./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb1091d73aa20044da5f23529d9b458b78a9fc672c28c9226a1c2bddab62484e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:21:05,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:21:05,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:21:05,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:21:05,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:21:05,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:21:05,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:21:05,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:21:05,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:21:05,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:21:05,760 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:21:05,760 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:21:05,761 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:21:05,761 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:21:05,761 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:21:05,762 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:21:05,762 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:21:05,763 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:21:05,763 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:21:05,764 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:21:05,764 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:21:05,765 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:21:05,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:21:05,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:21:05,766 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:21:05,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:21:05,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:21:05,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:21:05,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:21:05,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:21:05,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:21:05,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:21:05,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:21:05,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:21:05,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:21:05,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:21:05,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:21:05,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:21:05,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:21:05,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:21:05,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:21:05,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:21:05,777 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:21:05,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:21:05,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:21:05,778 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:21:05,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:21:05,778 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_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb1091d73aa20044da5f23529d9b458b78a9fc672c28c9226a1c2bddab62484e [2024-11-09 07:21:06,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:21:06,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:21:06,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:21:06,112 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:21:06,113 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:21:06,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c Unable to find full path for "g++" [2024-11-09 07:21:08,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:21:08,461 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:21:08,461 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c [2024-11-09 07:21:08,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/data/555ba97ce/596ad31685ab44ceb9ecc1258ba563e8/FLAG8c48c8508 [2024-11-09 07:21:08,769 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/data/555ba97ce/596ad31685ab44ceb9ecc1258ba563e8 [2024-11-09 07:21:08,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:21:08,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:21:08,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:21:08,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:21:08,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:21:08,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:21:08" (1/1) ... [2024-11-09 07:21:08,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a95edbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:21:08, skipping insertion in model container [2024-11-09 07:21:08,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:21:08" (1/1) ... [2024-11-09 07:21:08,885 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:21:09,085 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c[914,927] [2024-11-09 07:21:09,158 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c[7125,7138] [2024-11-09 07:21:09,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:21:09,328 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:21:09,343 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c[914,927] [2024-11-09 07:21:09,384 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c[7125,7138] [2024-11-09 07:21:09,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:21:09,491 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:21:09,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:21:09 WrapperNode [2024-11-09 07:21:09,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:21:09,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:21:09,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:21:09,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:21:09,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:21:09" (1/1) ... [2024-11-09 07:21:09,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:21:09" (1/1) ... [2024-11-09 07:21:09,564 INFO L138 Inliner]: procedures = 67, calls = 79, calls flagged for inlining = 36, calls inlined = 36, statements flattened = 755 [2024-11-09 07:21:09,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:21:09,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:21:09,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:21:09,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:21:09,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:21:09" (1/1) ... [2024-11-09 07:21:09,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:21:09" (1/1) ... [2024-11-09 07:21:09,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:21:09" (1/1) ... [2024-11-09 07:21:09,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:21:09" (1/1) ... [2024-11-09 07:21:09,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:21:09" (1/1) ... [2024-11-09 07:21:09,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:21:09" (1/1) ... [2024-11-09 07:21:09,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:21:09" (1/1) ... [2024-11-09 07:21:09,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:21:09" (1/1) ... [2024-11-09 07:21:09,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:21:09,618 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:21:09,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:21:09,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:21:09,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:21:09" (1/1) ... [2024-11-09 07:21:09,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:21:09,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:21:09,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:21:09,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:21:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:21:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-09 07:21:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-09 07:21:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-11-09 07:21:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-11-09 07:21:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-11-09 07:21:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-11-09 07:21:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-11-09 07:21:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-11-09 07:21:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-11-09 07:21:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-11-09 07:21:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-11-09 07:21:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-11-09 07:21:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-11-09 07:21:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-11-09 07:21:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-11-09 07:21:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-11-09 07:21:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-11-09 07:21:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-11-09 07:21:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-11-09 07:21:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-11-09 07:21:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-11-09 07:21:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-11-09 07:21:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:21:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-11-09 07:21:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-11-09 07:21:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-11-09 07:21:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-11-09 07:21:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:21:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:21:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-11-09 07:21:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-11-09 07:21:09,880 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:21:09,882 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:21:10,893 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-09 07:21:10,893 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:21:11,330 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:21:11,332 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-09 07:21:11,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:21:11 BoogieIcfgContainer [2024-11-09 07:21:11,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:21:11,335 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:21:11,337 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:21:11,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:21:11,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:21:08" (1/3) ... [2024-11-09 07:21:11,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c7d4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:21:11, skipping insertion in model container [2024-11-09 07:21:11,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:21:09" (2/3) ... [2024-11-09 07:21:11,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c7d4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:21:11, skipping insertion in model container [2024-11-09 07:21:11,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:21:11" (3/3) ... [2024-11-09 07:21:11,345 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2+token_ring.07.cil-1.c [2024-11-09 07:21:11,366 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:21:11,366 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:21:11,449 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:21:11,456 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;@68100931, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:21:11,456 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:21:11,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 214 states, 161 states have (on average 1.4968944099378882) internal successors, (241), 168 states have internal predecessors, (241), 36 states have call successors, (36), 14 states have call predecessors, (36), 14 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 07:21:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 07:21:11,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:21:11,474 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] [2024-11-09 07:21:11,475 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:21:11,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:21:11,484 INFO L85 PathProgramCache]: Analyzing trace with hash -587918660, now seen corresponding path program 1 times [2024-11-09 07:21:11,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:21:11,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240728946] [2024-11-09 07:21:11,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:21:11,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:21:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:21:11,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:21:11,926 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:21:11,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240728946] [2024-11-09 07:21:11,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240728946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:21:11,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:21:11,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:21:11,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27347274] [2024-11-09 07:21:11,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:21:11,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:21:11,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:21:11,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:21:11,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:21:11,977 INFO L87 Difference]: Start difference. First operand has 214 states, 161 states have (on average 1.4968944099378882) internal successors, (241), 168 states have internal predecessors, (241), 36 states have call successors, (36), 14 states have call predecessors, (36), 14 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) 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) [2024-11-09 07:21:12,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:21:12,500 INFO L93 Difference]: Finished difference Result 480 states and 699 transitions. [2024-11-09 07:21:12,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:21:12,503 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 [2024-11-09 07:21:12,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:21:12,519 INFO L225 Difference]: With dead ends: 480 [2024-11-09 07:21:12,520 INFO L226 Difference]: Without dead ends: 270 [2024-11-09 07:21:12,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:21:12,531 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 361 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 07:21:12,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 526 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 07:21:12,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-09 07:21:12,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 262. [2024-11-09 07:21:12,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 196 states have (on average 1.3979591836734695) internal successors, (274), 201 states have internal predecessors, (274), 44 states have call successors, (44), 21 states have call predecessors, (44), 20 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-09 07:21:12,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 359 transitions. [2024-11-09 07:21:12,635 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 359 transitions. Word has length 40 [2024-11-09 07:21:12,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:21:12,639 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 359 transitions. [2024-11-09 07:21:12,640 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) [2024-11-09 07:21:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 359 transitions. [2024-11-09 07:21:12,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 07:21:12,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:21:12,643 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] [2024-11-09 07:21:12,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:21:12,643 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:21:12,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:21:12,644 INFO L85 PathProgramCache]: Analyzing trace with hash 2034531005, now seen corresponding path program 1 times [2024-11-09 07:21:12,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:21:12,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105173088] [2024-11-09 07:21:12,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:21:12,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:21:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:21:12,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:21:12,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:21:12,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105173088] [2024-11-09 07:21:12,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105173088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:21:12,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:21:12,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 07:21:12,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603422461] [2024-11-09 07:21:12,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:21:12,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:21:12,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:21:12,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:21:12,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:21:12,897 INFO L87 Difference]: Start difference. First operand 262 states and 359 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) [2024-11-09 07:21:13,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:21:13,781 INFO L93 Difference]: Finished difference Result 670 states and 868 transitions. [2024-11-09 07:21:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 07:21:13,783 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 [2024-11-09 07:21:13,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:21:13,791 INFO L225 Difference]: With dead ends: 670 [2024-11-09 07:21:13,791 INFO L226 Difference]: Without dead ends: 537 [2024-11-09 07:21:13,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 07:21:13,797 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 765 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:21:13,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 922 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 07:21:13,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-09 07:21:13,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 447. [2024-11-09 07:21:13,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 327 states have (on average 1.3211009174311927) internal successors, (432), 333 states have internal predecessors, (432), 71 states have call successors, (71), 44 states have call predecessors, (71), 47 states have return successors, (72), 71 states have call predecessors, (72), 68 states have call successors, (72) [2024-11-09 07:21:13,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 575 transitions. [2024-11-09 07:21:13,871 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 575 transitions. Word has length 40 [2024-11-09 07:21:13,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:21:13,872 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 575 transitions. [2024-11-09 07:21:13,872 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) [2024-11-09 07:21:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 575 transitions. [2024-11-09 07:21:13,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 07:21:13,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:21:13,874 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] [2024-11-09 07:21:13,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:21:13,874 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:21:13,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:21:13,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1599102500, now seen corresponding path program 1 times [2024-11-09 07:21:13,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:21:13,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457783358] [2024-11-09 07:21:13,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:21:13,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:21:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:21:13,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:21:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:21:13,988 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:21:13,989 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:21:13,991 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-09 07:21:13,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-09 07:21:13,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:21:13,997 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 07:21:14,090 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:21:14,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:21:14 BoogieIcfgContainer [2024-11-09 07:21:14,093 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:21:14,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:21:14,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:21:14,094 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:21:14,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:21:11" (3/4) ... [2024-11-09 07:21:14,096 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 07:21:14,209 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 07:21:14,210 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:21:14,210 INFO L158 Benchmark]: Toolchain (without parser) took 5437.56ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 118.8MB in the beginning and 98.9MB in the end (delta: 19.9MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. [2024-11-09 07:21:14,211 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory was 123.2MB in the beginning and 123.1MB in the end (delta: 34.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:21:14,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 717.62ms. Allocated memory is still 159.4MB. Free memory was 118.8MB in the beginning and 93.6MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 07:21:14,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.39ms. Allocated memory is still 159.4MB. Free memory was 93.6MB in the beginning and 90.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:21:14,213 INFO L158 Benchmark]: Boogie Preprocessor took 51.52ms. Allocated memory is still 159.4MB. Free memory was 90.0MB in the beginning and 86.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:21:14,213 INFO L158 Benchmark]: RCFGBuilder took 1715.12ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 86.3MB in the beginning and 161.2MB in the end (delta: -74.9MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2024-11-09 07:21:14,214 INFO L158 Benchmark]: TraceAbstraction took 2758.69ms. Allocated memory is still 237.0MB. Free memory was 160.2MB in the beginning and 110.4MB in the end (delta: 49.7MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-09 07:21:14,214 INFO L158 Benchmark]: Witness Printer took 115.79ms. Allocated memory is still 237.0MB. Free memory was 110.4MB in the beginning and 98.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 07:21:14,216 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory was 123.2MB in the beginning and 123.1MB in the end (delta: 34.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 717.62ms. Allocated memory is still 159.4MB. Free memory was 118.8MB in the beginning and 93.6MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.39ms. Allocated memory is still 159.4MB. Free memory was 93.6MB in the beginning and 90.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.52ms. Allocated memory is still 159.4MB. Free memory was 90.0MB in the beginning and 86.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1715.12ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 86.3MB in the beginning and 161.2MB in the end (delta: -74.9MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2758.69ms. Allocated memory is still 237.0MB. Free memory was 160.2MB in the beginning and 110.4MB in the end (delta: 49.7MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Witness Printer took 115.79ms. Allocated memory is still 237.0MB. Free memory was 110.4MB in the beginning and 98.9MB 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.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 m_st ; [L509] int t1_st ; [L510] int t2_st ; [L511] int t3_st ; [L512] int t4_st ; [L513] int t5_st ; [L514] int t6_st ; [L515] int t7_st ; [L516] int m_i ; [L517] int t1_i ; [L518] int t2_i ; [L519] int t3_i ; [L520] int t4_i ; [L521] int t5_i ; [L522] int t6_i ; [L523] int t7_i ; [L524] int M_E = 2; [L525] int T1_E = 2; [L526] int T2_E = 2; [L527] int T3_E = 2; [L528] int T4_E = 2; [L529] int T5_E = 2; [L530] int T6_E = 2; [L531] int T7_E = 2; [L532] int E_M = 2; [L533] int E_1 = 2; [L534] int E_2 = 2; [L535] int E_3 = 2; [L536] int E_4 = 2; [L537] int E_5 = 2; [L538] int E_6 = 2; [L539] int E_7 = 2; [L549] int token ; [L551] int local ; [L1712] COND TRUE __VERIFIER_nondet_int() [L1713] 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_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L420] CALL update_channels1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L230] COND FALSE !((int )q_req_up == 1) [L420] RET update_channels1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, 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_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, 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_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L423] CALL activate_threads1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L316] int tmp ; [L317] int tmp___0 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L321] CALL, EXPR is_do_write_p_triggered() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L70] int __retres1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L73] COND FALSE !((int )p_dw_pc == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L83] __retres1 = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L85] return (__retres1); [L321] RET, EXPR is_do_write_p_triggered() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L321] tmp = is_do_write_p_triggered() [L323] COND FALSE !(\read(tmp)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L329] CALL, EXPR is_do_read_c_triggered() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L89] int __retres1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L92] COND FALSE !((int )c_dr_pc == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L102] __retres1 = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L104] return (__retres1); [L329] RET, EXPR is_do_read_c_triggered() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L329] tmp___0 = is_do_read_c_triggered() [L331] COND FALSE !(\read(tmp___0)) [L423] RET activate_threads1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L424] CALL reset_delta_events1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, 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_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, 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_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L347] COND TRUE 1 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L350] CALL, EXPR exists_runnable_thread1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, 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_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L350] tmp___1 = exists_runnable_thread1() [L352] COND TRUE \read(tmp___1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L357] COND TRUE (int )p_dw_st == 0 [L359] tmp = __VERIFIER_nondet_int() [L361] COND FALSE !(\read(tmp)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L367] CALL error1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, token=0] [L28] reach_error() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_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, 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, 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, 214 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1130 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1126 mSDsluCounter, 1448 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 775 mSDsCounter, 270 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 778 IncrementalHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 270 mSolverCounterUnsat, 673 mSDtfsCounter, 778 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=447occurred 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! [2024-11-09 07:21:14,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5ef7c2-89bd-424a-ba99-2bbf4e6d3e1d/bin/utaipan-verify-YMUCfTKeje/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