./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2 --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 d10d961b0039dc8700247ef3f425eca54baa7810b507915bf9a44d0387922dc2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:38:33,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:38:33,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:38:33,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:38:33,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:38:33,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:38:33,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:38:33,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:38:33,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:38:33,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:38:33,212 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:38:33,212 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:38:33,213 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:38:33,213 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:38:33,215 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:38:33,216 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:38:33,216 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:38:33,216 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:38:33,216 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:38:33,217 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:38:33,221 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:38:33,221 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:38:33,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:38:33,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:38:33,222 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:38:33,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:38:33,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:38:33,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:38:33,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:38:33,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:38:33,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:38:33,224 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:38:33,225 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:38:33,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:38:33,225 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:38:33,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:38:33,226 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:38:33,226 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:38:33,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:38:33,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:38:33,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:38:33,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:38:33,228 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:38:33,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:38:33,228 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:38:33,229 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:38:33,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:38:33,229 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_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d10d961b0039dc8700247ef3f425eca54baa7810b507915bf9a44d0387922dc2 [2024-11-02 12:38:33,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:38:33,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:38:33,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:38:33,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:38:33,555 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:38:33,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c Unable to find full path for "g++" [2024-11-02 12:38:35,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:38:35,835 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:38:35,835 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c [2024-11-02 12:38:35,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/data/69ed25e0b/4fd5ec90104146f9bba9792321837f14/FLAG9488493b1 [2024-11-02 12:38:36,127 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/data/69ed25e0b/4fd5ec90104146f9bba9792321837f14 [2024-11-02 12:38:36,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:38:36,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:38:36,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:38:36,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:38:36,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:38:36,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:38:36" (1/1) ... [2024-11-02 12:38:36,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5768ef90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:36, skipping insertion in model container [2024-11-02 12:38:36,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:38:36" (1/1) ... [2024-11-02 12:38:36,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:38:36,395 WARN L251 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_578429fb-9b5b-430c-9c4e-35fbd3803b2a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c[914,927] [2024-11-02 12:38:36,460 WARN L251 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_578429fb-9b5b-430c-9c4e-35fbd3803b2a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c[7125,7138] [2024-11-02 12:38:36,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:38:36,620 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:38:36,634 WARN L251 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_578429fb-9b5b-430c-9c4e-35fbd3803b2a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c[914,927] [2024-11-02 12:38:36,653 WARN L251 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_578429fb-9b5b-430c-9c4e-35fbd3803b2a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c[7125,7138] [2024-11-02 12:38:36,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:38:36,746 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:38:36,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:36 WrapperNode [2024-11-02 12:38:36,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:38:36,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:38:36,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:38:36,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:38:36,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:36" (1/1) ... [2024-11-02 12:38:36,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:36" (1/1) ... [2024-11-02 12:38:36,822 INFO L138 Inliner]: procedures = 75, calls = 91, calls flagged for inlining = 44, calls inlined = 44, statements flattened = 1009 [2024-11-02 12:38:36,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:38:36,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:38:36,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:38:36,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:38:36,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:36" (1/1) ... [2024-11-02 12:38:36,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:36" (1/1) ... [2024-11-02 12:38:36,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:36" (1/1) ... [2024-11-02 12:38:36,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:36" (1/1) ... [2024-11-02 12:38:36,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:36" (1/1) ... [2024-11-02 12:38:36,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:36" (1/1) ... [2024-11-02 12:38:36,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:36" (1/1) ... [2024-11-02 12:38:36,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:36" (1/1) ... [2024-11-02 12:38:36,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:38:36,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:38:36,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:38:36,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:38:36,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:36" (1/1) ... [2024-11-02 12:38:36,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:38:36,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:38:37,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:38:37,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:38:37,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:38:37,084 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-02 12:38:37,088 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-02 12:38:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-11-02 12:38:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-11-02 12:38:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-11-02 12:38:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-11-02 12:38:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-11-02 12:38:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-11-02 12:38:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-11-02 12:38:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-11-02 12:38:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-11-02 12:38:37,090 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-11-02 12:38:37,094 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-11-02 12:38:37,094 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-11-02 12:38:37,094 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-11-02 12:38:37,094 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-11-02 12:38:37,094 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-11-02 12:38:37,094 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-11-02 12:38:37,095 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-11-02 12:38:37,095 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-11-02 12:38:37,095 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-11-02 12:38:37,095 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-11-02 12:38:37,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:38:37,095 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-11-02 12:38:37,095 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-11-02 12:38:37,095 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-11-02 12:38:37,097 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-11-02 12:38:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:38:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:38:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-11-02 12:38:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-11-02 12:38:37,315 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:38:37,320 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:38:38,792 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-02 12:38:38,793 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:38:39,544 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:38:39,544 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-02 12:38:39,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:38:39 BoogieIcfgContainer [2024-11-02 12:38:39,545 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:38:39,548 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:38:39,549 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:38:39,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:38:39,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:38:36" (1/3) ... [2024-11-02 12:38:39,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5294fd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:38:39, skipping insertion in model container [2024-11-02 12:38:39,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:36" (2/3) ... [2024-11-02 12:38:39,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5294fd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:38:39, skipping insertion in model container [2024-11-02 12:38:39,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:38:39" (3/3) ... [2024-11-02 12:38:39,557 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2+token_ring.11.cil-2.c [2024-11-02 12:38:39,576 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:38:39,576 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 12:38:39,667 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:38:39,674 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;@48ad8174, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:38:39,675 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-02 12:38:39,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 262 states, 205 states have (on average 1.5073170731707317) internal successors, (309), 212 states have internal predecessors, (309), 40 states have call successors, (40), 14 states have call predecessors, (40), 14 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-02 12:38:39,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-02 12:38:39,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:39,696 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] [2024-11-02 12:38:39,696 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:38:39,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:39,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1875685512, now seen corresponding path program 1 times [2024-11-02 12:38:39,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:39,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926475034] [2024-11-02 12:38:39,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:39,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:38:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:38:40,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:38:40,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:38:40,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926475034] [2024-11-02 12:38:40,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926475034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:38:40,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:38:40,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:38:40,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115350256] [2024-11-02 12:38:40,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:38:40,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:38:40,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:38:40,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:38:40,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:38:40,166 INFO L87 Difference]: Start difference. First operand has 262 states, 205 states have (on average 1.5073170731707317) internal successors, (309), 212 states have internal predecessors, (309), 40 states have call successors, (40), 14 states have call predecessors, (40), 14 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) 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) [2024-11-02 12:38:40,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:38:40,783 INFO L93 Difference]: Finished difference Result 576 states and 851 transitions. [2024-11-02 12:38:40,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:38:40,787 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 [2024-11-02 12:38:40,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:38:40,803 INFO L225 Difference]: With dead ends: 576 [2024-11-02 12:38:40,803 INFO L226 Difference]: Without dead ends: 318 [2024-11-02 12:38:40,810 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 [2024-11-02 12:38:40,815 INFO L432 NwaCegarLoop]: 372 mSDtfsCounter, 437 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-02 12:38:40,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 646 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-02 12:38:40,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-02 12:38:40,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 310. [2024-11-02 12:38:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 240 states have (on average 1.425) internal successors, (342), 245 states have internal predecessors, (342), 48 states have call successors, (48), 21 states have call predecessors, (48), 20 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-02 12:38:40,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 435 transitions. [2024-11-02 12:38:40,903 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 435 transitions. Word has length 40 [2024-11-02 12:38:40,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:38:40,904 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 435 transitions. [2024-11-02 12:38:40,904 INFO L472 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) [2024-11-02 12:38:40,904 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 435 transitions. [2024-11-02 12:38:40,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-02 12:38:40,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:40,907 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] [2024-11-02 12:38:40,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:38:40,908 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:38:40,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:40,909 INFO L85 PathProgramCache]: Analyzing trace with hash 746764153, now seen corresponding path program 1 times [2024-11-02 12:38:40,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:40,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824108298] [2024-11-02 12:38:40,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:40,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:38:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:38:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:38:41,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:38:41,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824108298] [2024-11-02 12:38:41,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824108298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:38:41,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:38:41,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 12:38:41,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339689510] [2024-11-02 12:38:41,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:38:41,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:38:41,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:38:41,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:38:41,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:38:41,081 INFO L87 Difference]: Start difference. First operand 310 states and 435 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) [2024-11-02 12:38:42,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:38:42,038 INFO L93 Difference]: Finished difference Result 718 states and 944 transitions. [2024-11-02 12:38:42,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:38:42,039 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 [2024-11-02 12:38:42,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:38:42,044 INFO L225 Difference]: With dead ends: 718 [2024-11-02 12:38:42,045 INFO L226 Difference]: Without dead ends: 585 [2024-11-02 12:38:42,046 INFO L431 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 [2024-11-02 12:38:42,047 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 901 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-02 12:38:42,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 1098 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-02 12:38:42,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-02 12:38:42,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 495. [2024-11-02 12:38:42,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 371 states have (on average 1.3477088948787062) internal successors, (500), 377 states have internal predecessors, (500), 75 states have call successors, (75), 44 states have call predecessors, (75), 47 states have return successors, (76), 75 states have call predecessors, (76), 72 states have call successors, (76) [2024-11-02 12:38:42,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 651 transitions. [2024-11-02 12:38:42,105 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 651 transitions. Word has length 40 [2024-11-02 12:38:42,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:38:42,106 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 651 transitions. [2024-11-02 12:38:42,106 INFO L472 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) [2024-11-02 12:38:42,106 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 651 transitions. [2024-11-02 12:38:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-02 12:38:42,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:42,110 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] [2024-11-02 12:38:42,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 12:38:42,110 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:38:42,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:42,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1408097944, now seen corresponding path program 1 times [2024-11-02 12:38:42,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:42,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190051198] [2024-11-02 12:38:42,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:42,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:38:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:38:42,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:38:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:38:42,230 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:38:42,230 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:38:42,233 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-02 12:38:42,235 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-02 12:38:42,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 12:38:42,240 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-02 12:38:42,373 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:38:42,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:38:42 BoogieIcfgContainer [2024-11-02 12:38:42,377 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:38:42,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:38:42,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:38:42,378 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:38:42,378 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:38:39" (3/4) ... [2024-11-02 12:38:42,379 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-02 12:38:42,516 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:38:42,516 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:38:42,517 INFO L158 Benchmark]: Toolchain (without parser) took 6386.17ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 111.0MB in the beginning and 59.4MB in the end (delta: 51.6MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2024-11-02 12:38:42,517 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:38:42,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.11ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 82.5MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-02 12:38:42,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.75ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 77.4MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 12:38:42,521 INFO L158 Benchmark]: Boogie Preprocessor took 101.80ms. Allocated memory is still 142.6MB. Free memory was 77.4MB in the beginning and 112.5MB in the end (delta: -35.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-11-02 12:38:42,522 INFO L158 Benchmark]: RCFGBuilder took 2619.38ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 112.5MB in the beginning and 99.8MB in the end (delta: 12.7MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-11-02 12:38:42,522 INFO L158 Benchmark]: TraceAbstraction took 2828.74ms. Allocated memory is still 178.3MB. Free memory was 98.8MB in the beginning and 74.1MB in the end (delta: 24.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-11-02 12:38:42,522 INFO L158 Benchmark]: Witness Printer took 138.59ms. Allocated memory is still 178.3MB. Free memory was 74.1MB in the beginning and 59.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:38:42,524 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 615.11ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 82.5MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.75ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 77.4MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.80ms. Allocated memory is still 142.6MB. Free memory was 77.4MB in the beginning and 112.5MB in the end (delta: -35.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2619.38ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 112.5MB in the beginning and 99.8MB in the end (delta: 12.7MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2828.74ms. Allocated memory is still 178.3MB. Free memory was 98.8MB in the beginning and 74.1MB in the end (delta: 24.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Witness Printer took 138.59ms. Allocated memory is still 178.3MB. Free memory was 74.1MB in the beginning and 59.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 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 m_st ; [L513] int t1_st ; [L514] int t2_st ; [L515] int t3_st ; [L516] int t4_st ; [L517] int t5_st ; [L518] int t6_st ; [L519] int t7_st ; [L520] int t8_st ; [L521] int t9_st ; [L522] int t10_st ; [L523] int t11_st ; [L524] int m_i ; [L525] int t1_i ; [L526] int t2_i ; [L527] int t3_i ; [L528] int t4_i ; [L529] int t5_i ; [L530] int t6_i ; [L531] int t7_i ; [L532] int t8_i ; [L533] int t9_i ; [L534] int t10_i ; [L535] int t11_i ; [L536] int M_E = 2; [L537] int T1_E = 2; [L538] int T2_E = 2; [L539] int T3_E = 2; [L540] int T4_E = 2; [L541] int T5_E = 2; [L542] int T6_E = 2; [L543] int T7_E = 2; [L544] int T8_E = 2; [L545] int T9_E = 2; [L546] int T10_E = 2; [L547] int T11_E = 2; [L548] int E_M = 2; [L549] int E_1 = 2; [L550] int E_2 = 2; [L551] int E_3 = 2; [L552] int E_4 = 2; [L553] int E_5 = 2; [L554] int E_6 = 2; [L555] int E_7 = 2; [L556] int E_8 = 2; [L557] int E_9 = 2; [L558] int E_10 = 2; [L559] int E_11 = 2; [L573] int token ; [L575] int local ; [L2212] COND TRUE __VERIFIER_nondet_int() [L2213] 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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] [L329] CALL, EXPR is_do_read_c_triggered() VAL [E_10=2, E_11=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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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] [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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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] [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_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, 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, 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] [L367] CALL error1() VAL [E_10=2, E_11=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, 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, 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_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, 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, 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, 262 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1342 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1338 mSDsluCounter, 1744 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 943 mSDsCounter, 286 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 862 IncrementalHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 286 mSolverCounterUnsat, 801 mSDtfsCounter, 862 mSolverCounterSat, 0.0s 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=495occurred 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 98 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s 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! [2024-11-02 12:38:42,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578429fb-9b5b-430c-9c4e-35fbd3803b2a/bin/utaipan-verify-DbMuA5NWw2/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