./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/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_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 03:31:17,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:31:17,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:31:17,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:31:17,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:31:17,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:31:17,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:31:17,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:31:17,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:31:17,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:31:17,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:31:17,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:31:17,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:31:17,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:31:17,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:31:17,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:31:17,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:31:17,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:31:17,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:31:17,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:31:17,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:31:17,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:31:17,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:31:17,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:31:17,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:31:17,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:31:17,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:31:17,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:31:17,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:31:17,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:31:17,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:31:17,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:31:17,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:31:17,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:31:17,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:31:17,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:31:17,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:31:17,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:31:17,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:31:17,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:31:17,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:31:17,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 03:31:17,381 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:31:17,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:31:17,382 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:31:17,382 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:31:17,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:31:17,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:31:17,384 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:31:17,384 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:31:17,384 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:31:17,384 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:31:17,385 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:31:17,386 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:31:17,386 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:31:17,386 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:31:17,386 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:31:17,386 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:31:17,387 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:31:17,387 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:31:17,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:31:17,388 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:31:17,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:31:17,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:31:17,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:31:17,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:31:17,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:31:17,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:31:17,390 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:31:17,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:31:17,391 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:31:17,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:31:17,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:31:17,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:31:17,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:31:17,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:31:17,392 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:31:17,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:31:17,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:31:17,393 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:31:17,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:31:17,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:31:17,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:31:17,394 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_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afc452e582a18ce642d1e41e01e6f77614ca2cc57c3cb5416c5427160b30d0ba [2022-11-03 03:31:17,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:31:17,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:31:17,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:31:17,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:31:17,696 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:31:17,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c [2022-11-03 03:31:17,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/data/42c33f909/7bb88c59767149f79b92fdf9bbff61b4/FLAG8a1c0bcb3 [2022-11-03 03:31:18,254 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:31:18,255 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c [2022-11-03 03:31:18,271 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/data/42c33f909/7bb88c59767149f79b92fdf9bbff61b4/FLAG8a1c0bcb3 [2022-11-03 03:31:18,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/data/42c33f909/7bb88c59767149f79b92fdf9bbff61b4 [2022-11-03 03:31:18,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:31:18,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:31:18,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:31:18,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:31:18,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:31:18,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:31:18" (1/1) ... [2022-11-03 03:31:18,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f993616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:18, skipping insertion in model container [2022-11-03 03:31:18,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:31:18" (1/1) ... [2022-11-03 03:31:18,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:31:18,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:31:18,881 WARN L230 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_0e026f10-89f1-49d0-b94d-2bc3f21016a5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c[914,927] [2022-11-03 03:31:18,974 WARN L230 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_0e026f10-89f1-49d0-b94d-2bc3f21016a5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c[7125,7138] [2022-11-03 03:31:19,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:31:19,157 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:31:19,178 WARN L230 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_0e026f10-89f1-49d0-b94d-2bc3f21016a5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c[914,927] [2022-11-03 03:31:19,206 WARN L230 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_0e026f10-89f1-49d0-b94d-2bc3f21016a5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c[7125,7138] [2022-11-03 03:31:19,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:31:19,319 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:31:19,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:19 WrapperNode [2022-11-03 03:31:19,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:31:19,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:31:19,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:31:19,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:31:19,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:19" (1/1) ... [2022-11-03 03:31:19,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:19" (1/1) ... [2022-11-03 03:31:19,404 INFO L138 Inliner]: procedures = 77, calls = 94, calls flagged for inlining = 46, calls inlined = 46, statements flattened = 1041 [2022-11-03 03:31:19,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:31:19,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:31:19,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:31:19,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:31:19,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:19" (1/1) ... [2022-11-03 03:31:19,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:19" (1/1) ... [2022-11-03 03:31:19,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:19" (1/1) ... [2022-11-03 03:31:19,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:19" (1/1) ... [2022-11-03 03:31:19,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:19" (1/1) ... [2022-11-03 03:31:19,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:19" (1/1) ... [2022-11-03 03:31:19,493 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:19" (1/1) ... [2022-11-03 03:31:19,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:19" (1/1) ... [2022-11-03 03:31:19,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:31:19,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:31:19,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:31:19,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:31:19,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:19" (1/1) ... [2022-11-03 03:31:19,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:31:19,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:31:19,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:31:19,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:31:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:31:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-11-03 03:31:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-11-03 03:31:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2022-11-03 03:31:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2022-11-03 03:31:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-11-03 03:31:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-11-03 03:31:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-11-03 03:31:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-11-03 03:31:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2022-11-03 03:31:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2022-11-03 03:31:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-11-03 03:31:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-11-03 03:31:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-11-03 03:31:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-11-03 03:31:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2022-11-03 03:31:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2022-11-03 03:31:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2022-11-03 03:31:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2022-11-03 03:31:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2022-11-03 03:31:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2022-11-03 03:31:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-11-03 03:31:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-11-03 03:31:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:31:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-11-03 03:31:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-11-03 03:31:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2022-11-03 03:31:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2022-11-03 03:31:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:31:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:31:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-11-03 03:31:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-11-03 03:31:19,791 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:31:19,793 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:31:21,021 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:31:21,626 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:31:21,627 INFO L300 CfgBuilder]: Removed 19 assume(true) statements. [2022-11-03 03:31:21,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:31:21 BoogieIcfgContainer [2022-11-03 03:31:21,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:31:21,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:31:21,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:31:21,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:31:21,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:31:18" (1/3) ... [2022-11-03 03:31:21,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1badc38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:31:21, skipping insertion in model container [2022-11-03 03:31:21,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:19" (2/3) ... [2022-11-03 03:31:21,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1badc38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:31:21, skipping insertion in model container [2022-11-03 03:31:21,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:31:21" (3/3) ... [2022-11-03 03:31:21,646 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2+token_ring.12.cil-2.c [2022-11-03 03:31:21,667 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:31:21,667 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-03 03:31:21,750 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:31:21,769 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;@752ddd70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:31:21,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-03 03:31:21,781 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) [2022-11-03 03:31:21,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-03 03:31:21,793 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:21,793 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] [2022-11-03 03:31:21,795 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:21,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:21,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1177164283, now seen corresponding path program 1 times [2022-11-03 03:31:21,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:21,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920154449] [2022-11-03 03:31:21,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:21,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:22,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:31:22,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:22,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920154449] [2022-11-03 03:31:22,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920154449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:22,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:22,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:31:22,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877600897] [2022-11-03 03:31:22,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:22,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:31:22,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:22,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:31:22,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:31:22,231 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) [2022-11-03 03:31:23,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:23,497 INFO L93 Difference]: Finished difference Result 949 states and 1402 transitions. [2022-11-03 03:31:23,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 03:31:23,500 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 [2022-11-03 03:31:23,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:23,520 INFO L225 Difference]: With dead ends: 949 [2022-11-03 03:31:23,520 INFO L226 Difference]: Without dead ends: 674 [2022-11-03 03:31:23,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:31:23,534 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 1071 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:23,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 1225 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-03 03:31:23,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2022-11-03 03:31:23,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 594. [2022-11-03 03:31:23,685 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) [2022-11-03 03:31:23,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 798 transitions. [2022-11-03 03:31:23,694 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 798 transitions. Word has length 40 [2022-11-03 03:31:23,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:23,694 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 798 transitions. [2022-11-03 03:31:23,695 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) [2022-11-03 03:31:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 798 transitions. [2022-11-03 03:31:23,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-03 03:31:23,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:23,697 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] [2022-11-03 03:31:23,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:31:23,698 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:23,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:23,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1838498074, now seen corresponding path program 1 times [2022-11-03 03:31:23,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:23,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453264955] [2022-11-03 03:31:23,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:23,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:31:23,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 03:31:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:31:23,793 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 03:31:23,794 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 03:31:23,796 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-03 03:31:23,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-11-03 03:31:23,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:31:23,801 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 03:31:23,806 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:31:23,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:31:23 BoogieIcfgContainer [2022-11-03 03:31:23,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:31:23,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:31:23,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:31:23,903 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:31:23,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:31:21" (3/4) ... [2022-11-03 03:31:23,905 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-03 03:31:24,023 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:31:24,024 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:31:24,025 INFO L158 Benchmark]: Toolchain (without parser) took 5436.41ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 106.1MB in the beginning and 71.3MB in the end (delta: 34.7MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2022-11-03 03:31:24,025 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory was 123.7MB in the beginning and 123.5MB in the end (delta: 141.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:31:24,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.18ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.5MB in the end (delta: 1.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 03:31:24,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.13ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 99.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 03:31:24,026 INFO L158 Benchmark]: Boogie Preprocessor took 102.26ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 95.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 03:31:24,026 INFO L158 Benchmark]: RCFGBuilder took 2113.99ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 95.0MB in the beginning and 128.0MB in the end (delta: -33.0MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2022-11-03 03:31:24,027 INFO L158 Benchmark]: TraceAbstraction took 2265.74ms. Allocated memory is still 186.6MB. Free memory was 128.0MB in the beginning and 82.9MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2022-11-03 03:31:24,027 INFO L158 Benchmark]: Witness Printer took 121.43ms. Allocated memory is still 186.6MB. Free memory was 82.9MB in the beginning and 71.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 03:31:24,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory was 123.7MB in the beginning and 123.5MB in the end (delta: 141.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 730.18ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.5MB in the end (delta: 1.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.13ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 99.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.26ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 95.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2113.99ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 95.0MB in the beginning and 128.0MB in the end (delta: -33.0MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2265.74ms. Allocated memory is still 186.6MB. Free memory was 128.0MB in the beginning and 82.9MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Witness Printer took 121.43ms. Allocated memory is still 186.6MB. Free memory was 82.9MB in the beginning and 71.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 28]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L33] int q_buf_0 ; [L34] int q_free ; [L35] int q_read_ev ; [L36] int q_write_ev ; [L37] int q_req_up ; [L38] int q_ev ; [L59] int p_num_write ; [L60] int p_last_write ; [L61] int p_dw_st ; [L62] int p_dw_pc ; [L63] int p_dw_i ; [L64] int c_num_read ; [L65] int c_last_read ; [L66] int c_dr_st ; [L67] int c_dr_pc ; [L68] int c_dr_i ; [L172] static int a_t ; [L500] int m_pc = 0; [L501] int t1_pc = 0; [L502] int t2_pc = 0; [L503] int t3_pc = 0; [L504] int t4_pc = 0; [L505] int t5_pc = 0; [L506] int t6_pc = 0; [L507] int t7_pc = 0; [L508] int t8_pc = 0; [L509] int t9_pc = 0; [L510] int t10_pc = 0; [L511] int t11_pc = 0; [L512] int t12_pc = 0; [L513] int m_st ; [L514] int t1_st ; [L515] int t2_st ; [L516] int t3_st ; [L517] int t4_st ; [L518] int t5_st ; [L519] int t6_st ; [L520] int t7_st ; [L521] int t8_st ; [L522] int t9_st ; [L523] int t10_st ; [L524] int t11_st ; [L525] int t12_st ; [L526] int m_i ; [L527] int t1_i ; [L528] int t2_i ; [L529] int t3_i ; [L530] int t4_i ; [L531] int t5_i ; [L532] int t6_i ; [L533] int t7_i ; [L534] int t8_i ; [L535] int t9_i ; [L536] int t10_i ; [L537] int t11_i ; [L538] int t12_i ; [L539] int M_E = 2; [L540] int T1_E = 2; [L541] int T2_E = 2; [L542] int T3_E = 2; [L543] int T4_E = 2; [L544] int T5_E = 2; [L545] int T6_E = 2; [L546] int T7_E = 2; [L547] int T8_E = 2; [L548] int T9_E = 2; [L549] int T10_E = 2; [L550] int T11_E = 2; [L551] int T12_E = 2; [L552] int E_M = 2; [L553] int E_1 = 2; [L554] int E_2 = 2; [L555] int E_3 = 2; [L556] int E_4 = 2; [L557] int E_5 = 2; [L558] int E_6 = 2; [L559] int E_7 = 2; [L560] int E_8 = 2; [L561] int E_9 = 2; [L562] int E_10 = 2; [L563] int E_11 = 2; [L564] int E_12 = 2; [L579] int token ; [L581] int local ; [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: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1080 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1071 mSDsluCounter, 1225 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 944 mSDsCounter, 364 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 745 IncrementalHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 364 mSolverCounterUnsat, 479 mSDtfsCounter, 745 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, 0.0s 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: 0.1s 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! [2022-11-03 03:31:24,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026f10-89f1-49d0-b94d-2bc3f21016a5/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE