./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --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 afc452e582a18ce642d1e41e01e6f77614ca2cc57c3cb5416c5427160b30d0ba --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:34:59,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:34:59,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:34:59,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:34:59,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:34:59,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:34:59,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:34:59,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:34:59,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:34:59,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:34:59,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:34:59,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:34:59,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:34:59,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:34:59,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:34:59,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:34:59,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:34:59,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:34:59,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:34:59,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:34:59,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:34:59,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:34:59,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:34:59,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:34:59,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:34:59,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:34:59,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:34:59,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:34:59,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:34:59,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:34:59,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:34:59,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:34:59,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:34:59,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:34:59,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:34:59,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:34:59,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:34:59,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:34:59,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:34:59,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:34:59,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:34:59,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 06:34:59,907 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:34:59,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:34:59,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:34:59,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:34:59,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:34:59,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:34:59,909 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:34:59,909 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:34:59,910 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:34:59,910 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:34:59,910 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:34:59,910 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:34:59,910 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:34:59,911 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:34:59,911 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:34:59,911 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:34:59,911 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:34:59,912 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:34:59,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:34:59,913 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:34:59,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:34:59,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:34:59,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:34:59,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:34:59,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:34:59,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:34:59,914 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:34:59,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:34:59,915 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:34:59,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:34:59,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:34:59,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:34:59,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:34:59,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:34:59,916 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:34:59,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:34:59,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:34:59,917 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:34:59,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:34:59,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:34:59,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:34:59,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afc452e582a18ce642d1e41e01e6f77614ca2cc57c3cb5416c5427160b30d0ba [2022-11-19 06:35:00,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:35:00,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:35:00,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:35:00,215 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:35:00,216 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:35:00,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c [2022-11-19 06:35:00,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/data/356bf9083/60802b32e20746e39f21e0c2d0a98ca7/FLAG19cf37ccb [2022-11-19 06:35:00,853 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:35:00,853 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c [2022-11-19 06:35:00,873 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/data/356bf9083/60802b32e20746e39f21e0c2d0a98ca7/FLAG19cf37ccb [2022-11-19 06:35:01,285 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/data/356bf9083/60802b32e20746e39f21e0c2d0a98ca7 [2022-11-19 06:35:01,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:35:01,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:35:01,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:35:01,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:35:01,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:35:01,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:35:01" (1/1) ... [2022-11-19 06:35:01,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3636a09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:01, skipping insertion in model container [2022-11-19 06:35:01,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:35:01" (1/1) ... [2022-11-19 06:35:01,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:35:01,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:35:01,622 WARN L234 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_362ae067-9a7c-4461-8c51-b8cfbd568779/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c[914,927] [2022-11-19 06:35:01,676 WARN L234 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_362ae067-9a7c-4461-8c51-b8cfbd568779/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c[7125,7138] [2022-11-19 06:35:01,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:35:01,813 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:35:01,831 WARN L234 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_362ae067-9a7c-4461-8c51-b8cfbd568779/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c[914,927] [2022-11-19 06:35:01,866 WARN L234 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_362ae067-9a7c-4461-8c51-b8cfbd568779/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c[7125,7138] [2022-11-19 06:35:01,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:35:02,000 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:35:02,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:02 WrapperNode [2022-11-19 06:35:02,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:35:02,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:35:02,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:35:02,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:35:02,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:02" (1/1) ... [2022-11-19 06:35:02,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:02" (1/1) ... [2022-11-19 06:35:02,097 INFO L138 Inliner]: procedures = 77, calls = 94, calls flagged for inlining = 46, calls inlined = 46, statements flattened = 1041 [2022-11-19 06:35:02,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:35:02,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:35:02,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:35:02,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:35:02,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:02" (1/1) ... [2022-11-19 06:35:02,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:02" (1/1) ... [2022-11-19 06:35:02,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:02" (1/1) ... [2022-11-19 06:35:02,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:02" (1/1) ... [2022-11-19 06:35:02,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:02" (1/1) ... [2022-11-19 06:35:02,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:02" (1/1) ... [2022-11-19 06:35:02,151 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:02" (1/1) ... [2022-11-19 06:35:02,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:02" (1/1) ... [2022-11-19 06:35:02,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:35:02,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:35:02,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:35:02,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:35:02,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:02" (1/1) ... [2022-11-19 06:35:02,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:35:02,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:35:02,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:35:02,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:35:02,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:35:02,282 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-11-19 06:35:02,282 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-11-19 06:35:02,282 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2022-11-19 06:35:02,283 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2022-11-19 06:35:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-11-19 06:35:02,283 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-11-19 06:35:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-11-19 06:35:02,283 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-11-19 06:35:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2022-11-19 06:35:02,284 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2022-11-19 06:35:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-11-19 06:35:02,284 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-11-19 06:35:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-11-19 06:35:02,285 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-11-19 06:35:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2022-11-19 06:35:02,286 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2022-11-19 06:35:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2022-11-19 06:35:02,286 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2022-11-19 06:35:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2022-11-19 06:35:02,287 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2022-11-19 06:35:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-11-19 06:35:02,287 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-11-19 06:35:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:35:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-11-19 06:35:02,288 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-11-19 06:35:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2022-11-19 06:35:02,290 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2022-11-19 06:35:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:35:02,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:35:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-11-19 06:35:02,291 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-11-19 06:35:02,443 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:35:02,445 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:35:03,634 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:35:04,195 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:35:04,195 INFO L300 CfgBuilder]: Removed 19 assume(true) statements. [2022-11-19 06:35:04,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:35:04 BoogieIcfgContainer [2022-11-19 06:35:04,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:35:04,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:35:04,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:35:04,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:35:04,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:35:01" (1/3) ... [2022-11-19 06:35:04,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae360df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:35:04, skipping insertion in model container [2022-11-19 06:35:04,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:02" (2/3) ... [2022-11-19 06:35:04,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae360df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:35:04, skipping insertion in model container [2022-11-19 06:35:04,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:35:04" (3/3) ... [2022-11-19 06:35:04,211 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2+token_ring.12.cil-2.c [2022-11-19 06:35:04,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:35:04,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-19 06:35:04,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:35:04,329 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@729be0fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:35:04,329 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-19 06:35:04,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 261 states, 203 states have (on average 1.541871921182266) internal successors, (313), 210 states have internal predecessors, (313), 41 states have call successors, (41), 14 states have call predecessors, (41), 14 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2022-11-19 06:35:04,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-19 06:35:04,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:35:04,348 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] [2022-11-19 06:35:04,349 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:35:04,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:35:04,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1177164283, now seen corresponding path program 1 times [2022-11-19 06:35:04,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:35:04,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329417483] [2022-11-19 06:35:04,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:35:04,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:35:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:35:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:35:04,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:35:04,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329417483] [2022-11-19 06:35:04,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329417483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:35:04,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:35:04,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:35:04,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859465032] [2022-11-19 06:35:04,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:35:04,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:35:04,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:35:04,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:35:04,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:35:04,849 INFO L87 Difference]: Start difference. First operand has 261 states, 203 states have (on average 1.541871921182266) internal successors, (313), 210 states have internal predecessors, (313), 41 states have call successors, (41), 14 states have call predecessors, (41), 14 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) 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) [2022-11-19 06:35:06,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:35:06,192 INFO L93 Difference]: Finished difference Result 949 states and 1402 transitions. [2022-11-19 06:35:06,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 06:35:06,198 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 [2022-11-19 06:35:06,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:35:06,215 INFO L225 Difference]: With dead ends: 949 [2022-11-19 06:35:06,215 INFO L226 Difference]: Without dead ends: 674 [2022-11-19 06:35:06,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:35:06,229 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 1071 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 362 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:35:06,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 1226 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [362 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 06:35:06,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2022-11-19 06:35:06,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 594. [2022-11-19 06:35:06,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 435 states have (on average 1.3655172413793104) internal successors, (594), 440 states have internal predecessors, (594), 96 states have call successors, (96), 62 states have call predecessors, (96), 61 states have return successors, (108), 93 states have call predecessors, (108), 93 states have call successors, (108) [2022-11-19 06:35:06,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 798 transitions. [2022-11-19 06:35:06,413 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 798 transitions. Word has length 40 [2022-11-19 06:35:06,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:35:06,414 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 798 transitions. [2022-11-19 06:35:06,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-19 06:35:06,415 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 798 transitions. [2022-11-19 06:35:06,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-19 06:35:06,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:35:06,419 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] [2022-11-19 06:35:06,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:35:06,419 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:35:06,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:35:06,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1838498074, now seen corresponding path program 1 times [2022-11-19 06:35:06,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:35:06,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82028779] [2022-11-19 06:35:06,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:35:06,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:35:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 06:35:06,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 06:35:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 06:35:06,541 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 06:35:06,542 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 06:35:06,544 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-19 06:35:06,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-11-19 06:35:06,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:35:06,550 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-19 06:35:06,555 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:35:06,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:35:06 BoogieIcfgContainer [2022-11-19 06:35:06,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:35:06,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:35:06,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:35:06,649 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:35:06,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:35:04" (3/4) ... [2022-11-19 06:35:06,652 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-19 06:35:06,787 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 06:35:06,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:35:06,788 INFO L158 Benchmark]: Toolchain (without parser) took 5494.23ms. Allocated memory was 111.1MB in the beginning and 211.8MB in the end (delta: 100.7MB). Free memory was 71.6MB in the beginning and 124.4MB in the end (delta: -52.7MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2022-11-19 06:35:06,788 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:35:06,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 700.69ms. Allocated memory is still 111.1MB. Free memory was 71.4MB in the beginning and 73.8MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 06:35:06,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.68ms. Allocated memory is still 111.1MB. Free memory was 73.8MB in the beginning and 69.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 06:35:06,795 INFO L158 Benchmark]: Boogie Preprocessor took 63.49ms. Allocated memory is still 111.1MB. Free memory was 69.1MB in the beginning and 64.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 06:35:06,796 INFO L158 Benchmark]: RCFGBuilder took 2036.91ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 64.4MB in the beginning and 75.2MB in the end (delta: -10.8MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2022-11-19 06:35:06,798 INFO L158 Benchmark]: TraceAbstraction took 2447.71ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 74.2MB in the beginning and 135.9MB in the end (delta: -61.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:35:06,798 INFO L158 Benchmark]: Witness Printer took 138.61ms. Allocated memory is still 211.8MB. Free memory was 135.9MB in the beginning and 124.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 06:35:06,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 700.69ms. Allocated memory is still 111.1MB. Free memory was 71.4MB in the beginning and 73.8MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.68ms. Allocated memory is still 111.1MB. Free memory was 73.8MB in the beginning and 69.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.49ms. Allocated memory is still 111.1MB. Free memory was 69.1MB in the beginning and 64.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2036.91ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 64.4MB in the beginning and 75.2MB in the end (delta: -10.8MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2447.71ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 74.2MB in the beginning and 135.9MB in the end (delta: -61.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 138.61ms. Allocated memory is still 211.8MB. Free memory was 135.9MB in the beginning and 124.4MB 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.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: [L543] int T4_E = 2; [L519] int t6_st ; [L541] int T2_E = 2; [L35] int q_read_ev ; [L537] int t11_i ; [L503] int t3_pc = 0; [L38] int q_ev ; [L550] int T11_E = 2; [L66] int c_dr_st ; [L68] int c_dr_i ; [L547] int T8_E = 2; [L545] int T6_E = 2; [L507] int t7_pc = 0; [L526] int m_i ; [L172] static int a_t ; [L532] int t6_i ; [L516] int t3_st ; [L534] int t8_i ; [L528] int t2_i ; [L62] int p_dw_pc ; [L530] int t4_i ; [L520] int t7_st ; [L63] int p_dw_i ; [L510] int t10_pc = 0; [L504] int t4_pc = 0; [L67] int c_dr_pc ; [L508] int t8_pc = 0; [L523] int t10_st ; [L553] int E_1 = 2; [L500] int m_pc = 0; [L555] int E_3 = 2; [L554] int E_2 = 2; [L557] int E_5 = 2; [L517] int t4_st ; [L556] int E_4 = 2; [L559] int E_7 = 2; [L64] int c_num_read ; [L558] int E_6 = 2; [L561] int E_9 = 2; [L560] int E_8 = 2; [L544] int T5_E = 2; [L513] int m_st ; [L521] int t8_st ; [L511] int t11_pc = 0; [L542] int T3_E = 2; [L34] int q_free ; [L536] int t10_i ; [L540] int T1_E = 2; [L538] int t12_i ; [L37] int q_req_up ; [L548] int T9_E = 2; [L505] int t5_pc = 0; [L551] int T12_E = 2; [L33] int q_buf_0 ; [L546] int T7_E = 2; [L581] int local ; [L501] int t1_pc = 0; [L549] int T10_E = 2; [L524] int t11_st ; [L59] int p_num_write ; [L527] int t1_i ; [L539] int M_E = 2; [L552] int E_M = 2; [L509] int t9_pc = 0; [L533] int t7_i ; [L514] int t1_st ; [L535] int t9_i ; [L529] int t3_i ; [L36] int q_write_ev ; [L531] int t5_i ; [L512] int t12_pc = 0; [L518] int t5_st ; [L522] int t9_st ; [L506] int t6_pc = 0; [L502] int t2_pc = 0; [L579] int token ; [L61] int p_dw_st ; [L65] int c_last_read ; [L525] int t12_st ; [L515] int t2_st ; [L562] int E_10 = 2; [L563] int E_11 = 2; [L564] int E_12 = 2; [L60] int p_last_write ; [L2337] COND TRUE __VERIFIER_nondet_int() [L2338] 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 [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_10=2, E_11=2, E_12=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, kernel_st=0, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L420] CALL update_channels1() VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L230] COND FALSE !((int )q_req_up == 1) [L420] RET update_channels1() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_10=2, E_11=2, E_12=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, kernel_st=0, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, 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 [\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, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, 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 [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_10=2, E_11=2, E_12=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, kernel_st=0, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L423] CALL activate_threads1() VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L316] int tmp ; [L317] int tmp___0 ; VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L321] CALL, EXPR is_do_write_p_triggered() VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L70] int __retres1 ; VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L73] COND FALSE !((int )p_dw_pc == 1) VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L83] __retres1 = 0 VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L85] return (__retres1); [L321] RET, EXPR is_do_write_p_triggered() VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, is_do_write_p_triggered()=0, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L321] tmp = is_do_write_p_triggered() [L323] COND FALSE !(\read(tmp)) VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, tmp=0, token=0] [L329] CALL, EXPR is_do_read_c_triggered() VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L89] int __retres1 ; VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L92] COND FALSE !((int )c_dr_pc == 1) VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L102] __retres1 = 0 VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L104] return (__retres1); [L329] RET, EXPR is_do_read_c_triggered() VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, is_do_read_c_triggered()=0, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, 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 [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_10=2, E_11=2, E_12=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, kernel_st=0, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L424] CALL reset_delta_events1() VAL [\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, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, 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 [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_10=2, E_11=2, E_12=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, kernel_st=0, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, 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 [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L347] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L350] CALL, EXPR exists_runnable_thread1() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, 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 [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_10=2, E_11=2, E_12=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, exists_runnable_thread1()=1, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L350] tmp___1 = exists_runnable_thread1() [L352] COND TRUE \read(tmp___1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, 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 [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, tmp=0, tmp___1=1, token=0] [L367] CALL error1() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] [L28] reach_error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_10=2, E_11=2, E_12=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, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, T10_E=2, t10_i=0, t10_pc=0, t10_st=0, T11_E=2, t11_i=0, t11_pc=0, t11_st=0, T12_E=2, t12_i=0, t12_pc=0, t12_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, T8_E=2, t8_i=0, t8_pc=0, t8_st=0, T9_E=2, t9_i=0, t9_pc=0, t9_st=0, token=0] - UnprovableResult [Line: 496]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 261 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1080 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1071 mSDsluCounter, 1226 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 746 mSDsCounter, 362 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 746 IncrementalHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 362 mSolverCounterUnsat, 480 mSDtfsCounter, 746 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=594occurred in iteration=1, InterpolantAutomatonStates: 9, 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, 1 MinimizatonAttempts, 80 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 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! [2022-11-19 06:35:06,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362ae067-9a7c-4461-8c51-b8cfbd568779/bin/utaipan-I9t0OCRTmS/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