old(~q_read_ev~0)| 1))) (.cse5 (= ~p_dw_i~0 1))) (or (let ((.cse6 (select |#memory_int| 1))) (and (= ~p_dw_pc~0 0) .cse0 (= ~p_num_write~0 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~c_num_read~0 0) .cse1 .cse2 (= ~c_last_read~0 0) .cse3 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= ~q_req_up~0 0) (= 2 |old(~q_write_ev~0)|) (= ~q_ev~0 0) .cse4 (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~c_dr_pc~0 0) (= |old(~q_read_ev~0)| 2) .cse5 (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= ~c_last_read~0 ~p_last_write~0) (= ~a_t~0 0) (= (select .cse6 0) 48) (= (select .cse6 1) 0))) (and (not .cse4) .cse1 (= (+ ~c_num_read~0 1) ~p_num_write~0) (not (= |old(~q_read_ev~0)| 0)) .cse3 (= ~q_free~0 0) .cse7 .cse8 .cse9 .cse5) (and (= ~c_num_read~0 ~p_num_write~0) .cse1 .cse2 (not .cse0) .cse3 .cse7 (not (= |old(~q_write_ev~0)| 0)) (not (= |old(~q_write_ev~0)| 1)) .cse8 .cse9 .cse5))) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0)) Eliminated clause: (let ((.cse1 (= ~q_free~0 1)) (.cse0 (= ~c_dr_st~0 0)) (.cse3 (= ~p_dw_st~0 0)) (.cse6 (not (= ~q_read_ev~0 1))) (.cse7 (= ~p_last_write~0 ~q_buf_0~0)) (.cse2 (= 1 ~c_dr_i~0)) (.cse8 (= ~c_dr_pc~0 1)) (.cse9 (= ~p_dw_pc~0 1)) (.cse4 (= ~p_dw_i~0 1))) (or (let ((.cse5 (select |#memory_int| 1))) (and (= ~p_dw_pc~0 0) .cse0 (= ~p_num_write~0 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~c_num_read~0 0) (= ~q_buf_0~0 0) (= ~p_last_write~0 0) .cse1 (= ~c_last_read~0 0) .cse2 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= ~q_req_up~0 0) (= ~q_ev~0 0) (= ~q_write_ev~0 2) .cse3 (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~q_read_ev~0 2) (= ~c_dr_pc~0 0) .cse4 (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= ~a_t~0 0) (= (select .cse5 0) 48) (= (select .cse5 1) 0))) (and .cse6 (= ~c_num_read~0 ~p_num_write~0) .cse7 (not (= ~q_write_ev~0 0)) .cse1 (not .cse0) .cse2 .cse8 .cse9 .cse4 (not (= ~q_write_ev~0 1))) (and (not .cse3) .cse6 .cse7 (= (+ ~c_num_read~0 1) ~p_num_write~0) .cse2 (= ~q_free~0 0) (not (= ~q_read_ev~0 0)) .cse8 .cse9 .cse4))) [2024-11-14 04:02:22,195 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,195 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,196 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:22,196 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,196 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,196 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,196 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,199 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,199 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,199 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,199 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,199 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,199 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,199 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,200 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,200 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,200 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,200 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,200 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,200 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,200 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,201 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,201 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,201 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:22,201 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,201 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,201 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,201 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,201 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,201 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,201 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,201 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,202 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,202 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,202 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,204 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,204 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,205 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,205 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,205 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,205 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,205 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,238 WARN L162 FloydHoareUtils]: Requires clause for update_channels contained old-variable. Original clause: (let ((.cse0 (= ~p_dw_st~0 0)) (.cse2 (= ~p_dw_pc~0 1)) (.cse1 (select |#memory_int| 1))) (and (or (and (= ~q_req_up~0 0) (= ~q_ev~0 0) (= ~q_write_ev~0 2) .cse0 (= ~q_read_ev~0 2) (= ~a_t~0 0) (= (select .cse1 0) 48)) .cse2) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (let ((.cse4 (not (= |old(~q_read_ev~0)| 0))) (.cse6 (= ~c_dr_pc~0 1)) (.cse7 (not (= |old(~q_write_ev~0)| 0))) (.cse8 (not (= |old(~q_write_ev~0)| 1))) (.cse9 (not (= |old(~q_read_ev~0)| 1))) (.cse12 (= ~c_dr_st~0 0)) (.cse3 (= ~p_last_write~0 ~q_buf_0~0)) (.cse11 (= ~q_free~0 1)) (.cse5 (= 1 ~c_dr_i~0)) (.cse10 (= ~p_dw_i~0 1))) (or (and (not .cse0) .cse3 (= (+ ~c_num_read~0 1) ~p_num_write~0) .cse4 .cse5 (= ~q_free~0 0) .cse6 .cse7 .cse8 .cse9 .cse10) (and (= ~c_num_read~0 ~p_num_write~0) .cse3 .cse4 .cse11 (not .cse12) .cse5 .cse6 .cse7 .cse8 .cse2 .cse9 .cse10) (and (= ~p_dw_pc~0 0) .cse12 (= ~p_num_write~0 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~c_num_read~0 0) .cse3 .cse11 (= ~c_last_read~0 0) .cse5 (= 2 (select |#length| 1)) (= |old(~q_ev~0)| 0) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~c_dr_pc~0 0) .cse10 (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= ~c_last_read~0 ~p_last_write~0) (= (select .cse1 1) 0)))))) Eliminated clause: (let ((.cse0 (= ~p_dw_st~0 0)) (.cse1 (select |#memory_int| 1)) (.cse2 (= ~p_dw_pc~0 1))) (and (or (and (= ~q_req_up~0 0) (= ~q_ev~0 0) (= ~q_write_ev~0 2) .cse0 (= ~q_read_ev~0 2) (= ~a_t~0 0) (= (select .cse1 0) 48)) .cse2) (let ((.cse3 (not (= ~q_read_ev~0 1))) (.cse4 (= ~p_last_write~0 ~q_buf_0~0)) (.cse5 (not (= ~q_write_ev~0 0))) (.cse12 (= ~q_free~0 1)) (.cse11 (= ~c_dr_st~0 0)) (.cse6 (= 1 ~c_dr_i~0)) (.cse7 (not (= ~q_read_ev~0 0))) (.cse8 (= ~c_dr_pc~0 1)) (.cse9 (= ~p_dw_i~0 1)) (.cse10 (not (= ~q_write_ev~0 1)))) (or (and (not .cse0) .cse3 .cse4 (= (+ ~c_num_read~0 1) ~p_num_write~0) .cse5 .cse6 (= ~q_free~0 0) .cse7 .cse8 .cse9 .cse10) (and (= ~p_dw_pc~0 0) .cse11 (= ~p_num_write~0 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~c_num_read~0 0) (= ~q_buf_0~0 0) (= ~p_last_write~0 0) .cse12 (= ~c_last_read~0 0) .cse6 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~c_dr_pc~0 0) .cse9 (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse1 1) 0)) (and .cse3 (= ~c_num_read~0 ~p_num_write~0) .cse4 .cse5 .cse12 (not .cse11) .cse6 .cse7 .cse8 .cse2 .cse9 .cse10))))) [2024-11-14 04:02:22,334 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:22,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,342 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:22,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,348 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,348 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,348 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,348 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,348 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,348 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,348 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,389 WARN L162 FloydHoareUtils]: Requires clause for reset_delta_events contained old-variable. Original clause: (and (let ((.cse14 (= ~c_dr_st~0 0))) (let ((.cse0 (= ~p_dw_st~0 0)) (.cse9 (= ~c_num_read~0 ~p_num_write~0)) (.cse1 (= ~p_last_write~0 ~q_buf_0~0)) (.cse2 (not (= |old(~q_read_ev~0)| 0))) (.cse10 (= ~q_free~0 1)) (.cse11 (not .cse14)) (.cse3 (= 1 ~c_dr_i~0)) (.cse12 (<= 1 ~p_dw_pc~0)) (.cse4 (= ~c_dr_pc~0 1)) (.cse5 (not (= |old(~q_write_ev~0)| 0))) (.cse13 (not (= |old(~q_write_ev~0)| 1))) (.cse6 (= ~p_dw_pc~0 1)) (.cse7 (not (= |old(~q_read_ev~0)| 1))) (.cse8 (= ~p_dw_i~0 1))) (or (and (not .cse0) .cse1 (= (+ ~c_num_read~0 1) ~p_num_write~0) .cse2 .cse3 (= ~q_free~0 0) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse2 .cse10 .cse11 .cse3 .cse12 .cse4 .cse5 .cse13 .cse6 .cse0 .cse8) (let ((.cse15 (select |#memory_int| 1))) (and (= ~p_dw_pc~0 0) .cse14 (= ~p_num_write~0 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~c_num_read~0 0) .cse1 .cse10 (= ~c_last_read~0 0) .cse3 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= ~q_req_up~0 0) (= 2 |old(~q_write_ev~0)|) (= ~q_ev~0 0) .cse0 (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~c_dr_pc~0 0) (= |old(~q_read_ev~0)| 2) .cse8 (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= ~c_last_read~0 ~p_last_write~0) (= ~a_t~0 0) (= (select .cse15 0) 48) (= (select .cse15 1) 0))) (and .cse9 .cse1 .cse2 .cse10 .cse11 .cse3 .cse12 .cse4 .cse5 .cse13 .cse6 .cse7 .cse8)))) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0)) Eliminated clause: (let ((.cse13 (= ~c_dr_st~0 0))) (let ((.cse9 (= ~p_dw_st~0 0)) (.cse12 (not (= ~q_read_ev~0 1))) (.cse0 (= ~c_num_read~0 ~p_num_write~0)) (.cse1 (= ~p_last_write~0 ~q_buf_0~0)) (.cse2 (not (= ~q_write_ev~0 0))) (.cse3 (= ~q_free~0 1)) (.cse4 (not .cse13)) (.cse5 (= 1 ~c_dr_i~0)) (.cse6 (not (= ~q_read_ev~0 0))) (.cse7 (= ~c_dr_pc~0 1)) (.cse8 (= ~p_dw_pc~0 1)) (.cse10 (= ~p_dw_i~0 1)) (.cse11 (not (= ~q_write_ev~0 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and (not .cse9) .cse12 .cse1 (= (+ ~c_num_read~0 1) ~p_num_write~0) .cse2 .cse5 (= ~q_free~0 0) .cse6 .cse7 .cse8 .cse10) (let ((.cse14 (select |#memory_int| 1))) (and (= ~p_dw_pc~0 0) .cse13 (= ~p_num_write~0 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~c_num_read~0 0) (= ~q_buf_0~0 0) (= ~p_last_write~0 0) .cse3 (= ~c_last_read~0 0) .cse5 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= ~q_req_up~0 0) (= ~q_ev~0 0) (= ~q_write_ev~0 2) .cse9 (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~q_read_ev~0 2) (= ~c_dr_pc~0 0) .cse10 (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= ~a_t~0 0) (= (select .cse14 0) 48) (= (select .cse14 1) 0))) (and .cse12 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse10 .cse11)))) [2024-11-14 04:02:22,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:22,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,443 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,443 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,443 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,443 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,443 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,444 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,444 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,444 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:22,444 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,444 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,447 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,447 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,447 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,447 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,448 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,448 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,448 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,448 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,448 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:22,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:02:22,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:02:22,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:02:22,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:02:22,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:02:22,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:02:22,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:02:22,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:02:22,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:02:22 BoogieIcfgContainer [2024-11-14 04:02:22,528 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:02:22,533 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:02:22,533 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:02:22,534 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:02:22,535 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:59:33" (3/4) ... [2024-11-14 04:02:22,543 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:02:22,547 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_threads [2024-11-14 04:02:22,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure exists_runnable_thread [2024-11-14 04:02:22,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure is_do_read_c_triggered [2024-11-14 04:02:22,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fire_delta_events [2024-11-14 04:02:22,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure update_channels [2024-11-14 04:02:22,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reset_delta_events [2024-11-14 04:02:22,549 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure is_do_write_p_triggered [2024-11-14 04:02:22,549 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure error [2024-11-14 04:02:22,567 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-14 04:02:22,567 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-14 04:02:22,568 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 04:02:22,568 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:02:22,600 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((q_req_up == 0) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (a_t == 0)) || (p_dw_pc == 1)) && (q_write_ev == \old(q_write_ev))) && (\old(q_read_ev) == q_read_ev)) && (q_req_up == \old(q_req_up))) && (((((((((((((p_dw_st != 0) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (\old(q_read_ev) != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (c_dr_pc == 1)) && (\old(q_write_ev) != 0)) && (\old(q_write_ev) != 1)) && (\old(q_read_ev) != 1)) && (p_dw_i == 1)) || ((((((((((((c_num_read == p_num_write) && (p_last_write == q_buf_0)) && (\old(q_read_ev) != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (\old(q_write_ev) != 0)) && (\old(q_write_ev) != 1)) && (p_dw_pc == 1)) && (\old(q_read_ev) != 1)) && (p_dw_i == 1))) || ((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (p_last_write == q_buf_0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (\old(q_ev) == 0)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (c_last_read == p_last_write)))) [2024-11-14 04:02:22,646 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((q_req_up == 0) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (a_t == 0)) || (p_dw_pc == 1)) && (q_write_ev == \old(q_write_ev))) && (\old(q_read_ev) == q_read_ev)) && (q_req_up == \old(q_req_up))) && (((((((((((((p_dw_st != 0) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (\old(q_read_ev) != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (c_dr_pc == 1)) && (\old(q_write_ev) != 0)) && (\old(q_write_ev) != 1)) && (\old(q_read_ev) != 1)) && (p_dw_i == 1)) || ((((((((((((c_num_read == p_num_write) && (p_last_write == q_buf_0)) && (\old(q_read_ev) != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (\old(q_write_ev) != 0)) && (\old(q_write_ev) != 1)) && (p_dw_pc == 1)) && (\old(q_read_ev) != 1)) && (p_dw_i == 1))) || ((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (p_last_write == q_buf_0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (\old(q_ev) == 0)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (c_last_read == p_last_write)))) [2024-11-14 04:02:22,718 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:02:22,718 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:02:22,718 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:02:22,720 INFO L158 Benchmark]: Toolchain (without parser) took 170606.57ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 130.7MB in the beginning and 172.2MB in the end (delta: -41.5MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-14 04:02:22,720 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:02:22,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.99ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 117.4MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:02:22,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.26ms. Allocated memory is still 167.8MB. Free memory was 117.4MB in the beginning and 115.8MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:02:22,723 INFO L158 Benchmark]: Boogie Preprocessor took 29.79ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 114.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:02:22,723 INFO L158 Benchmark]: RCFGBuilder took 829.09ms. Allocated memory is still 167.8MB. Free memory was 114.6MB in the beginning and 86.7MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:02:22,726 INFO L158 Benchmark]: TraceAbstraction took 169151.90ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 86.4MB in the beginning and 183.1MB in the end (delta: -96.7MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-14 04:02:22,727 INFO L158 Benchmark]: Witness Printer took 185.14ms. Allocated memory is still 226.5MB. Free memory was 183.1MB in the beginning and 172.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:02:22,728 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.99ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 117.4MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.26ms. Allocated memory is still 167.8MB. Free memory was 117.4MB in the beginning and 115.8MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.79ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 114.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 829.09ms. Allocated memory is still 167.8MB. Free memory was 114.6MB in the beginning and 86.7MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 169151.90ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 86.4MB in the beginning and 183.1MB in the end (delta: -96.7MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 185.14ms. Allocated memory is still 226.5MB. Free memory was 183.1MB in the beginning and 172.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 96.8s, OverallIterations: 18, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 29.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7546 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7519 mSDsluCounter, 8034 SdHoareTripleChecker+Invalid, 9.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6245 mSDsCounter, 3897 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9764 IncrementalHoareTripleChecker+Invalid, 13661 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3897 mSolverCounterUnsat, 1789 mSDtfsCounter, 9764 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2723 GetRequests, 1997 SyntacticMatches, 50 SemanticMatches, 676 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 34420 ImplicationChecksByTransitivity, 40.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1467occurred in iteration=16, InterpolantAutomatonStates: 389, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 18 MinimizatonAttempts, 2770 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 2661 NumberOfCodeBlocks, 2661 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3322 ConstructedInterpolants, 0 QuantifiedInterpolants, 11245 SizeOfPredicates, 28 NumberOfNonLiveVariables, 3382 ConjunctsInSsa, 184 ConjunctsInUnsatCore, 33 InterpolantComputations, 14 PerfectInterpolantSequences, 1627/2025 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: OVERALL_TIME: 2.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 53, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 58, TOOLS_POST_TIME: 0.8s, TOOLS_POST_CALL_APPLICATIONS: 25, TOOLS_POST_CALL_TIME: 0.5s, TOOLS_POST_RETURN_APPLICATIONS: 18, TOOLS_POST_RETURN_TIME: 0.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 101, TOOLS_QUANTIFIERELIM_TIME: 1.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 160, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME: 0.3s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 53, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 18, CALL_SUMMARIZER_CACHE_MISSES: 7, CALL_SUMMARIZER_OVERALL_TIME: 0.1s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 853, DAG_COMPRESSION_RETAINED_NODES: 148, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 180]: Location Invariant Derived location invariant: ((((((((((((((((p_num_write == 0) && (c_num_read == 0)) && (p_last_write == q_buf_0)) && (p_dw_pc <= 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_req_up <= 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (c_last_read == p_last_write)) || (((((((((((((q_req_up == 1) && (c_num_read == 0)) && (p_last_write == q_buf_0)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (p_dw_pc == 1)) && (q_write_ev == 2)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (p_num_write == 1)) && (2 <= p_dw_st))) || ((((((((((((((p_dw_st != 0) && (q_read_ev != 1)) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_read_ev != 0)) && ((c_dr_pc == 1) || (c_dr_pc == 0))) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (c_last_read == p_last_write)) && (q_write_ev != 1))) - InvariantResult [Line: 139]: Location Invariant Derived location invariant: ((((((((((((((((p_num_write == 0) && (p_dw_st != 0)) && (c_num_read == 0)) && (c_dr_st == 2)) && (p_last_write == q_buf_0)) && (q_free == 1)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (q_req_up <= 0)) && (p_dw_pc != 1)) && (q_write_ev == 2)) && (q_read_ev == 2)) && (p_dw_i == 1)) || ((((((((q_req_up == 1) && (p_dw_st != 0)) && (q_read_ev != 1)) && (((long long) c_num_read + 1) == p_num_write)) && (q_write_ev != 0)) && (q_read_ev != 0)) && ((((((((p_last_write == q_buf_0) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) || ((((((c_dr_st == 2) && (p_last_write == q_buf_0)) && (1 == c_dr_i)) && (q_free == 0)) && (c_dr_pc == 1)) && (p_dw_i == 1)))) && (q_write_ev != 1))) || (((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (q_req_up == 1)) && (c_num_read == 0)) && (p_last_write == q_buf_0)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_free == 0)) && (0 <= (p_last_write + 2147483648))) && (q_write_ev == 2)) && (p_dw_st == 1)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (p_num_write == 1)) && (p_last_write <= 2147483647)) && (a_t == 0))) || ((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up <= 0)) && (q_write_ev == 2)) && (p_dw_st == 1)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (a_t == 0))) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (a_t == 0)) || ((((((((((((p_dw_st != 0) && (q_read_ev != 1)) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (q_write_ev != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1))) || ((((((((((((q_read_ev != 1) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1))) - InvariantResult [Line: 218]: Location Invariant Derived location invariant: (((((((((((q_req_up == 0) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (a_t == 0)) || (p_dw_pc == 1)) && (q_write_ev == \old(q_write_ev))) && (\old(q_read_ev) == q_read_ev)) && (q_req_up == \old(q_req_up))) && (((((((((((((p_dw_st != 0) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (\old(q_read_ev) != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (c_dr_pc == 1)) && (\old(q_write_ev) != 0)) && (\old(q_write_ev) != 1)) && (\old(q_read_ev) != 1)) && (p_dw_i == 1)) || ((((((((((((c_num_read == p_num_write) && (p_last_write == q_buf_0)) && (\old(q_read_ev) != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (\old(q_write_ev) != 0)) && (\old(q_write_ev) != 1)) && (p_dw_pc == 1)) && (\old(q_read_ev) != 1)) && (p_dw_i == 1))) || ((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (p_last_write == q_buf_0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (\old(q_ev) == 0)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (c_last_read == p_last_write)))) - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: (((((((((((((((((((p_num_write == 0) && (c_num_read == 0)) && (c_dr_st == 2)) && (p_last_write == q_buf_0)) && (p_dw_pc <= 0)) && (q_free == 1)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (q_req_up <= 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (p_dw_i == 1)) && (c_last_read == p_last_write)) || (((((((((((((((((c_dr_st == 0) && (q_req_up == 1)) && (c_num_read == 0)) && (q_buf_0 <= 2147483647)) && (p_last_write == q_buf_0)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_free == 0)) && (0 <= (q_buf_0 + 2147483648))) && (p_dw_pc == 1)) && (q_write_ev == 2)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (2 == p_dw_st)) && (p_dw_i == 1)) && (p_num_write == 1)) && (a_t == 0))) || (((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (a_t == 0))) || ((((((((((((((q_read_ev != 1) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_req_up != 1)) && (q_write_ev != 0)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_st == 0)) && (p_dw_i == 1)) && (q_write_ev != 1))) || ((((((((((((p_dw_st != 0) && (q_read_ev != 1)) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (q_write_ev != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1))) || ((((((((((((q_read_ev != 1) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1))) - InvariantResult [Line: 251]: Location Invariant Derived location invariant: (((((((((((((((((((p_num_write == 0) && (c_num_read == 0)) && (c_dr_st == 2)) && (p_last_write == q_buf_0)) && (p_dw_pc <= 0)) && (q_free == 1)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (q_req_up <= 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (p_dw_i == 1)) && (c_last_read == p_last_write)) || (((((((((((((((((c_dr_st == 0) && (q_req_up == 1)) && (c_num_read == 0)) && (q_buf_0 <= 2147483647)) && (p_last_write == q_buf_0)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_free == 0)) && (0 <= (q_buf_0 + 2147483648))) && (p_dw_pc == 1)) && (q_write_ev == 2)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (2 == p_dw_st)) && (p_dw_i == 1)) && (p_num_write == 1)) && (a_t == 0))) || (((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (p_last_write == q_buf_0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (c_last_read == p_last_write)) && (a_t == 0))) || ((((((((((((((q_read_ev != 1) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_req_up != 1)) && (q_write_ev != 0)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_st == 0)) && (p_dw_i == 1)) && (q_write_ev != 1))) || ((((((((((((p_dw_st != 0) && (q_read_ev != 1)) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (q_write_ev != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1))) || ((((((((((((q_read_ev != 1) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1))) - ProcedureContractResult [Line: 307]: Procedure Contract for activate_threads Derived contract for procedure activate_threads. Requires: (((((((((((((p_dw_st != 0) && (q_read_ev != 1)) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (q_write_ev != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) || ((((((((((c_num_read == p_num_write) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (1 == c_dr_i)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1))) || (((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (a_t == 0))) Ensures: (((((((((((q_read_ev != 1) && ((c_dr_st != 0) || (\old(c_dr_st) == 0))) && ((p_dw_st != 0) || (\old(p_dw_st) == 0))) || (((((q_free == 1) && (q_read_ev == 1)) && ((c_dr_st != 0) || (\old(c_dr_st) == 0))) && (p_dw_pc == 1)) && (p_dw_st == 0))) || (q_write_ev == 1)) && ((((((((((((q_read_ev != 1) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (q_write_ev != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_i == 1)) && (\old(p_dw_st) != 0)) || ((((((((((c_num_read == p_num_write) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (1 == c_dr_i)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1))) || (((((((((((((((p_dw_pc == 0) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (q_ev == 0)) && (q_write_ev == 2)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (a_t == 0)))) && (((c_dr_st == 0) || (\old(c_dr_st) != 0)) || (((long long) c_num_read + 1) != p_num_write))) && (((p_dw_pc != 1) || (\old(p_dw_st) != 0)) || ((q_free == 1) && (p_dw_st == 0)))) && ((p_dw_pc == 1) || ((c_dr_st == 0) && (p_dw_st == 0)))) && (((p_dw_st != 0) || (\old(p_dw_st) == 0)) || (((long long) c_num_read + 1) != p_num_write))) && (((((((((((((((q_buf_0 == \old(q_buf_0)) && (q_free == \old(q_free))) && (q_read_ev == \old(q_read_ev))) && (q_write_ev == \old(q_write_ev))) && (q_req_up == \old(q_req_up))) && (q_ev == \old(q_ev))) && (p_num_write == \old(p_num_write))) && (p_last_write == \old(p_last_write))) && (p_dw_pc == \old(p_dw_pc))) && (p_dw_i == \old(p_dw_i))) && (c_num_read == \old(c_num_read))) && (c_last_read == \old(c_last_read))) && (c_dr_pc == \old(c_dr_pc))) && (c_dr_i == \old(c_dr_i))) && (a_t == \old(a_t)))) - ProcedureContractResult [Line: 251]: Procedure Contract for exists_runnable_thread Derived contract for procedure exists_runnable_thread. Requires: (((((((((((((((((((p_num_write == 0) && (c_num_read == 0)) && (c_dr_st == 2)) && (p_last_write == q_buf_0)) && (p_dw_pc <= 0)) && (q_free == 1)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (q_req_up <= 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (p_dw_i == 1)) && (c_last_read == p_last_write)) || (((((((((((((((((c_dr_st == 0) && (q_req_up == 1)) && (c_num_read == 0)) && (q_buf_0 <= 2147483647)) && (p_last_write == q_buf_0)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_free == 0)) && (0 <= (q_buf_0 + 2147483648))) && (p_dw_pc == 1)) && (q_write_ev == 2)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (2 == p_dw_st)) && (p_dw_i == 1)) && (p_num_write == 1)) && (a_t == 0))) || (((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (a_t == 0))) || ((((((((((((((q_read_ev != 1) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_req_up != 1)) && (q_write_ev != 0)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_st == 0)) && (p_dw_i == 1)) && (q_write_ev != 1))) || ((((((((((((p_dw_st != 0) && (q_read_ev != 1)) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (q_write_ev != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1))) || ((((((((((((q_read_ev != 1) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1))) Ensures: (((((c_dr_pc != 0) || (\result == 1)) && (((((((((((((((((((p_num_write == 0) && (c_num_read == 0)) && (c_dr_st == 2)) && (p_last_write == q_buf_0)) && (p_dw_pc <= 0)) && (q_free == 1)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (q_req_up <= 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (p_dw_i == 1)) && (c_last_read == p_last_write)) || (((((((((((((((((c_dr_st == 0) && (q_req_up == 1)) && (c_num_read == 0)) && (q_buf_0 <= 2147483647)) && (p_last_write == q_buf_0)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_free == 0)) && (0 <= (q_buf_0 + 2147483648))) && (p_dw_pc == 1)) && (q_write_ev == 2)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (2 == p_dw_st)) && (p_dw_i == 1)) && (p_num_write == 1)) && (a_t == 0))) || (((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (a_t == 0))) || ((((((((((((((q_read_ev != 1) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_req_up != 1)) && (q_write_ev != 0)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_st == 0)) && (p_dw_i == 1)) && (q_write_ev != 1))) || ((((((((((((p_dw_st != 0) && (q_read_ev != 1)) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (q_write_ev != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1))) || ((((((((((((q_read_ev != 1) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1)))) && ((p_dw_st != 0) || (\result == 1))) && (((((((((((((((((q_buf_0 == \old(q_buf_0)) && (q_free == \old(q_free))) && (q_read_ev == \old(q_read_ev))) && (q_write_ev == \old(q_write_ev))) && (q_req_up == \old(q_req_up))) && (q_ev == \old(q_ev))) && (p_num_write == \old(p_num_write))) && (p_last_write == \old(p_last_write))) && (p_dw_st == \old(p_dw_st))) && (p_dw_pc == \old(p_dw_pc))) && (p_dw_i == \old(p_dw_i))) && (c_num_read == \old(c_num_read))) && (c_last_read == \old(c_last_read))) && (c_dr_st == \old(c_dr_st))) && (c_dr_pc == \old(c_dr_pc))) && (c_dr_i == \old(c_dr_i))) && (a_t == \old(a_t)))) - ProcedureContractResult [Line: 80]: Procedure Contract for is_do_read_c_triggered Derived contract for procedure is_do_read_c_triggered. Requires: ((((((((((((((q_read_ev != 1) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (1 == c_dr_i)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1)) || (((((((((((c_num_read == p_num_write) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (q_read_ev == 1)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_st == 0)) && (p_dw_i == 1)) && (q_write_ev != 1))) || (((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (a_t == 0))) || ((((((((((q_read_ev != 1) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (q_write_ev != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1))) Ensures: ((((((c_dr_st == 0) || (\result == 0)) || (q_write_ev == 1)) && ((((((((((((((q_read_ev != 1) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (1 == c_dr_i)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1)) || (((((((((((c_num_read == p_num_write) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (q_read_ev == 1)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_st == 0)) && (p_dw_i == 1)) && (q_write_ev != 1))) || (((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (a_t == 0))) || ((((((((((q_read_ev != 1) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (q_write_ev != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)))) && ((\result == 0) || (p_dw_pc == 1))) && (((((((((((((((((q_buf_0 == \old(q_buf_0)) && (q_free == \old(q_free))) && (q_read_ev == \old(q_read_ev))) && (q_write_ev == \old(q_write_ev))) && (q_req_up == \old(q_req_up))) && (q_ev == \old(q_ev))) && (p_num_write == \old(p_num_write))) && (p_last_write == \old(p_last_write))) && (p_dw_st == \old(p_dw_st))) && (p_dw_pc == \old(p_dw_pc))) && (p_dw_i == \old(p_dw_i))) && (c_num_read == \old(c_num_read))) && (c_last_read == \old(c_last_read))) && (c_dr_st == \old(c_dr_st))) && (c_dr_pc == \old(c_dr_pc))) && (c_dr_i == \old(c_dr_i))) && (a_t == \old(a_t)))) - ProcedureContractResult [Line: 271]: Procedure Contract for fire_delta_events Derived contract for procedure fire_delta_events. Requires: (((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (a_t == 0)) || (((((((((((q_read_ev != 1) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1))) || ((((((((((p_dw_st != 0) && (q_read_ev != 1)) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1))) Ensures: ((((((((\old(q_write_ev) != 0) || (q_write_ev == 1)) && (\old(q_read_ev) == q_read_ev)) && ((q_write_ev == \old(q_write_ev)) || (\old(q_write_ev) == 0))) || (((long long) c_num_read + 1) != p_num_write)) && (((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (2 == \old(q_write_ev))) && (q_ev == 0)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (\old(q_read_ev) == 2)) && (p_dw_i == 1)) && (a_t == 0)) || ((((((((((p_dw_st != 0) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (\old(q_read_ev) != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (\old(q_read_ev) != 1)) && (p_dw_i == 1))) || (((((((((((c_num_read == p_num_write) && (p_last_write == q_buf_0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (\old(q_write_ev) != 0)) && (\old(q_write_ev) != 1)) && (p_dw_pc == 1)) && (\old(q_read_ev) != 1)) && (p_dw_i == 1)))) && ((c_num_read != p_num_write) || (((q_read_ev != 0) && (q_write_ev == \old(q_write_ev))) && ((\old(q_read_ev) == q_read_ev) || (\old(q_read_ev) == 0))))) && (((((((((((((((q_buf_0 == \old(q_buf_0)) && (q_free == \old(q_free))) && (q_req_up == \old(q_req_up))) && (q_ev == \old(q_ev))) && (p_num_write == \old(p_num_write))) && (p_last_write == \old(p_last_write))) && (p_dw_st == \old(p_dw_st))) && (p_dw_pc == \old(p_dw_pc))) && (p_dw_i == \old(p_dw_i))) && (c_num_read == \old(c_num_read))) && (c_last_read == \old(c_last_read))) && (c_dr_st == \old(c_dr_st))) && (c_dr_pc == \old(c_dr_pc))) && (c_dr_i == \old(c_dr_i))) && (a_t == \old(a_t)))) - ProcedureContractResult [Line: 218]: Procedure Contract for update_channels Derived contract for procedure update_channels. Requires: ((((((((q_req_up == 0) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (a_t == 0)) || (p_dw_pc == 1)) && (((((((((((((p_dw_st != 0) && (q_read_ev != 1)) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (q_write_ev != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1)) || (((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (c_dr_pc == 0)) && (p_dw_i == 1))) || ((((((((((((q_read_ev != 1) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1)))) Ensures: ((((((((((((((((((p_num_write != 1) || (\old(q_req_up) != 1)) || (q_req_up == 0)) || (p_last_write != q_buf_0)) || (c_num_read != 1)) || (p_dw_st == 0)) || (p_dw_pc < 1)) || (c_dr_st != 2)) || (c_dr_pc != 1)) || (p_dw_i != 1)) || (q_free != 1)) || (2 != \old(q_write_ev))) || (1 != c_dr_i)) && (((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (\old(q_req_up) == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (\old(q_ev) == 0)) && (2 == \old(q_write_ev))) && (c_dr_pc == 0)) && (\old(q_read_ev) == 2)) && (p_dw_i == 1)) || (((((((((((p_dw_st != 0) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (\old(q_read_ev) != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (c_dr_pc == 1)) && (\old(q_write_ev) != 0)) && (\old(q_write_ev) != 1)) && (\old(q_read_ev) != 1)) && (p_dw_i == 1))) || ((((((((((((c_num_read == p_num_write) && (p_last_write == q_buf_0)) && (\old(q_read_ev) != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (\old(q_write_ev) != 0)) && (\old(q_write_ev) != 1)) && (p_dw_pc == 1)) && (\old(q_read_ev) != 1)) && (p_dw_i == 1)))) && (((((((q_req_up == 0) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (a_t == 0)) || (p_dw_pc == 1))) && ((((((((p_last_write != q_buf_0) || (c_num_read != p_num_write)) || (p_dw_pc < 1)) || (c_dr_pc != 1)) || (p_dw_i != 1)) || (q_free != 1)) || (((((q_read_ev != 1) && (q_req_up != 1)) && ((\old(q_req_up) == 1) || (\old(q_read_ev) == q_read_ev))) && (q_req_up <= \old(q_req_up))) && (q_write_ev == \old(q_write_ev)))) || (1 != c_dr_i))) && ((((long long) c_num_read + 1) != p_num_write) || (((\old(q_read_ev) == q_read_ev) && ((\old(q_req_up) == 1) || (q_write_ev == \old(q_write_ev)))) && (((q_req_up == 0) && (q_write_ev == 0)) || (((q_req_up != 1) && (q_req_up <= \old(q_req_up))) && (q_write_ev == \old(q_write_ev))))))) && (((((((((((((q_buf_0 == \old(q_buf_0)) && (q_free == \old(q_free))) && (p_num_write == \old(p_num_write))) && (p_last_write == \old(p_last_write))) && (p_dw_st == \old(p_dw_st))) && (p_dw_pc == \old(p_dw_pc))) && (p_dw_i == \old(p_dw_i))) && (c_num_read == \old(c_num_read))) && (c_last_read == \old(c_last_read))) && (c_dr_st == \old(c_dr_st))) && (c_dr_pc == \old(c_dr_pc))) && (c_dr_i == \old(c_dr_i))) && (a_t == \old(a_t)))) - ProcedureContractResult [Line: 289]: Procedure Contract for reset_delta_events Derived contract for procedure reset_delta_events. Requires: (((((((((((((((c_num_read == p_num_write) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_st == 0)) && (p_dw_i == 1)) && (q_write_ev != 1)) || (((((((((((p_dw_st != 0) && (q_read_ev != 1)) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (q_write_ev != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1))) || (((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (a_t == 0))) || ((((((((((((q_read_ev != 1) && (c_num_read == p_num_write)) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1))) Ensures: (((((((\old(q_write_ev) == 1) || ((q_write_ev == \old(q_write_ev)) && (\old(q_read_ev) == q_read_ev))) || (p_dw_st == 0)) && ((\old(q_write_ev) != 1) || ((q_write_ev == 2) && (\old(q_read_ev) == q_read_ev)))) && ((c_num_read != p_num_write) || ((((\old(q_read_ev) != \old(q_write_ev)) && (q_read_ev == 2)) || ((q_read_ev != 1) && (\old(q_read_ev) == q_read_ev))) && (q_write_ev == \old(q_write_ev))))) && (((((((((((((p_dw_st != 0) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (\old(q_read_ev) != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (c_dr_pc == 1)) && (\old(q_write_ev) != 0)) && (p_dw_pc == 1)) && (\old(q_read_ev) != 1)) && (p_dw_i == 1)) || ((((((((((c_num_read == p_num_write) && (p_last_write == q_buf_0)) && (\old(q_read_ev) != 0)) && (q_free == 1)) && (c_dr_st != 0)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (\old(q_write_ev) != 0)) && (p_dw_pc == 1)) && (p_dw_i == 1))) || (((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (2 == \old(q_write_ev))) && (q_ev == 0)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (\old(q_read_ev) == 2)) && (p_dw_i == 1)) && (a_t == 0)))) && (((((((((((((((q_buf_0 == \old(q_buf_0)) && (q_free == \old(q_free))) && (q_req_up == \old(q_req_up))) && (q_ev == \old(q_ev))) && (p_num_write == \old(p_num_write))) && (p_last_write == \old(p_last_write))) && (p_dw_st == \old(p_dw_st))) && (p_dw_pc == \old(p_dw_pc))) && (p_dw_i == \old(p_dw_i))) && (c_num_read == \old(c_num_read))) && (c_last_read == \old(c_last_read))) && (c_dr_st == \old(c_dr_st))) && (c_dr_pc == \old(c_dr_pc))) && (c_dr_i == \old(c_dr_i))) && (a_t == \old(a_t)))) - ProcedureContractResult [Line: 61]: Procedure Contract for is_do_write_p_triggered Derived contract for procedure is_do_write_p_triggered. Requires: (((((((((((((p_dw_st != 0) && (q_read_ev != 1)) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (q_write_ev != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) || ((((((((((c_num_read == p_num_write) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (1 == c_dr_i)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1))) || (((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (a_t == 0))) Ensures: (((((((p_dw_st == 0) || ((q_read_ev != 1) && (\result == 0))) || ((q_read_ev == 1) && (\result == 1))) && ((\result == 0) || (((long long) c_num_read + 1) != p_num_write))) && ((p_dw_pc == 1) || (\result == 0))) && ((((((((((((c_num_read == p_num_write) && (p_last_write == q_buf_0)) && (q_write_ev != 0)) && (q_free == 1)) && (1 == c_dr_i)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (q_write_ev != 1)) || (((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (p_last_write == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (q_ev == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (p_dw_i == 1)) && (a_t == 0))) || ((((((((((p_dw_st != 0) && (p_last_write == q_buf_0)) && (((long long) c_num_read + 1) == p_num_write)) && (q_write_ev != 0)) && (1 == c_dr_i)) && (q_free == 0)) && (q_read_ev != 0)) && (c_dr_pc == 1)) && (p_dw_pc == 1)) && (p_dw_i == 1)))) && (((((((((((((((((q_buf_0 == \old(q_buf_0)) && (q_free == \old(q_free))) && (q_read_ev == \old(q_read_ev))) && (q_write_ev == \old(q_write_ev))) && (q_req_up == \old(q_req_up))) && (q_ev == \old(q_ev))) && (p_num_write == \old(p_num_write))) && (p_last_write == \old(p_last_write))) && (p_dw_st == \old(p_dw_st))) && (p_dw_pc == \old(p_dw_pc))) && (p_dw_i == \old(p_dw_i))) && (c_num_read == \old(c_num_read))) && (c_last_read == \old(c_last_read))) && (c_dr_st == \old(c_dr_st))) && (c_dr_pc == \old(c_dr_pc))) && (c_dr_i == \old(c_dr_i))) && (a_t == \old(a_t)))) - ProcedureContractResult [Line: 16]: Procedure Contract for error Derived contract for procedure error. Requires: 0 Ensures: (0 && (((((((((((((((((q_buf_0 == \old(q_buf_0)) && (q_free == \old(q_free))) && (q_read_ev == \old(q_read_ev))) && (q_write_ev == \old(q_write_ev))) && (q_req_up == \old(q_req_up))) && (q_ev == \old(q_ev))) && (p_num_write == \old(p_num_write))) && (p_last_write == \old(p_last_write))) && (p_dw_st == \old(p_dw_st))) && (p_dw_pc == \old(p_dw_pc))) && (p_dw_i == \old(p_dw_i))) && (c_num_read == \old(c_num_read))) && (c_last_read == \old(c_last_read))) && (c_dr_st == \old(c_dr_st))) && (c_dr_pc == \old(c_dr_pc))) && (c_dr_i == \old(c_dr_i))) && (a_t == \old(a_t)))) RESULT: Ultimate proved your program to be correct! [2024-11-14 04:02:22,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2d3dde-dfbd-48d0-a931-4e39e1165ffb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE