./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.09.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.09.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b624ae719a4082a36ede7e321957dcadc62ef7cb91507fddf336d6b301c1668d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:04:53,784 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:04:53,902 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:04:53,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:04:53,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:04:53,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:04:53,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:04:53,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:04:53,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:04:53,956 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:04:53,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:04:53,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:04:53,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:04:53,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:04:53,960 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:04:53,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:04:53,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:04:53,961 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:04:53,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:04:53,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:04:53,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:04:53,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:04:53,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:04:53,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:04:53,970 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:04:53,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:04:53,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:04:53,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:04:53,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:04:53,974 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:04:53,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:04:53,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:04:53,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:04:53,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:04:53,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:04:53,984 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:04:53,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:04:53,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:04:53,985 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:04:53,985 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:04:53,986 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:04:53,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:04:53,986 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b624ae719a4082a36ede7e321957dcadc62ef7cb91507fddf336d6b301c1668d [2023-11-21 22:04:54,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:04:54,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:04:54,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:04:54,293 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:04:54,294 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:04:54,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.09.cil-1.c [2023-11-21 22:04:57,465 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:04:57,743 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:04:57,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.09.cil-1.c [2023-11-21 22:04:57,786 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/data/51710d8c8/3184c99447844ac68b2475922d04db93/FLAG08beb1e61 [2023-11-21 22:04:57,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/data/51710d8c8/3184c99447844ac68b2475922d04db93 [2023-11-21 22:04:57,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:04:57,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:04:57,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:04:57,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:04:57,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:04:57,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dcf6a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57, skipping insertion in model container [2023-11-21 22:04:57,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:04:58,123 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.09.cil-1.c[914,927] [2023-11-21 22:04:58,228 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.09.cil-1.c[7125,7138] [2023-11-21 22:04:58,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:04:58,420 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:04:58,443 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.09.cil-1.c[914,927] [2023-11-21 22:04:58,470 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.09.cil-1.c[7125,7138] [2023-11-21 22:04:58,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:04:58,581 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:04:58,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58 WrapperNode [2023-11-21 22:04:58,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:04:58,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:04:58,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:04:58,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:04:58,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58" (1/1) ... [2023-11-21 22:04:58,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58" (1/1) ... [2023-11-21 22:04:58,696 INFO L138 Inliner]: procedures = 71, calls = 85, calls flagged for inlining = 40, calls inlined = 40, statements flattened = 891 [2023-11-21 22:04:58,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:04:58,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:04:58,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:04:58,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:04:58,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58" (1/1) ... [2023-11-21 22:04:58,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58" (1/1) ... [2023-11-21 22:04:58,733 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58" (1/1) ... [2023-11-21 22:04:58,777 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:04:58,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58" (1/1) ... [2023-11-21 22:04:58,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58" (1/1) ... [2023-11-21 22:04:58,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58" (1/1) ... [2023-11-21 22:04:58,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58" (1/1) ... [2023-11-21 22:04:58,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58" (1/1) ... [2023-11-21 22:04:58,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58" (1/1) ... [2023-11-21 22:04:58,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:04:58,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:04:58,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:04:58,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:04:58,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58" (1/1) ... [2023-11-21 22:04:58,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:04:58,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:04:58,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:04:58,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:04:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:04:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-21 22:04:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-21 22:04:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-21 22:04:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-21 22:04:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-21 22:04:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-21 22:04:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-21 22:04:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-21 22:04:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-21 22:04:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-21 22:04:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-21 22:04:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-21 22:04:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-21 22:04:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-21 22:04:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-21 22:04:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-21 22:04:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-21 22:04:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-21 22:04:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-21 22:04:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-21 22:04:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-21 22:04:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-21 22:04:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:04:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-21 22:04:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-21 22:04:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-21 22:04:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-21 22:04:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:04:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:04:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-21 22:04:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-21 22:04:59,184 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:04:59,187 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:05:00,335 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:05:01,004 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:05:01,006 INFO L308 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-21 22:05:01,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:01 BoogieIcfgContainer [2023-11-21 22:05:01,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:05:01,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:05:01,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:05:01,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:05:01,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:04:57" (1/3) ... [2023-11-21 22:05:01,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e73328c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:01, skipping insertion in model container [2023-11-21 22:05:01,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58" (2/3) ... [2023-11-21 22:05:01,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e73328c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:01, skipping insertion in model container [2023-11-21 22:05:01,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:01" (3/3) ... [2023-11-21 22:05:01,019 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2+token_ring.09.cil-1.c [2023-11-21 22:05:01,041 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:05:01,041 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-21 22:05:01,112 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:05:01,119 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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;@73753230, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:05:01,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 22:05:01,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 238 states, 183 states have (on average 1.5027322404371584) internal successors, (275), 190 states have internal predecessors, (275), 38 states have call successors, (38), 14 states have call predecessors, (38), 14 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-21 22:05:01,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 22:05:01,137 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:01,138 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:05:01,139 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:01,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:01,145 INFO L85 PathProgramCache]: Analyzing trace with hash -131646634, now seen corresponding path program 1 times [2023-11-21 22:05:01,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:01,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438597785] [2023-11-21 22:05:01,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:01,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:01,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:05:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:05:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:01,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 22:05:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:01,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:05:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:01,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-21 22:05:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-21 22:05:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:01,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:05:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:05:01,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:01,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438597785] [2023-11-21 22:05:01,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438597785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:01,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:01,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:05:01,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594668069] [2023-11-21 22:05:01,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:01,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:05:01,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:01,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:05:01,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:05:01,789 INFO L87 Difference]: Start difference. First operand has 238 states, 183 states have (on average 1.5027322404371584) internal successors, (275), 190 states have internal predecessors, (275), 38 states have call successors, (38), 14 states have call predecessors, (38), 14 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 4 states have internal predecessors, (25), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-21 22:05:02,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:02,872 INFO L93 Difference]: Finished difference Result 528 states and 773 transitions. [2023-11-21 22:05:02,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 22:05:02,876 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 4 states have internal predecessors, (25), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 40 [2023-11-21 22:05:02,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:02,898 INFO L225 Difference]: With dead ends: 528 [2023-11-21 22:05:02,898 INFO L226 Difference]: Without dead ends: 294 [2023-11-21 22:05:02,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:05:02,911 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 561 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:02,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [597 Valid, 925 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-21 22:05:02,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2023-11-21 22:05:03,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 286. [2023-11-21 22:05:03,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 218 states have (on average 1.4220183486238531) internal successors, (310), 223 states have internal predecessors, (310), 46 states have call successors, (46), 21 states have call predecessors, (46), 20 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-21 22:05:03,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 399 transitions. [2023-11-21 22:05:03,012 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 399 transitions. Word has length 40 [2023-11-21 22:05:03,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:03,013 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 399 transitions. [2023-11-21 22:05:03,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 4 states have internal predecessors, (25), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-21 22:05:03,013 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 399 transitions. [2023-11-21 22:05:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 22:05:03,016 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:03,016 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:05:03,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:05:03,017 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:03,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:03,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1804164265, now seen corresponding path program 1 times [2023-11-21 22:05:03,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:03,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663984836] [2023-11-21 22:05:03,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:03,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:05:03,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:05:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:05:03,120 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:05:03,121 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:05:03,122 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-21 22:05:03,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-21 22:05:03,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:05:03,129 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 22:05:03,134 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:05:03,214 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-21 22:05:03,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated [2023-11-21 22:05:03,232 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret10 could not be translated [2023-11-21 22:05:03,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:05:03 BoogieIcfgContainer [2023-11-21 22:05:03,260 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:05:03,260 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:05:03,260 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:05:03,261 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:05:03,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:01" (3/4) ... [2023-11-21 22:05:03,262 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 22:05:03,288 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-21 22:05:03,292 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated [2023-11-21 22:05:03,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret10 could not be translated [2023-11-21 22:05:03,428 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:05:03,431 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:05:03,432 INFO L158 Benchmark]: Toolchain (without parser) took 5619.39ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 77.4MB in the beginning and 101.0MB in the end (delta: -23.5MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:03,433 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:05:03,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 766.09ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 52.5MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 22:05:03,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.52ms. Allocated memory is still 117.4MB. Free memory was 52.5MB in the beginning and 48.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:05:03,435 INFO L158 Benchmark]: Boogie Preprocessor took 169.55ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 87.5MB in the end (delta: -39.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-21 22:05:03,436 INFO L158 Benchmark]: RCFGBuilder took 2140.28ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 87.5MB in the beginning and 85.4MB in the end (delta: 2.1MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2023-11-21 22:05:03,437 INFO L158 Benchmark]: TraceAbstraction took 2249.25ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 84.4MB in the beginning and 112.5MB in the end (delta: -28.2MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-11-21 22:05:03,437 INFO L158 Benchmark]: Witness Printer took 171.51ms. Allocated memory is still 180.4MB. Free memory was 112.5MB in the beginning and 101.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:05:03,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 766.09ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 52.5MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.52ms. Allocated memory is still 117.4MB. Free memory was 52.5MB in the beginning and 48.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 169.55ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 87.5MB in the end (delta: -39.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * RCFGBuilder took 2140.28ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 87.5MB in the beginning and 85.4MB in the end (delta: 2.1MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2249.25ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 84.4MB in the beginning and 112.5MB in the end (delta: -28.2MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Witness Printer took 171.51ms. Allocated memory is still 180.4MB. Free memory was 112.5MB in the beginning and 101.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret10 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret10 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 28]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L33] int q_buf_0 ; [L34] int q_free ; [L35] int q_read_ev ; [L36] int q_write_ev ; [L37] int q_req_up ; [L38] int q_ev ; [L59] int p_num_write ; [L60] int p_last_write ; [L61] int p_dw_st ; [L62] int p_dw_pc ; [L63] int p_dw_i ; [L64] int c_num_read ; [L65] int c_last_read ; [L66] int c_dr_st ; [L67] int c_dr_pc ; [L68] int c_dr_i ; [L172] static int a_t ; [L500] int m_pc = 0; [L501] int t1_pc = 0; [L502] int t2_pc = 0; [L503] int t3_pc = 0; [L504] int t4_pc = 0; [L505] int t5_pc = 0; [L506] int t6_pc = 0; [L507] int t7_pc = 0; [L508] int t8_pc = 0; [L509] int t9_pc = 0; [L510] int m_st ; [L511] int t1_st ; [L512] int t2_st ; [L513] int t3_st ; [L514] int t4_st ; [L515] int t5_st ; [L516] int t6_st ; [L517] int t7_st ; [L518] int t8_st ; [L519] int t9_st ; [L520] int m_i ; [L521] int t1_i ; [L522] int t2_i ; [L523] int t3_i ; [L524] int t4_i ; [L525] int t5_i ; [L526] int t6_i ; [L527] int t7_i ; [L528] int t8_i ; [L529] int t9_i ; [L530] int M_E = 2; [L531] int T1_E = 2; [L532] int T2_E = 2; [L533] int T3_E = 2; [L534] int T4_E = 2; [L535] int T5_E = 2; [L536] int T6_E = 2; [L537] int T7_E = 2; [L538] int T8_E = 2; [L539] int T9_E = 2; [L540] int E_M = 2; [L541] int E_1 = 2; [L542] int E_2 = 2; [L543] int E_3 = 2; [L544] int E_4 = 2; [L545] int E_5 = 2; [L546] int E_6 = 2; [L547] int E_7 = 2; [L548] int E_8 = 2; [L549] int E_9 = 2; [L561] int token ; [L563] int local ; [L1962] COND TRUE __VERIFIER_nondet_int() [L1963] 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_8=2, E_9=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, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, 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_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, 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, 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_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, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, 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_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, 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, 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_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, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, tmp=0, token=0] [L329] CALL, EXPR is_do_read_c_triggered() VAL [E_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, tmp=0, token=0] [L329] tmp___0 = is_do_read_c_triggered() [L331] COND FALSE !(\read(tmp___0)) [L423] RET activate_threads1() VAL [E_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, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, 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_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, 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, 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_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, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, T7_E=2, T8_E=2, T9_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, 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_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, 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, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, tmp___1=1, token=0] [L357] COND TRUE (int )p_dw_st == 0 [L359] tmp = __VERIFIER_nondet_int() [L361] COND FALSE !(\read(tmp)) VAL [E_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, 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, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, t7_i=0, t7_pc=0, t7_st=0, t8_i=0, t8_pc=0, t8_st=0, t9_i=0, t9_pc=0, t9_st=0, tmp=0, tmp___1=1, token=0] [L367] CALL error1() VAL [E_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, 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, 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_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, 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, 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, 238 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 597 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 561 mSDsluCounter, 925 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 670 mSDsCounter, 129 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 685 IncrementalHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 129 mSolverCounterUnsat, 255 mSDtfsCounter, 685 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=286occurred in iteration=1, InterpolantAutomatonStates: 10, 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, 1 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-21 22:05:03,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc817b-309a-4312-bcd0-4e260273fea5/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE