./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ --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 e66fe5eb90acc3593adc287e36d23065dfefbc6990eac560131acb70e1e7dcec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:14:51,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:14:52,068 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:14:52,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:14:52,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:14:52,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:14:52,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:14:52,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:14:52,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:14:52,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:14:52,106 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:14:52,107 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:14:52,107 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:14:52,108 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:14:52,108 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:14:52,109 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:14:52,110 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:14:52,110 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:14:52,111 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:14:52,111 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:14:52,112 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:14:52,113 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:14:52,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:14:52,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:14:52,115 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:14:52,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:14:52,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:14:52,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:14:52,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:14:52,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:14:52,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:14:52,118 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:14:52,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:14:52,119 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:14:52,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:14:52,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:14:52,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:52,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:14:52,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:14:52,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:14:52,120 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:14:52,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:14:52,121 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:14:52,121 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:14:52,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:14:52,122 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_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e66fe5eb90acc3593adc287e36d23065dfefbc6990eac560131acb70e1e7dcec [2023-11-19 05:14:52,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:14:52,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:14:52,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:14:52,375 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:14:52,376 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:14:52,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c [2023-11-19 05:14:55,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:14:55,787 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:14:55,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c [2023-11-19 05:14:55,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/data/1fcbf8498/28c2dcf484b2469793ff16d34056e3b7/FLAG7a8548700 [2023-11-19 05:14:55,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/data/1fcbf8498/28c2dcf484b2469793ff16d34056e3b7 [2023-11-19 05:14:55,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:14:55,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:14:55,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:55,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:14:55,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:14:55,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:55" (1/1) ... [2023-11-19 05:14:55,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec3b61f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:55, skipping insertion in model container [2023-11-19 05:14:55,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:55" (1/1) ... [2023-11-19 05:14:55,939 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:14:56,125 WARN L240 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_13ee155f-97c9-4536-a8b3-e488092f5a9f/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c[914,927] [2023-11-19 05:14:56,189 WARN L240 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_13ee155f-97c9-4536-a8b3-e488092f5a9f/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c[7125,7138] [2023-11-19 05:14:56,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:56,381 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:14:56,394 WARN L240 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_13ee155f-97c9-4536-a8b3-e488092f5a9f/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c[914,927] [2023-11-19 05:14:56,415 WARN L240 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_13ee155f-97c9-4536-a8b3-e488092f5a9f/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c[7125,7138] [2023-11-19 05:14:56,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:56,513 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:14:56,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:56 WrapperNode [2023-11-19 05:14:56,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:56,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:56,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:14:56,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:14:56,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:56" (1/1) ... [2023-11-19 05:14:56,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:56" (1/1) ... [2023-11-19 05:14:56,620 INFO L138 Inliner]: procedures = 79, calls = 97, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1131 [2023-11-19 05:14:56,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:56,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:14:56,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:14:56,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:14:56,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:56" (1/1) ... [2023-11-19 05:14:56,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:56" (1/1) ... [2023-11-19 05:14:56,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:56" (1/1) ... [2023-11-19 05:14:56,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:56" (1/1) ... [2023-11-19 05:14:56,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:56" (1/1) ... [2023-11-19 05:14:56,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:56" (1/1) ... [2023-11-19 05:14:56,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:56" (1/1) ... [2023-11-19 05:14:56,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:56" (1/1) ... [2023-11-19 05:14:56,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:14:56,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:14:56,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:14:56,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:14:56,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:56" (1/1) ... [2023-11-19 05:14:56,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:56,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:56,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:14:56,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:14:56,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:14:56,796 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 05:14:56,796 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 05:14:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-19 05:14:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-19 05:14:56,799 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-19 05:14:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-19 05:14:56,800 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-19 05:14:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-19 05:14:56,800 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-19 05:14:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-19 05:14:56,801 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-19 05:14:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-19 05:14:56,801 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-19 05:14:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-19 05:14:56,802 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-19 05:14:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-19 05:14:56,803 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-19 05:14:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-19 05:14:56,804 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-19 05:14:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-19 05:14:56,804 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-19 05:14:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-19 05:14:56,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:14:56,806 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-19 05:14:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-19 05:14:56,807 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-19 05:14:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-19 05:14:56,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:14:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:14:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-19 05:14:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-19 05:14:57,026 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:14:57,030 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:14:58,020 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:14:58,699 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:14:58,699 INFO L302 CfgBuilder]: Removed 20 assume(true) statements. [2023-11-19 05:14:58,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:58 BoogieIcfgContainer [2023-11-19 05:14:58,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:14:58,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:14:58,711 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:14:58,714 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:14:58,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:14:55" (1/3) ... [2023-11-19 05:14:58,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659a83af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:58, skipping insertion in model container [2023-11-19 05:14:58,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:56" (2/3) ... [2023-11-19 05:14:58,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659a83af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:58, skipping insertion in model container [2023-11-19 05:14:58,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:58" (3/3) ... [2023-11-19 05:14:58,717 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2+token_ring.13.cil-2.c [2023-11-19 05:14:58,737 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:14:58,737 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 05:14:58,807 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:14:58,816 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@44a33e87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:14:58,816 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 05:14:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 286 states, 227 states have (on average 1.5110132158590308) internal successors, (343), 234 states have internal predecessors, (343), 42 states have call successors, (42), 14 states have call predecessors, (42), 14 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-19 05:14:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 05:14:58,832 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:58,833 INFO L195 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] [2023-11-19 05:14:58,834 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:58,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:58,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1902464668, now seen corresponding path program 1 times [2023-11-19 05:14:58,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:14:58,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916638195] [2023-11-19 05:14:58,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:58,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:14:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:59,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:14:59,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:14:59,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916638195] [2023-11-19 05:14:59,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916638195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:59,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:59,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:14:59,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510560741] [2023-11-19 05:14:59,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:59,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:14:59,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:14:59,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:14:59,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:14:59,379 INFO L87 Difference]: Start difference. First operand has 286 states, 227 states have (on average 1.5110132158590308) internal successors, (343), 234 states have internal predecessors, (343), 42 states have call successors, (42), 14 states have call predecessors, (42), 14 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2023-11-19 05:14:59,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:59,996 INFO L93 Difference]: Finished difference Result 624 states and 927 transitions. [2023-11-19 05:14:59,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:14:59,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 40 [2023-11-19 05:14:59,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:15:00,013 INFO L225 Difference]: With dead ends: 624 [2023-11-19 05:15:00,014 INFO L226 Difference]: Without dead ends: 342 [2023-11-19 05:15:00,020 INFO L412 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 [2023-11-19 05:15:00,024 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 475 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:15:00,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 706 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 05:15:00,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-11-19 05:15:00,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 334. [2023-11-19 05:15:00,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 262 states have (on average 1.4351145038167938) internal successors, (376), 267 states have internal predecessors, (376), 50 states have call successors, (50), 21 states have call predecessors, (50), 20 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-19 05:15:00,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 473 transitions. [2023-11-19 05:15:00,117 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 473 transitions. Word has length 40 [2023-11-19 05:15:00,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:15:00,118 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 473 transitions. [2023-11-19 05:15:00,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2023-11-19 05:15:00,118 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 473 transitions. [2023-11-19 05:15:00,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 05:15:00,121 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:00,121 INFO L195 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] [2023-11-19 05:15:00,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:15:00,122 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:15:00,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:00,123 INFO L85 PathProgramCache]: Analyzing trace with hash 719984997, now seen corresponding path program 1 times [2023-11-19 05:15:00,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:00,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282794558] [2023-11-19 05:15:00,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:00,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:00,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:15:00,369 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:15:00,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282794558] [2023-11-19 05:15:00,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282794558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:00,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:00,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:15:00,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230881527] [2023-11-19 05:15:00,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:00,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:15:00,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:15:00,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:15:00,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:15:00,381 INFO L87 Difference]: Start difference. First operand 334 states and 473 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-19 05:15:01,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:15:01,254 INFO L93 Difference]: Finished difference Result 742 states and 982 transitions. [2023-11-19 05:15:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 05:15:01,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 40 [2023-11-19 05:15:01,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:15:01,264 INFO L225 Difference]: With dead ends: 742 [2023-11-19 05:15:01,265 INFO L226 Difference]: Without dead ends: 609 [2023-11-19 05:15:01,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:15:01,268 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 969 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:15:01,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [973 Valid, 1186 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 05:15:01,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2023-11-19 05:15:01,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 519. [2023-11-19 05:15:01,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 393 states have (on average 1.3587786259541985) internal successors, (534), 399 states have internal predecessors, (534), 77 states have call successors, (77), 44 states have call predecessors, (77), 47 states have return successors, (78), 77 states have call predecessors, (78), 74 states have call successors, (78) [2023-11-19 05:15:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 689 transitions. [2023-11-19 05:15:01,361 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 689 transitions. Word has length 40 [2023-11-19 05:15:01,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:15:01,361 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 689 transitions. [2023-11-19 05:15:01,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-19 05:15:01,362 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 689 transitions. [2023-11-19 05:15:01,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 05:15:01,370 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:01,371 INFO L195 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] [2023-11-19 05:15:01,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:15:01,375 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:15:01,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:01,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1381318788, now seen corresponding path program 1 times [2023-11-19 05:15:01,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:01,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770797797] [2023-11-19 05:15:01,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:01,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:15:01,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:15:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:15:01,523 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:15:01,523 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:15:01,525 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-19 05:15:01,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-19 05:15:01,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:15:01,530 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 05:15:01,535 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:15:01,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-19 05:15:01,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated [2023-11-19 05:15:01,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret10 could not be translated [2023-11-19 05:15:01,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:15:01 BoogieIcfgContainer [2023-11-19 05:15:01,738 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:15:01,739 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:15:01,739 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:15:01,739 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:15:01,740 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:58" (3/4) ... [2023-11-19 05:15:01,741 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 05:15:01,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-19 05:15:01,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated [2023-11-19 05:15:01,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret10 could not be translated [2023-11-19 05:15:01,861 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:15:01,861 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:15:01,862 INFO L158 Benchmark]: Toolchain (without parser) took 6019.89ms. Allocated memory was 209.7MB in the beginning and 266.3MB in the end (delta: 56.6MB). Free memory was 162.7MB in the beginning and 208.2MB in the end (delta: -45.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-19 05:15:01,863 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory was 77.8MB in the beginning and 77.6MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:15:01,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.57ms. Allocated memory is still 209.7MB. Free memory was 162.3MB in the beginning and 133.6MB in the end (delta: 28.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 05:15:01,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.26ms. Allocated memory is still 209.7MB. Free memory was 133.6MB in the beginning and 128.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:15:01,864 INFO L158 Benchmark]: Boogie Preprocessor took 78.28ms. Allocated memory is still 209.7MB. Free memory was 128.7MB in the beginning and 124.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:15:01,864 INFO L158 Benchmark]: RCFGBuilder took 2007.58ms. Allocated memory is still 209.7MB. Free memory was 123.6MB in the beginning and 132.9MB in the end (delta: -9.4MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2023-11-19 05:15:01,864 INFO L158 Benchmark]: TraceAbstraction took 3027.38ms. Allocated memory was 209.7MB in the beginning and 266.3MB in the end (delta: 56.6MB). Free memory was 131.9MB in the beginning and 219.8MB in the end (delta: -87.9MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. [2023-11-19 05:15:01,865 INFO L158 Benchmark]: Witness Printer took 122.05ms. Allocated memory is still 266.3MB. Free memory was 219.8MB in the beginning and 208.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 05:15:01,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory was 77.8MB in the beginning and 77.6MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.57ms. Allocated memory is still 209.7MB. Free memory was 162.3MB in the beginning and 133.6MB in the end (delta: 28.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.26ms. Allocated memory is still 209.7MB. Free memory was 133.6MB in the beginning and 128.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.28ms. Allocated memory is still 209.7MB. Free memory was 128.7MB in the beginning and 124.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2007.58ms. Allocated memory is still 209.7MB. Free memory was 123.6MB in the beginning and 132.9MB in the end (delta: -9.4MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3027.38ms. Allocated memory was 209.7MB in the beginning and 266.3MB in the end (delta: 56.6MB). Free memory was 131.9MB in the beginning and 219.8MB in the end (delta: -87.9MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. * Witness Printer took 122.05ms. Allocated memory is still 266.3MB. Free memory was 219.8MB in the beginning and 208.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret10 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret10 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 28]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L33] int q_buf_0 ; [L34] int q_free ; [L35] int q_read_ev ; [L36] int q_write_ev ; [L37] int q_req_up ; [L38] int q_ev ; [L59] int p_num_write ; [L60] int p_last_write ; [L61] int p_dw_st ; [L62] int p_dw_pc ; [L63] int p_dw_i ; [L64] int c_num_read ; [L65] int c_last_read ; [L66] int c_dr_st ; [L67] int c_dr_pc ; [L68] int c_dr_i ; [L172] static int a_t ; [L500] int m_pc = 0; [L501] int t1_pc = 0; [L502] int t2_pc = 0; [L503] int t3_pc = 0; [L504] int t4_pc = 0; [L505] int t5_pc = 0; [L506] int t6_pc = 0; [L507] int t7_pc = 0; [L508] int t8_pc = 0; [L509] int t9_pc = 0; [L510] int t10_pc = 0; [L511] int t11_pc = 0; [L512] int t12_pc = 0; [L513] int t13_pc = 0; [L514] int m_st ; [L515] int t1_st ; [L516] int t2_st ; [L517] int t3_st ; [L518] int t4_st ; [L519] int t5_st ; [L520] int t6_st ; [L521] int t7_st ; [L522] int t8_st ; [L523] int t9_st ; [L524] int t10_st ; [L525] int t11_st ; [L526] int t12_st ; [L527] int t13_st ; [L528] int m_i ; [L529] int t1_i ; [L530] int t2_i ; [L531] int t3_i ; [L532] int t4_i ; [L533] int t5_i ; [L534] int t6_i ; [L535] int t7_i ; [L536] int t8_i ; [L537] int t9_i ; [L538] int t10_i ; [L539] int t11_i ; [L540] int t12_i ; [L541] int t13_i ; [L542] int M_E = 2; [L543] int T1_E = 2; [L544] int T2_E = 2; [L545] int T3_E = 2; [L546] int T4_E = 2; [L547] int T5_E = 2; [L548] int T6_E = 2; [L549] int T7_E = 2; [L550] int T8_E = 2; [L551] int T9_E = 2; [L552] int T10_E = 2; [L553] int T11_E = 2; [L554] int T12_E = 2; [L555] int T13_E = 2; [L556] int E_M = 2; [L557] int E_1 = 2; [L558] int E_2 = 2; [L559] int E_3 = 2; [L560] int E_4 = 2; [L561] int E_5 = 2; [L562] int E_6 = 2; [L563] int E_7 = 2; [L564] int E_8 = 2; [L565] int E_9 = 2; [L566] int E_10 = 2; [L567] int E_11 = 2; [L568] int E_12 = 2; [L569] int E_13 = 2; [L585] int token ; [L587] int local ; [L2462] COND TRUE __VERIFIER_nondet_int() [L2463] CALL main1() [L474] int __retres1 ; [L478] CALL init_model1() [L460] q_free = 1 [L461] q_write_ev = 2 [L462] q_read_ev = q_write_ev [L463] p_num_write = 0 [L464] p_dw_pc = 0 [L465] p_dw_i = 1 [L466] c_num_read = 0 [L467] c_dr_pc = 0 [L468] c_dr_i = 1 [L478] RET init_model1() [L479] CALL start_simulation1() [L414] int kernel_st ; [L415] int tmp ; [L419] kernel_st = 0 VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L420] CALL update_channels1() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(q_ev)=0, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L230] COND FALSE !((int )q_req_up == 1) [L420] RET update_channels1() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L421] CALL init_threads1() [L245] COND TRUE (int )p_dw_i == 1 [L246] p_dw_st = 0 [L250] COND TRUE (int )c_dr_i == 1 [L251] c_dr_st = 0 [L421] RET init_threads1() [L422] CALL fire_delta_events1() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L283] COND FALSE !((int )q_read_ev == 0) [L288] COND FALSE !((int )q_write_ev == 0) [L422] RET fire_delta_events1() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L423] CALL activate_threads1() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L316] int tmp ; [L317] int tmp___0 ; VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L321] CALL, EXPR is_do_write_p_triggered() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L70] int __retres1 ; VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L73] COND FALSE !((int )p_dw_pc == 1) VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L83] __retres1 = 0 VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(c_dr_st)=0, \old(p_dw_st)=0, __retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L85] return (__retres1); [L321] RET, EXPR is_do_write_p_triggered() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L321] tmp = is_do_write_p_triggered() [L323] COND FALSE !(\read(tmp)) VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, tmp=0, token=0] [L329] CALL, EXPR is_do_read_c_triggered() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L89] int __retres1 ; VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L92] COND FALSE !((int )c_dr_pc == 1) VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L102] __retres1 = 0 VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(c_dr_st)=0, \old(p_dw_st)=0, __retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L104] return (__retres1); [L329] RET, EXPR is_do_read_c_triggered() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, tmp=0, token=0] [L329] tmp___0 = is_do_read_c_triggered() [L331] COND FALSE !(\read(tmp___0)) [L423] RET activate_threads1() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L424] CALL reset_delta_events1() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L301] COND FALSE !((int )q_read_ev == 1) [L306] COND FALSE !((int )q_write_ev == 1) [L424] RET reset_delta_events1() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L427] COND TRUE 1 [L430] kernel_st = 1 [L431] CALL eval1() [L341] int tmp ; [L342] int tmp___0 ; [L343] int tmp___1 ; VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L347] COND TRUE 1 VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L350] CALL, EXPR exists_runnable_thread1() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L260] int __retres1 ; [L263] COND TRUE (int )p_dw_st == 0 [L264] __retres1 = 1 [L276] return (__retres1); [L350] RET, EXPR exists_runnable_thread1() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L350] tmp___1 = exists_runnable_thread1() [L352] COND TRUE \read(tmp___1) VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, tmp___1=1, token=0] [L357] COND TRUE (int )p_dw_st == 0 [L359] tmp = __VERIFIER_nondet_int() [L361] COND FALSE !(\read(tmp)) VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, tmp=0, tmp___1=1, token=0] [L367] CALL error1() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] [L28] reach_error() VAL [E_10=2, E_11=2, E_12=2, E_13=2, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_8=2, E_9=2, E_M=2, M_E=2, T10_E=2, T11_E=2, T12_E=2, T13_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, t10_i=0, t10_pc=0, t10_st=0, t11_i=0, t11_pc=0, t11_st=0, t12_i=0, t12_pc=0, t12_st=0, t13_i=0, t13_pc=0, t13_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, token=0] - UnprovableResult [Line: 496]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 286 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1448 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1444 mSDsluCounter, 1892 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1027 mSDsCounter, 294 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 904 IncrementalHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 294 mSolverCounterUnsat, 865 mSDtfsCounter, 904 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=519occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 98 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-19 05:15:01,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ee155f-97c9-4536-a8b3-e488092f5a9f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE