./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/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_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje --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 0.2.5-dev-a016563 [2024-11-09 05:12:34,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:12:34,719 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:12:34,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:12:34,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:12:34,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:12:34,752 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:12:34,752 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:12:34,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:12:34,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:12:34,754 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:12:34,754 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:12:34,754 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:12:34,755 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:12:34,755 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:12:34,756 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:12:34,756 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:12:34,757 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:12:34,757 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:12:34,758 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:12:34,758 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:12:34,759 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:12:34,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:12:34,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:12:34,761 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:12:34,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:12:34,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:12:34,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:12:34,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:12:34,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:12:34,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:12:34,763 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:12:34,764 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:12:34,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:12:34,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:12:34,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:12:34,765 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:12:34,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:12:34,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:12:34,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:12:34,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:12:34,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:12:34,767 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:12:34,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:12:34,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:12:34,768 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:12:34,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:12:34,769 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b74079121634b4e5d8b815834e604eed77442466d93875e78a8cab3fe135fa1f [2024-11-09 05:12:35,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:12:35,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:12:35,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:12:35,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:12:35,082 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:12:35,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c Unable to find full path for "g++" [2024-11-09 05:12:37,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:12:37,292 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:12:37,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c [2024-11-09 05:12:37,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/data/d2cf6e86a/e4e814f7974b47f28766412fad12d8ac/FLAG5a426e9f6 [2024-11-09 05:12:37,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/data/d2cf6e86a/e4e814f7974b47f28766412fad12d8ac [2024-11-09 05:12:37,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:12:37,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:12:37,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:12:37,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:12:37,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:12:37,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:12:37" (1/1) ... [2024-11-09 05:12:37,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3c4df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:37, skipping insertion in model container [2024-11-09 05:12:37,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:12:37" (1/1) ... [2024-11-09 05:12:37,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:12:37,892 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_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c[643,656] [2024-11-09 05:12:37,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:12:37,963 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:12:37,973 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_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c[643,656] [2024-11-09 05:12:38,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:12:38,024 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:12:38,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:38 WrapperNode [2024-11-09 05:12:38,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:12:38,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:12:38,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:12:38,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:12:38,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:38" (1/1) ... [2024-11-09 05:12:38,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:38" (1/1) ... [2024-11-09 05:12:38,079 INFO L138 Inliner]: procedures = 29, calls = 31, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 185 [2024-11-09 05:12:38,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:12:38,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:12:38,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:12:38,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:12:38,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:38" (1/1) ... [2024-11-09 05:12:38,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:38" (1/1) ... [2024-11-09 05:12:38,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:38" (1/1) ... [2024-11-09 05:12:38,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:38" (1/1) ... [2024-11-09 05:12:38,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:38" (1/1) ... [2024-11-09 05:12:38,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:38" (1/1) ... [2024-11-09 05:12:38,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:38" (1/1) ... [2024-11-09 05:12:38,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:38" (1/1) ... [2024-11-09 05:12:38,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:12:38,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:12:38,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:12:38,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:12:38,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:38" (1/1) ... [2024-11-09 05:12:38,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:12:38,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:12:38,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:12:38,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:12:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:12:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-09 05:12:38,239 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-09 05:12:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-11-09 05:12:38,241 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-11-09 05:12:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-09 05:12:38,241 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-09 05:12:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-09 05:12:38,241 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-09 05:12:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-09 05:12:38,242 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-09 05:12:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-09 05:12:38,242 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-09 05:12:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:12:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-09 05:12:38,242 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-09 05:12:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:12:38,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:12:38,245 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-11-09 05:12:38,245 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-11-09 05:12:38,333 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:12:38,336 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:12:38,707 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-09 05:12:38,707 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:12:38,873 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:12:38,874 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 05:12:38,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:12:38 BoogieIcfgContainer [2024-11-09 05:12:38,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:12:38,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:12:38,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:12:38,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:12:38,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:12:37" (1/3) ... [2024-11-09 05:12:38,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19cd7ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:12:38, skipping insertion in model container [2024-11-09 05:12:38,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:38" (2/3) ... [2024-11-09 05:12:38,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19cd7ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:12:38, skipping insertion in model container [2024-11-09 05:12:38,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:12:38" (3/3) ... [2024-11-09 05:12:38,891 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-1.c [2024-11-09 05:12:38,925 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:12:38,925 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:12:38,993 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:12:39,000 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;@6fc23ebc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:12:39,000 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:12:39,004 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) [2024-11-09 05:12:39,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 05:12:39,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:39,014 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] [2024-11-09 05:12:39,015 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:12:39,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:39,021 INFO L85 PathProgramCache]: Analyzing trace with hash -549034704, now seen corresponding path program 1 times [2024-11-09 05:12:39,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:39,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927800311] [2024-11-09 05:12:39,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:39,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:39,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:12:39,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:39,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927800311] [2024-11-09 05:12:39,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927800311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:39,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:39,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:12:39,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976742496] [2024-11-09 05:12:39,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:39,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:12:39,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:39,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:12:39,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:12:39,467 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) [2024-11-09 05:12:39,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:39,768 INFO L93 Difference]: Finished difference Result 201 states and 279 transitions. [2024-11-09 05:12:39,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:12:39,771 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 [2024-11-09 05:12:39,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:39,780 INFO L225 Difference]: With dead ends: 201 [2024-11-09 05:12:39,780 INFO L226 Difference]: Without dead ends: 130 [2024-11-09 05:12:39,783 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 [2024-11-09 05:12:39,787 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 155 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:39,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 220 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:12:39,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-09 05:12:39,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 123. [2024-11-09 05:12:39,848 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) [2024-11-09 05:12:39,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 157 transitions. [2024-11-09 05:12:39,852 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 157 transitions. Word has length 44 [2024-11-09 05:12:39,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:39,853 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 157 transitions. [2024-11-09 05:12:39,853 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) [2024-11-09 05:12:39,853 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 157 transitions. [2024-11-09 05:12:39,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 05:12:39,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:39,856 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] [2024-11-09 05:12:39,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:12:39,856 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:12:39,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:39,857 INFO L85 PathProgramCache]: Analyzing trace with hash 369939919, now seen corresponding path program 1 times [2024-11-09 05:12:39,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:39,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959078583] [2024-11-09 05:12:39,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:39,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:40,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:12:40,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:40,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959078583] [2024-11-09 05:12:40,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959078583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:40,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:40,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:12:40,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029843111] [2024-11-09 05:12:40,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:40,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:12:40,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:40,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:12:40,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:12:40,018 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) [2024-11-09 05:12:40,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:40,276 INFO L93 Difference]: Finished difference Result 352 states and 452 transitions. [2024-11-09 05:12:40,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:12:40,277 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 [2024-11-09 05:12:40,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:40,280 INFO L225 Difference]: With dead ends: 352 [2024-11-09 05:12:40,280 INFO L226 Difference]: Without dead ends: 234 [2024-11-09 05:12:40,281 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 [2024-11-09 05:12:40,282 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 149 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-11-09 05:12:40,283 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] [2024-11-09 05:12:40,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-09 05:12:40,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 220. [2024-11-09 05:12:40,317 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) [2024-11-09 05:12:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 265 transitions. [2024-11-09 05:12:40,320 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 265 transitions. Word has length 44 [2024-11-09 05:12:40,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:40,321 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 265 transitions. [2024-11-09 05:12:40,321 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) [2024-11-09 05:12:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 265 transitions. [2024-11-09 05:12:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 05:12:40,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:40,323 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] [2024-11-09 05:12:40,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:12:40,324 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:12:40,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:40,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1810319078, now seen corresponding path program 1 times [2024-11-09 05:12:40,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:40,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955530673] [2024-11-09 05:12:40,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:40,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:12:40,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:40,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955530673] [2024-11-09 05:12:40,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955530673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:40,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:40,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 05:12:40,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608221249] [2024-11-09 05:12:40,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:40,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 05:12:40,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:40,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 05:12:40,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:12:40,612 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) [2024-11-09 05:12:41,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:41,156 INFO L93 Difference]: Finished difference Result 552 states and 657 transitions. [2024-11-09 05:12:41,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 05:12:41,157 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 [2024-11-09 05:12:41,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:41,164 INFO L225 Difference]: With dead ends: 552 [2024-11-09 05:12:41,165 INFO L226 Difference]: Without dead ends: 338 [2024-11-09 05:12:41,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-09 05:12:41,170 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 195 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:41,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 296 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:12:41,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-09 05:12:41,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 316. [2024-11-09 05:12:41,246 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) [2024-11-09 05:12:41,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 375 transitions. [2024-11-09 05:12:41,253 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 375 transitions. Word has length 45 [2024-11-09 05:12:41,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:41,258 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 375 transitions. [2024-11-09 05:12:41,258 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) [2024-11-09 05:12:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 375 transitions. [2024-11-09 05:12:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 05:12:41,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:41,260 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] [2024-11-09 05:12:41,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:12:41,261 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:12:41,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:41,263 INFO L85 PathProgramCache]: Analyzing trace with hash -511150226, now seen corresponding path program 1 times [2024-11-09 05:12:41,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:41,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864184322] [2024-11-09 05:12:41,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:41,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:12:41,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:41,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864184322] [2024-11-09 05:12:41,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864184322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:41,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:41,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:12:41,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124909638] [2024-11-09 05:12:41,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:41,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:12:41,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:41,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:12:41,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:12:41,363 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) [2024-11-09 05:12:41,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:41,484 INFO L93 Difference]: Finished difference Result 687 states and 816 transitions. [2024-11-09 05:12:41,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:12:41,485 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 [2024-11-09 05:12:41,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:41,488 INFO L225 Difference]: With dead ends: 687 [2024-11-09 05:12:41,491 INFO L226 Difference]: Without dead ends: 423 [2024-11-09 05:12:41,492 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 [2024-11-09 05:12:41,493 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 67 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2024-11-09 05:12:41,494 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] [2024-11-09 05:12:41,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-09 05:12:41,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 415. [2024-11-09 05:12:41,565 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) [2024-11-09 05:12:41,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 490 transitions. [2024-11-09 05:12:41,569 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 490 transitions. Word has length 46 [2024-11-09 05:12:41,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:41,570 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 490 transitions. [2024-11-09 05:12:41,571 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) [2024-11-09 05:12:41,571 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 490 transitions. [2024-11-09 05:12:41,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 05:12:41,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:41,575 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] [2024-11-09 05:12:41,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:12:41,576 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:12:41,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:41,577 INFO L85 PathProgramCache]: Analyzing trace with hash -127301961, now seen corresponding path program 1 times [2024-11-09 05:12:41,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:41,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848402303] [2024-11-09 05:12:41,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:41,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:12:41,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:41,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848402303] [2024-11-09 05:12:41,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848402303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:41,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:41,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:12:41,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165682135] [2024-11-09 05:12:41,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:41,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:12:41,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:41,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:12:41,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:12:41,747 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) [2024-11-09 05:12:42,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:42,014 INFO L93 Difference]: Finished difference Result 520 states and 611 transitions. [2024-11-09 05:12:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:12:42,014 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 [2024-11-09 05:12:42,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:42,019 INFO L225 Difference]: With dead ends: 520 [2024-11-09 05:12:42,019 INFO L226 Difference]: Without dead ends: 517 [2024-11-09 05:12:42,020 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 [2024-11-09 05:12:42,024 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:42,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 119 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:12:42,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-09 05:12:42,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 414. [2024-11-09 05:12:42,107 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) [2024-11-09 05:12:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 486 transitions. [2024-11-09 05:12:42,110 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 486 transitions. Word has length 53 [2024-11-09 05:12:42,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:42,111 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 486 transitions. [2024-11-09 05:12:42,112 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) [2024-11-09 05:12:42,112 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 486 transitions. [2024-11-09 05:12:42,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 05:12:42,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:42,114 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] [2024-11-09 05:12:42,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:12:42,115 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:12:42,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:42,116 INFO L85 PathProgramCache]: Analyzing trace with hash 348254646, now seen corresponding path program 1 times [2024-11-09 05:12:42,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:42,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876332686] [2024-11-09 05:12:42,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:42,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:42,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:12:42,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:42,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876332686] [2024-11-09 05:12:42,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876332686] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:12:42,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652789320] [2024-11-09 05:12:42,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:42,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:12:42,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:12:42,319 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:12:42,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:12:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:42,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 05:12:42,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:12:42,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:12:42,863 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:12:42,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:12:42,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652789320] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:12:42,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1499961751] [2024-11-09 05:12:43,024 INFO L159 IcfgInterpreter]: Started Sifa with 53 locations of interest [2024-11-09 05:12:43,024 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:12:43,028 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:12:43,033 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:12:43,033 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:12:44,481 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events with input of size 67 for LOIs [2024-11-09 05:12:44,522 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events with input of size 67 for LOIs [2024-11-09 05:12:44,549 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels with input of size 74 for LOIs [2024-11-09 05:12:44,574 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread with input of size 63 for LOIs [2024-11-09 05:12:44,600 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads with input of size 71 for LOIs [2024-11-09 05:12:44,830 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_write_p_triggered with input of size 67 for LOIs [2024-11-09 05:12:44,873 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_read_c_triggered with input of size 67 for LOIs [2024-11-09 05:12:44,942 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:12:48,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1499961751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:48,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:12:48,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [5, 4, 4] total 35 [2024-11-09 05:12:48,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066359887] [2024-11-09 05:12:48,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:48,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-09 05:12:48,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:48,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-09 05:12:48,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=995, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:12:48,743 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) [2024-11-09 05:12:52,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:52,508 INFO L93 Difference]: Finished difference Result 848 states and 996 transitions. [2024-11-09 05:12:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 05:12:52,509 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 [2024-11-09 05:12:52,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:52,514 INFO L225 Difference]: With dead ends: 848 [2024-11-09 05:12:52,515 INFO L226 Difference]: Without dead ends: 440 [2024-11-09 05:12:52,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 129 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 787 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=401, Invalid=1855, Unknown=0, NotChecked=0, Total=2256 [2024-11-09 05:12:52,518 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 131 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:52,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 591 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:12:52,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-09 05:12:52,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 432. [2024-11-09 05:12:52,587 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) [2024-11-09 05:12:52,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 506 transitions. [2024-11-09 05:12:52,590 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 506 transitions. Word has length 54 [2024-11-09 05:12:52,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:52,591 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 506 transitions. [2024-11-09 05:12:52,591 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) [2024-11-09 05:12:52,591 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 506 transitions. [2024-11-09 05:12:52,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 05:12:52,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:52,593 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] [2024-11-09 05:12:52,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:12:52,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:12:52,796 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:12:52,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:52,796 INFO L85 PathProgramCache]: Analyzing trace with hash 2055601122, now seen corresponding path program 1 times [2024-11-09 05:12:52,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:52,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662827978] [2024-11-09 05:12:52,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:52,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:52,880 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:12:52,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:52,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662827978] [2024-11-09 05:12:52,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662827978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:52,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:52,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:12:52,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078315476] [2024-11-09 05:12:52,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:52,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:12:52,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:52,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:12:52,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:12:52,883 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) [2024-11-09 05:12:53,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:53,002 INFO L93 Difference]: Finished difference Result 877 states and 1032 transitions. [2024-11-09 05:12:53,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:12:53,003 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 [2024-11-09 05:12:53,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:53,008 INFO L225 Difference]: With dead ends: 877 [2024-11-09 05:12:53,009 INFO L226 Difference]: Without dead ends: 616 [2024-11-09 05:12:53,010 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 [2024-11-09 05:12:53,011 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:53,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 174 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:12:53,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-09 05:12:53,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 487. [2024-11-09 05:12:53,075 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) [2024-11-09 05:12:53,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 575 transitions. [2024-11-09 05:12:53,078 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 575 transitions. Word has length 60 [2024-11-09 05:12:53,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:53,079 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 575 transitions. [2024-11-09 05:12:53,079 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) [2024-11-09 05:12:53,079 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 575 transitions. [2024-11-09 05:12:53,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 05:12:53,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:53,081 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] [2024-11-09 05:12:53,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:12:53,081 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:12:53,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:53,082 INFO L85 PathProgramCache]: Analyzing trace with hash 735205278, now seen corresponding path program 1 times [2024-11-09 05:12:53,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:53,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637594572] [2024-11-09 05:12:53,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:53,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:12:53,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:53,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637594572] [2024-11-09 05:12:53,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637594572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:12:53,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342083351] [2024-11-09 05:12:53,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:53,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:12:53,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:12:53,464 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:12:53,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:12:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:53,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:12:53,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:12:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:12:53,663 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:12:53,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342083351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:53,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:12:53,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 17 [2024-11-09 05:12:53,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235088696] [2024-11-09 05:12:53,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:53,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:12:53,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:53,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:12:53,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-09 05:12:53,670 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) [2024-11-09 05:12:53,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:53,830 INFO L93 Difference]: Finished difference Result 825 states and 977 transitions. [2024-11-09 05:12:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:12:53,831 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 [2024-11-09 05:12:53,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:53,833 INFO L225 Difference]: With dead ends: 825 [2024-11-09 05:12:53,833 INFO L226 Difference]: Without dead ends: 344 [2024-11-09 05:12:53,834 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 [2024-11-09 05:12:53,835 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 [2024-11-09 05:12:53,835 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] [2024-11-09 05:12:53,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-09 05:12:53,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 340. [2024-11-09 05:12:53,883 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) [2024-11-09 05:12:53,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 402 transitions. [2024-11-09 05:12:53,886 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 402 transitions. Word has length 101 [2024-11-09 05:12:53,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:53,887 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 402 transitions. [2024-11-09 05:12:53,887 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) [2024-11-09 05:12:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 402 transitions. [2024-11-09 05:12:53,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 05:12:53,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:53,889 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] [2024-11-09 05:12:53,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:12:54,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:12:54,093 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:12:54,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:54,094 INFO L85 PathProgramCache]: Analyzing trace with hash 155452650, now seen corresponding path program 1 times [2024-11-09 05:12:54,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:54,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862393970] [2024-11-09 05:12:54,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:54,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 05:12:54,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:54,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862393970] [2024-11-09 05:12:54,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862393970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:12:54,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655388715] [2024-11-09 05:12:54,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:54,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:12:54,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:12:54,334 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:12:54,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:12:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:54,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 05:12:54,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:12:54,798 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:12:54,798 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:12:54,966 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-09 05:12:54,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655388715] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:12:54,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1533508137] [2024-11-09 05:12:54,970 INFO L159 IcfgInterpreter]: Started Sifa with 64 locations of interest [2024-11-09 05:12:54,970 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:12:54,971 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:12:54,971 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:12:54,971 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:12:58,593 INFO L197 IcfgInterpreter]: Interpreting procedure error with input of size 33 for LOIs [2024-11-09 05:12:58,598 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events with input of size 92 for LOIs [2024-11-09 05:12:58,632 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events with input of size 69 for LOIs [2024-11-09 05:12:58,646 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels with input of size 80 for LOIs [2024-11-09 05:12:58,681 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread with input of size 1 for LOIs [2024-11-09 05:12:58,683 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads with input of size 75 for LOIs [2024-11-09 05:12:58,796 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_write_p_triggered with input of size 69 for LOIs [2024-11-09 05:12:58,846 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_read_c_triggered with input of size 16 for LOIs [2024-11-09 05:12:58,855 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:13:02,867 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 [2024-11-09 05:13:02,867 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:13:02,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:13:02,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 13 [2024-11-09 05:13:02,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47764000] [2024-11-09 05:13:02,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:13:02,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 05:13:02,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:02,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 05:13:02,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=2860, Unknown=0, NotChecked=0, Total=3080 [2024-11-09 05:13:02,871 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) [2024-11-09 05:13:06,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:06,103 INFO L93 Difference]: Finished difference Result 1587 states and 1880 transitions. [2024-11-09 05:13:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-09 05:13:06,104 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 [2024-11-09 05:13:06,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:06,114 INFO L225 Difference]: With dead ends: 1587 [2024-11-09 05:13:06,114 INFO L226 Difference]: Without dead ends: 1326 [2024-11-09 05:13:06,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 266 SyntacticMatches, 12 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3471 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=948, Invalid=11484, Unknown=0, NotChecked=0, Total=12432 [2024-11-09 05:13:06,121 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 687 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:06,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 1112 Invalid, 1724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:13:06,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-11-09 05:13:06,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 931. [2024-11-09 05:13:06,266 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) [2024-11-09 05:13:06,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1093 transitions. [2024-11-09 05:13:06,272 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1093 transitions. Word has length 103 [2024-11-09 05:13:06,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:06,273 INFO L471 AbstractCegarLoop]: Abstraction has 931 states and 1093 transitions. [2024-11-09 05:13:06,273 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) [2024-11-09 05:13:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1093 transitions. [2024-11-09 05:13:06,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 05:13:06,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:06,276 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] [2024-11-09 05:13:06,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:13:06,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:06,480 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:13:06,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:06,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1551223522, now seen corresponding path program 1 times [2024-11-09 05:13:06,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:06,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232220845] [2024-11-09 05:13:06,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:06,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:06,530 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 05:13:06,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:06,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232220845] [2024-11-09 05:13:06,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232220845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:06,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:13:06,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:13:06,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839244373] [2024-11-09 05:13:06,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:06,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:13:06,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:06,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:13:06,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:13:06,533 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) [2024-11-09 05:13:06,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:06,701 INFO L93 Difference]: Finished difference Result 1451 states and 1704 transitions. [2024-11-09 05:13:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:13:06,701 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 [2024-11-09 05:13:06,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:06,705 INFO L225 Difference]: With dead ends: 1451 [2024-11-09 05:13:06,705 INFO L226 Difference]: Without dead ends: 672 [2024-11-09 05:13:06,707 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 [2024-11-09 05:13:06,708 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:06,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 179 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:13:06,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-11-09 05:13:06,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 663. [2024-11-09 05:13:06,802 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) [2024-11-09 05:13:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 765 transitions. [2024-11-09 05:13:06,806 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 765 transitions. Word has length 107 [2024-11-09 05:13:06,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:06,807 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 765 transitions. [2024-11-09 05:13:06,808 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) [2024-11-09 05:13:06,808 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 765 transitions. [2024-11-09 05:13:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 05:13:06,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:06,811 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] [2024-11-09 05:13:06,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:13:06,811 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:13:06,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:06,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1978726350, now seen corresponding path program 1 times [2024-11-09 05:13:06,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:06,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463642794] [2024-11-09 05:13:06,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:06,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 05:13:07,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:07,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463642794] [2024-11-09 05:13:07,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463642794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:13:07,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882090182] [2024-11-09 05:13:07,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:07,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:07,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:13:07,006 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:13:07,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:13:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:07,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:13:07,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:13:07,214 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 05:13:07,214 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:13:07,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882090182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:07,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:13:07,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-09 05:13:07,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762925283] [2024-11-09 05:13:07,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:07,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:13:07,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:07,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:13:07,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-09 05:13:07,217 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) [2024-11-09 05:13:07,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:07,448 INFO L93 Difference]: Finished difference Result 1193 states and 1385 transitions. [2024-11-09 05:13:07,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:13:07,448 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 [2024-11-09 05:13:07,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:07,453 INFO L225 Difference]: With dead ends: 1193 [2024-11-09 05:13:07,453 INFO L226 Difference]: Without dead ends: 618 [2024-11-09 05:13:07,455 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 [2024-11-09 05:13:07,455 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 [2024-11-09 05:13:07,456 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] [2024-11-09 05:13:07,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-09 05:13:07,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 558. [2024-11-09 05:13:07,549 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) [2024-11-09 05:13:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 642 transitions. [2024-11-09 05:13:07,553 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 642 transitions. Word has length 111 [2024-11-09 05:13:07,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:07,553 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 642 transitions. [2024-11-09 05:13:07,553 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) [2024-11-09 05:13:07,554 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 642 transitions. [2024-11-09 05:13:07,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 05:13:07,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:07,558 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] [2024-11-09 05:13:07,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 05:13:07,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:07,759 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:13:07,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:07,759 INFO L85 PathProgramCache]: Analyzing trace with hash 181482471, now seen corresponding path program 1 times [2024-11-09 05:13:07,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:07,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804928888] [2024-11-09 05:13:07,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:07,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:07,919 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 05:13:07,920 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:07,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804928888] [2024-11-09 05:13:07,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804928888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:07,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:13:07,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 05:13:07,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125686800] [2024-11-09 05:13:07,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:07,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:13:07,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:07,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:13:07,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:13:07,925 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) [2024-11-09 05:13:08,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:08,172 INFO L93 Difference]: Finished difference Result 1317 states and 1516 transitions. [2024-11-09 05:13:08,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 05:13:08,173 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 [2024-11-09 05:13:08,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:08,177 INFO L225 Difference]: With dead ends: 1317 [2024-11-09 05:13:08,178 INFO L226 Difference]: Without dead ends: 850 [2024-11-09 05:13:08,179 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 [2024-11-09 05:13:08,180 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 [2024-11-09 05:13:08,180 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] [2024-11-09 05:13:08,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-09 05:13:08,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 816. [2024-11-09 05:13:08,322 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) [2024-11-09 05:13:08,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 936 transitions. [2024-11-09 05:13:08,327 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 936 transitions. Word has length 112 [2024-11-09 05:13:08,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:08,328 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 936 transitions. [2024-11-09 05:13:08,328 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) [2024-11-09 05:13:08,329 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 936 transitions. [2024-11-09 05:13:08,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 05:13:08,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:08,330 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] [2024-11-09 05:13:08,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 05:13:08,331 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:13:08,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:08,331 INFO L85 PathProgramCache]: Analyzing trace with hash -775445912, now seen corresponding path program 1 times [2024-11-09 05:13:08,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:08,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932099609] [2024-11-09 05:13:08,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:08,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 05:13:08,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:08,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932099609] [2024-11-09 05:13:08,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932099609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:08,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:13:08,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:13:08,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277166226] [2024-11-09 05:13:08,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:08,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:13:08,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:08,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:13:08,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:13:08,396 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) [2024-11-09 05:13:08,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:08,659 INFO L93 Difference]: Finished difference Result 1540 states and 1794 transitions. [2024-11-09 05:13:08,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:13:08,660 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 [2024-11-09 05:13:08,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:08,666 INFO L225 Difference]: With dead ends: 1540 [2024-11-09 05:13:08,666 INFO L226 Difference]: Without dead ends: 815 [2024-11-09 05:13:08,668 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 [2024-11-09 05:13:08,669 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:08,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 179 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:13:08,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-09 05:13:08,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 808. [2024-11-09 05:13:08,814 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) [2024-11-09 05:13:08,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 909 transitions. [2024-11-09 05:13:08,819 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 909 transitions. Word has length 112 [2024-11-09 05:13:08,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:08,820 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 909 transitions. [2024-11-09 05:13:08,820 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) [2024-11-09 05:13:08,820 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 909 transitions. [2024-11-09 05:13:08,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 05:13:08,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:08,822 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] [2024-11-09 05:13:08,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 05:13:08,823 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:13:08,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:08,823 INFO L85 PathProgramCache]: Analyzing trace with hash 210307751, now seen corresponding path program 1 times [2024-11-09 05:13:08,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:08,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127178089] [2024-11-09 05:13:08,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:08,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:13:09,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:09,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127178089] [2024-11-09 05:13:09,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127178089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:13:09,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298519529] [2024-11-09 05:13:09,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:09,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:09,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:13:09,802 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:13:09,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:13:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:09,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 05:13:09,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:13:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:13:10,411 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:13:10,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298519529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:10,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:13:10,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [21] total 29 [2024-11-09 05:13:10,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705504883] [2024-11-09 05:13:10,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:10,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 05:13:10,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:10,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 05:13:10,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=698, Unknown=0, NotChecked=0, Total=812 [2024-11-09 05:13:10,414 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) [2024-11-09 05:13:11,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:11,165 INFO L93 Difference]: Finished difference Result 1866 states and 2110 transitions. [2024-11-09 05:13:11,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:13:11,166 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 [2024-11-09 05:13:11,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:11,173 INFO L225 Difference]: With dead ends: 1866 [2024-11-09 05:13:11,174 INFO L226 Difference]: Without dead ends: 1151 [2024-11-09 05:13:11,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=208, Invalid=982, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:13:11,177 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:11,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 464 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:13:11,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2024-11-09 05:13:11,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1061. [2024-11-09 05:13:11,376 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) [2024-11-09 05:13:11,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1191 transitions. [2024-11-09 05:13:11,382 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1191 transitions. Word has length 113 [2024-11-09 05:13:11,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:11,383 INFO L471 AbstractCegarLoop]: Abstraction has 1061 states and 1191 transitions. [2024-11-09 05:13:11,383 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) [2024-11-09 05:13:11,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1191 transitions. [2024-11-09 05:13:11,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 05:13:11,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:11,385 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] [2024-11-09 05:13:11,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 05:13:11,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:11,589 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:13:11,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:11,590 INFO L85 PathProgramCache]: Analyzing trace with hash 647685617, now seen corresponding path program 1 times [2024-11-09 05:13:11,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:11,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757953068] [2024-11-09 05:13:11,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:11,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:12,024 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 05:13:12,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:12,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757953068] [2024-11-09 05:13:12,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757953068] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:13:12,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108012444] [2024-11-09 05:13:12,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:12,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:12,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:13:12,027 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:13:12,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 05:13:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:12,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 05:13:12,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:13:12,254 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 05:13:12,254 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:13:12,474 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 05:13:12,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108012444] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 05:13:12,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:13:12,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14, 8] total 20 [2024-11-09 05:13:12,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136254190] [2024-11-09 05:13:12,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:12,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:13:12,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:12,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:13:12,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2024-11-09 05:13:12,478 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) [2024-11-09 05:13:13,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:13,118 INFO L93 Difference]: Finished difference Result 2307 states and 2635 transitions. [2024-11-09 05:13:13,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 05:13:13,118 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 [2024-11-09 05:13:13,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:13,130 INFO L225 Difference]: With dead ends: 2307 [2024-11-09 05:13:13,130 INFO L226 Difference]: Without dead ends: 1339 [2024-11-09 05:13:13,133 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 [2024-11-09 05:13:13,137 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 138 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-09 05:13:13,137 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] [2024-11-09 05:13:13,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-11-09 05:13:13,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1067. [2024-11-09 05:13:13,369 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) [2024-11-09 05:13:13,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1213 transitions. [2024-11-09 05:13:13,376 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1213 transitions. Word has length 114 [2024-11-09 05:13:13,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:13,377 INFO L471 AbstractCegarLoop]: Abstraction has 1067 states and 1213 transitions. [2024-11-09 05:13:13,377 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) [2024-11-09 05:13:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1213 transitions. [2024-11-09 05:13:13,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:13:13,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:13,380 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] [2024-11-09 05:13:13,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 05:13:13,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:13,584 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:13:13,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:13,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1234843828, now seen corresponding path program 1 times [2024-11-09 05:13:13,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:13,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585466834] [2024-11-09 05:13:13,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:13,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:14,636 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 25 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 05:13:14,636 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:14,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585466834] [2024-11-09 05:13:14,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585466834] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:13:14,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115950277] [2024-11-09 05:13:14,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:14,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:14,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:13:14,639 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:13:14,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 05:13:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:14,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 05:13:14,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:13:15,603 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 05:13:15,603 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:13:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 13 proven. 38 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 05:13:17,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115950277] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:13:17,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1147135128] [2024-11-09 05:13:17,063 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2024-11-09 05:13:17,063 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:13:17,064 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:13:17,064 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:13:17,064 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:13:24,794 INFO L197 IcfgInterpreter]: Interpreting procedure error with input of size 46 for LOIs [2024-11-09 05:13:24,802 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events with input of size 119 for LOIs [2024-11-09 05:13:24,875 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events with input of size 77 for LOIs [2024-11-09 05:13:24,905 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels with input of size 9 for LOIs [2024-11-09 05:13:24,911 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread with input of size 1 for LOIs [2024-11-09 05:13:24,913 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads with input of size 83 for LOIs [2024-11-09 05:13:25,100 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_write_p_triggered with input of size 84 for LOIs [2024-11-09 05:13:25,244 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_read_c_triggered with input of size 23 for LOIs [2024-11-09 05:13:25,275 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:13:33,608 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 [2024-11-09 05:13:33,608 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:13:33,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:13:33,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 16] total 48 [2024-11-09 05:13:33,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551806073] [2024-11-09 05:13:33,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:13:33,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-09 05:13:33,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:33,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-09 05:13:33,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=757, Invalid=8363, Unknown=0, NotChecked=0, Total=9120 [2024-11-09 05:13:33,615 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) [2024-11-09 05:13:42,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:42,336 INFO L93 Difference]: Finished difference Result 3673 states and 4264 transitions. [2024-11-09 05:13:42,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-11-09 05:13:42,337 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 [2024-11-09 05:13:42,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:42,350 INFO L225 Difference]: With dead ends: 3673 [2024-11-09 05:13:42,350 INFO L226 Difference]: Without dead ends: 2799 [2024-11-09 05:13:42,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 314 SyntacticMatches, 16 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 22592 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=6316, Invalid=47276, Unknown=0, NotChecked=0, Total=53592 [2024-11-09 05:13:42,364 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 2905 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 2852 mSolverCounterSat, 1747 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:42,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2905 Valid, 1513 Invalid, 4599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1747 Valid, 2852 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-09 05:13:42,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2799 states. [2024-11-09 05:13:42,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2799 to 1467. [2024-11-09 05:13:42,754 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) [2024-11-09 05:13:42,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 1667 transitions. [2024-11-09 05:13:42,771 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 1667 transitions. Word has length 123 [2024-11-09 05:13:42,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:42,774 INFO L471 AbstractCegarLoop]: Abstraction has 1467 states and 1667 transitions. [2024-11-09 05:13:42,775 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) [2024-11-09 05:13:42,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1667 transitions. [2024-11-09 05:13:42,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 05:13:42,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:42,780 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] [2024-11-09 05:13:42,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 05:13:42,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 05:13:42,984 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:13:42,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:42,984 INFO L85 PathProgramCache]: Analyzing trace with hash 16273509, now seen corresponding path program 1 times [2024-11-09 05:13:42,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:42,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252209028] [2024-11-09 05:13:42,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:42,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:43,233 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 05:13:43,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:43,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252209028] [2024-11-09 05:13:43,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252209028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:13:43,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827845535] [2024-11-09 05:13:43,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:43,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:43,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:13:43,236 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:13:43,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 05:13:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:43,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 05:13:43,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:13:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 50 proven. 17 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 05:13:43,470 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:13:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 05:13:43,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827845535] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 05:13:43,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:13:43,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 10] total 17 [2024-11-09 05:13:43,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861288716] [2024-11-09 05:13:43,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:43,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 05:13:43,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:43,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 05:13:43,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-09 05:13:43,670 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) [2024-11-09 05:13:44,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:44,223 INFO L93 Difference]: Finished difference Result 2200 states and 2498 transitions. [2024-11-09 05:13:44,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 05:13:44,224 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 [2024-11-09 05:13:44,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:44,230 INFO L225 Difference]: With dead ends: 2200 [2024-11-09 05:13:44,231 INFO L226 Difference]: Without dead ends: 952 [2024-11-09 05:13:44,233 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 [2024-11-09 05:13:44,234 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 [2024-11-09 05:13:44,234 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] [2024-11-09 05:13:44,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2024-11-09 05:13:44,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 676. [2024-11-09 05:13:44,407 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) [2024-11-09 05:13:44,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 751 transitions. [2024-11-09 05:13:44,412 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 751 transitions. Word has length 124 [2024-11-09 05:13:44,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:44,413 INFO L471 AbstractCegarLoop]: Abstraction has 676 states and 751 transitions. [2024-11-09 05:13:44,413 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) [2024-11-09 05:13:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 751 transitions. [2024-11-09 05:13:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-09 05:13:44,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:44,417 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] [2024-11-09 05:13:44,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 05:13:44,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 05:13:44,621 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:13:44,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:44,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1351116406, now seen corresponding path program 1 times [2024-11-09 05:13:44,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:44,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648454450] [2024-11-09 05:13:44,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:44,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:45,167 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 25 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-09 05:13:45,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:45,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648454450] [2024-11-09 05:13:45,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648454450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:13:45,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954031336] [2024-11-09 05:13:45,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:45,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:45,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:13:45,171 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:13:45,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 05:13:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:45,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 05:13:45,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:13:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 88 proven. 122 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 05:13:46,237 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:13:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 82 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 05:13:47,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954031336] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:13:47,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [592903835] [2024-11-09 05:13:47,546 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-09 05:13:47,546 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:13:47,546 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:13:47,547 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:13:47,547 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:13:53,583 INFO L197 IcfgInterpreter]: Interpreting procedure error with input of size 19 for LOIs [2024-11-09 05:13:53,585 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events with input of size 109 for LOIs [2024-11-09 05:13:53,638 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events with input of size 69 for LOIs [2024-11-09 05:13:53,652 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels with input of size 80 for LOIs [2024-11-09 05:13:53,675 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread with input of size 1 for LOIs [2024-11-09 05:13:53,677 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads with input of size 75 for LOIs [2024-11-09 05:13:53,771 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_write_p_triggered with input of size 69 for LOIs [2024-11-09 05:13:53,804 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_read_c_triggered with input of size 16 for LOIs [2024-11-09 05:13:53,824 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:13:58,698 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 [2024-11-09 05:13:58,698 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:13:58,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:13:58,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 16] total 39 [2024-11-09 05:13:58,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234308828] [2024-11-09 05:13:58,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:13:58,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-09 05:13:58,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:58,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-09 05:13:58,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=6430, Unknown=0, NotChecked=0, Total=6972 [2024-11-09 05:13:58,702 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) [2024-11-09 05:14:03,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:14:03,328 INFO L93 Difference]: Finished difference Result 1628 states and 1842 transitions. [2024-11-09 05:14:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-09 05:14:03,329 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 [2024-11-09 05:14:03,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:14:03,331 INFO L225 Difference]: With dead ends: 1628 [2024-11-09 05:14:03,331 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:14:03,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 475 SyntacticMatches, 19 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7016 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=2186, Invalid=19570, Unknown=0, NotChecked=0, Total=21756 [2024-11-09 05:14:03,336 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 2300 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 1848 mSolverCounterSat, 1441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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 [2024-11-09 05:14:03,336 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] [2024-11-09 05:14:03,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:14:03,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:14:03,337 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) [2024-11-09 05:14:03,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:14:03,340 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2024-11-09 05:14:03,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:14:03,340 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:14:03,340 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) [2024-11-09 05:14:03,341 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:14:03,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:14:03,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:14:03,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 05:14:03,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 05:14:03,547 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:14:03,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:15:17,175 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:15:17,217 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,219 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,220 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,220 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,220 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,221 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,221 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,221 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,221 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,221 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,222 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,222 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,222 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,222 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,222 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,222 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,222 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,223 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,223 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,223 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,223 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,223 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,229 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,229 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,230 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,230 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,230 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,230 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,231 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,231 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,231 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,232 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,232 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,232 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,232 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,232 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,233 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,233 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,233 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,233 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,233 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,239 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,239 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,239 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,239 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,240 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,240 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,240 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,240 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,240 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,240 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,240 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,241 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,241 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,241 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,241 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,241 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,241 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,248 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,249 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,249 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,250 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,250 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,250 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,250 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,250 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,251 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,255 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,255 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,255 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,256 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,256 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,256 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,256 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,256 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,256 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,256 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,257 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,257 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,257 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,264 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,265 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,265 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,266 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,266 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,266 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,270 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,270 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,270 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,270 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,271 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,271 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,271 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,271 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,271 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,271 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,272 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,272 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,272 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,272 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,272 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,272 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,310 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))))) [2024-11-09 05:15:17,338 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,339 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,339 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,339 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,340 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,340 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,340 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,340 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,340 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,341 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,341 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,341 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,341 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,341 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,342 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,342 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,342 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,342 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,342 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,342 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,343 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,343 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,344 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,344 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,344 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,344 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,345 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,345 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,345 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,345 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,348 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,348 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,435 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,437 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,437 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,437 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,443 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,443 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,443 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,443 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,444 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,444 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,444 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,444 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,444 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,446 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,446 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,446 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,446 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,507 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,507 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,508 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,508 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,508 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,508 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,509 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,509 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,509 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,509 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,509 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,510 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,510 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,510 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,510 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,510 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,511 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,511 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,511 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,511 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,511 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,512 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,512 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,512 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,545 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))) [2024-11-09 05:15:17,580 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,580 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,581 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,581 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,581 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,581 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,581 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,582 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,582 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,582 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,582 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,584 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,584 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,584 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,584 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,585 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,585 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,585 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,585 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,586 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,586 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,586 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,586 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,587 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,587 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,587 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,587 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,587 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,587 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,588 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,588 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,588 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,588 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,588 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,588 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,589 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,620 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))))) [2024-11-09 05:15:17,667 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,667 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,667 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,667 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,668 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,668 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,668 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,668 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,668 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,669 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,669 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,669 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,669 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,669 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,669 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,670 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,670 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,670 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,670 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,670 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,670 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,671 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,671 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,671 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,671 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,671 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,672 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,672 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,672 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,672 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,672 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,673 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,673 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,673 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,673 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,673 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,673 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,674 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,674 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,674 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,674 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,674 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,712 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)))) [2024-11-09 05:15:17,747 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,748 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,748 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,748 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,749 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,749 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,749 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,749 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,749 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,750 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,750 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,750 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,750 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,750 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,750 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,751 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,751 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,751 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,751 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,751 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,751 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,752 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,752 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,752 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,752 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,752 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,753 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,753 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,753 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,753 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,753 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,754 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,754 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,754 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,754 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,754 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,808 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,809 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,809 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,809 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,809 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,810 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,810 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,810 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,810 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,810 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,811 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,811 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,811 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,811 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,811 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,811 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,811 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,811 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,812 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,812 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,813 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:15:17,816 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,816 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,816 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,816 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,817 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,817 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,817 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:15:17,817 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:15:17,817 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,817 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,817 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:15:17,818 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:15:17,818 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,818 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,818 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,819 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:15:17,819 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:15:17,819 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:15:17,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:15:17 BoogieIcfgContainer [2024-11-09 05:15:17,821 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:15:17,822 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:15:17,822 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:15:17,822 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:15:17,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:12:38" (3/4) ... [2024-11-09 05:15:17,827 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:15:17,831 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_threads [2024-11-09 05:15:17,832 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure exists_runnable_thread [2024-11-09 05:15:17,832 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure is_do_read_c_triggered [2024-11-09 05:15:17,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fire_delta_events [2024-11-09 05:15:17,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure update_channels [2024-11-09 05:15:17,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reset_delta_events [2024-11-09 05:15:17,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure is_do_write_p_triggered [2024-11-09 05:15:17,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure error [2024-11-09 05:15:17,847 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-09 05:15:17,848 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 05:15:17,849 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 05:15:17,849 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:15:17,878 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)))) [2024-11-09 05:15:17,927 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)))) [2024-11-09 05:15:18,000 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:15:18,000 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:15:18,000 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:15:18,001 INFO L158 Benchmark]: Toolchain (without parser) took 160326.19ms. Allocated memory was 119.5MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 75.9MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 316.9MB. Max. memory is 16.1GB. [2024-11-09 05:15:18,001 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 82.4MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:15:18,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.52ms. Allocated memory is still 119.5MB. Free memory was 75.9MB in the beginning and 60.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:15:18,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.82ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 60.8MB in the beginning and 139.0MB in the end (delta: -78.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-11-09 05:15:18,005 INFO L158 Benchmark]: Boogie Preprocessor took 44.08ms. Allocated memory is still 167.8MB. Free memory was 139.0MB in the beginning and 137.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:15:18,005 INFO L158 Benchmark]: RCFGBuilder took 748.92ms. Allocated memory is still 167.8MB. Free memory was 137.2MB in the beginning and 112.7MB in the end (delta: 24.5MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-11-09 05:15:18,006 INFO L158 Benchmark]: TraceAbstraction took 158942.11ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 111.7MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-09 05:15:18,006 INFO L158 Benchmark]: Witness Printer took 178.11ms. Allocated memory is still 1.8GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 05:15:18,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 82.4MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.52ms. Allocated memory is still 119.5MB. Free memory was 75.9MB in the beginning and 60.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.82ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 60.8MB in the beginning and 139.0MB in the end (delta: -78.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.08ms. Allocated memory is still 167.8MB. Free memory was 139.0MB in the beginning and 137.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 748.92ms. Allocated memory is still 167.8MB. Free memory was 137.2MB in the beginning and 112.7MB in the end (delta: 24.5MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * TraceAbstraction took 158942.11ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 111.7MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 178.11ms. Allocated memory is still 1.8GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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: 84.6s, OverallIterations: 18, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 25.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7546 SdHoareTripleChecker+Valid, 9.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7519 mSDsluCounter, 8034 SdHoareTripleChecker+Invalid, 8.0s 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, 35.7s 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: 2.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 2770 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 12.2s 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: 1.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 53, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 58, TOOLS_POST_TIME: 0.7s, TOOLS_POST_CALL_APPLICATIONS: 25, TOOLS_POST_CALL_TIME: 0.4s, TOOLS_POST_RETURN_APPLICATIONS: 18, TOOLS_POST_RETURN_TIME: 0.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 101, TOOLS_QUANTIFIERELIM_TIME: 1.3s, 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! [2024-11-09 05:15:18,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7a0e47-a974-437d-b04e-2e7609c8b5bb/bin/utaipan-verify-YMUCfTKeje/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