./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 4e7fbc69 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_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/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_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 15:13:38,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:13:38,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:13:38,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:13:38,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:13:38,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:13:38,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:13:38,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:13:38,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:13:38,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:13:38,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:13:38,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:13:38,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:13:38,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:13:38,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:13:38,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:13:38,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:13:38,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:13:38,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:13:38,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:13:38,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:13:38,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:13:38,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:13:38,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:13:38,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:13:38,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:13:38,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:13:38,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:13:38,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:13:38,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:13:38,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:13:38,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:13:38,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:13:38,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:13:38,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:13:38,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:13:38,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:13:38,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:13:38,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:13:38,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:13:38,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:13:38,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:13:38,457 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:13:38,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:13:38,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:13:38,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:13:38,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:13:38,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:13:38,461 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:13:38,461 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:13:38,461 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:13:38,461 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:13:38,463 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:13:38,463 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:13:38,463 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:13:38,464 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:13:38,464 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:13:38,464 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:13:38,464 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:13:38,465 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:13:38,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:13:38,466 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:13:38,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:13:38,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:13:38,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:13:38,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:13:38,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:13:38,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:13:38,468 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:13:38,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:13:38,468 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:13:38,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:13:38,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:13:38,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:13:38,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:13:38,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:13:38,470 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:13:38,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:13:38,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:13:38,472 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:13:38,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:13:38,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:13:38,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:13:38,473 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_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afc452e582a18ce642d1e41e01e6f77614ca2cc57c3cb5416c5427160b30d0ba [2022-11-23 15:13:38,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:13:38,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:13:38,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:13:38,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:13:38,865 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:13:38,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c [2022-11-23 15:13:41,992 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:13:42,304 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:13:42,305 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c [2022-11-23 15:13:42,321 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/data/7dbc484d1/895314f1d8534f61beb6faa51b9bdeaa/FLAG2f67f5cfb [2022-11-23 15:13:42,339 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/data/7dbc484d1/895314f1d8534f61beb6faa51b9bdeaa [2022-11-23 15:13:42,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:13:42,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:13:42,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:13:42,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:13:42,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:13:42,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:13:42" (1/1) ... [2022-11-23 15:13:42,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9c3692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:42, skipping insertion in model container [2022-11-23 15:13:42,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:13:42" (1/1) ... [2022-11-23 15:13:42,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:13:42,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:13:42,641 WARN L237 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_3c95e729-daa8-40f8-b508-d92fb67300ca/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c[914,927] [2022-11-23 15:13:42,785 WARN L237 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_3c95e729-daa8-40f8-b508-d92fb67300ca/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c[7125,7138] [2022-11-23 15:13:42,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:13:42,924 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:13:42,938 WARN L237 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_3c95e729-daa8-40f8-b508-d92fb67300ca/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c[914,927] [2022-11-23 15:13:42,959 WARN L237 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_3c95e729-daa8-40f8-b508-d92fb67300ca/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.12.cil-2.c[7125,7138] [2022-11-23 15:13:43,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:13:43,050 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:13:43,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:43 WrapperNode [2022-11-23 15:13:43,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:13:43,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:13:43,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:13:43,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:13:43,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:43" (1/1) ... [2022-11-23 15:13:43,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:43" (1/1) ... [2022-11-23 15:13:43,152 INFO L138 Inliner]: procedures = 77, calls = 94, calls flagged for inlining = 46, calls inlined = 46, statements flattened = 1041 [2022-11-23 15:13:43,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:13:43,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:13:43,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:13:43,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:13:43,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:43" (1/1) ... [2022-11-23 15:13:43,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:43" (1/1) ... [2022-11-23 15:13:43,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:43" (1/1) ... [2022-11-23 15:13:43,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:43" (1/1) ... [2022-11-23 15:13:43,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:43" (1/1) ... [2022-11-23 15:13:43,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:43" (1/1) ... [2022-11-23 15:13:43,244 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:43" (1/1) ... [2022-11-23 15:13:43,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:43" (1/1) ... [2022-11-23 15:13:43,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:13:43,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:13:43,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:13:43,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:13:43,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:43" (1/1) ... [2022-11-23 15:13:43,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:13:43,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:13:43,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:13:43,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:13:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:13:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-11-23 15:13:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-11-23 15:13:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2022-11-23 15:13:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2022-11-23 15:13:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-11-23 15:13:43,405 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-11-23 15:13:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-11-23 15:13:43,405 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-11-23 15:13:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2022-11-23 15:13:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2022-11-23 15:13:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-11-23 15:13:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-11-23 15:13:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-11-23 15:13:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-11-23 15:13:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2022-11-23 15:13:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2022-11-23 15:13:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2022-11-23 15:13:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2022-11-23 15:13:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2022-11-23 15:13:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2022-11-23 15:13:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-11-23 15:13:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-11-23 15:13:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:13:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-11-23 15:13:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-11-23 15:13:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2022-11-23 15:13:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2022-11-23 15:13:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:13:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:13:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-11-23 15:13:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-11-23 15:13:43,613 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:13:43,616 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:13:45,039 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:13:45,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:13:45,712 INFO L300 CfgBuilder]: Removed 19 assume(true) statements. [2022-11-23 15:13:45,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:13:45 BoogieIcfgContainer [2022-11-23 15:13:45,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:13:45,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:13:45,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:13:45,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:13:45,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:13:42" (1/3) ... [2022-11-23 15:13:45,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3379d86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:13:45, skipping insertion in model container [2022-11-23 15:13:45,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:43" (2/3) ... [2022-11-23 15:13:45,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3379d86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:13:45, skipping insertion in model container [2022-11-23 15:13:45,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:13:45" (3/3) ... [2022-11-23 15:13:45,736 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2+token_ring.12.cil-2.c [2022-11-23 15:13:45,761 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:13:45,761 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:13:45,857 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:13:45,866 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;@24fb82d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:13:45,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:13:45,875 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) [2022-11-23 15:13:45,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-23 15:13:45,888 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:13:45,889 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] [2022-11-23 15:13:45,890 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:13:45,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:13:45,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1177164283, now seen corresponding path program 1 times [2022-11-23 15:13:45,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:13:45,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226849991] [2022-11-23 15:13:45,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:13:45,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:13:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:13:46,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:13:46,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:13:46,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226849991] [2022-11-23 15:13:46,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226849991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:13:46,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:13:46,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:13:46,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550184230] [2022-11-23 15:13:46,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:13:46,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:13:46,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:13:46,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:13:46,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:13:46,544 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) [2022-11-23 15:13:47,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:13:47,975 INFO L93 Difference]: Finished difference Result 949 states and 1402 transitions. [2022-11-23 15:13:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:13:47,979 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 [2022-11-23 15:13:47,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:13:47,998 INFO L225 Difference]: With dead ends: 949 [2022-11-23 15:13:47,998 INFO L226 Difference]: Without dead ends: 674 [2022-11-23 15:13:48,005 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 [2022-11-23 15:13:48,009 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 1071 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 362 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:13:48,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 1226 Invalid, 1108 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [362 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 15:13:48,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2022-11-23 15:13:48,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 594. [2022-11-23 15:13:48,135 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) [2022-11-23 15:13:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 798 transitions. [2022-11-23 15:13:48,142 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 798 transitions. Word has length 40 [2022-11-23 15:13:48,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:13:48,143 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 798 transitions. [2022-11-23 15:13:48,143 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) [2022-11-23 15:13:48,143 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 798 transitions. [2022-11-23 15:13:48,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-23 15:13:48,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:13:48,146 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] [2022-11-23 15:13:48,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:13:48,147 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:13:48,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:13:48,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1838498074, now seen corresponding path program 1 times [2022-11-23 15:13:48,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:13:48,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308598584] [2022-11-23 15:13:48,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:13:48,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:13:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:13:48,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:13:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:13:48,278 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 15:13:48,279 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:13:48,281 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-23 15:13:48,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-11-23 15:13:48,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:13:48,287 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 15:13:48,292 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:13:48,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:13:48 BoogieIcfgContainer [2022-11-23 15:13:48,402 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:13:48,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:13:48,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:13:48,403 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:13:48,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:13:45" (3/4) ... [2022-11-23 15:13:48,406 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 15:13:48,517 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:13:48,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:13:48,518 INFO L158 Benchmark]: Toolchain (without parser) took 6174.78ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 126.1MB in the beginning and 132.3MB in the end (delta: -6.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-23 15:13:48,519 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:13:48,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.30ms. Allocated memory is still 159.4MB. Free memory was 126.1MB in the beginning and 116.0MB in the end (delta: 10.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 15:13:48,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.48ms. Allocated memory is still 159.4MB. Free memory was 116.0MB in the beginning and 111.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:13:48,520 INFO L158 Benchmark]: Boogie Preprocessor took 93.86ms. Allocated memory is still 159.4MB. Free memory was 111.8MB in the beginning and 106.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:13:48,521 INFO L158 Benchmark]: RCFGBuilder took 2454.53ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 106.6MB in the beginning and 94.5MB in the end (delta: 12.1MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2022-11-23 15:13:48,521 INFO L158 Benchmark]: TraceAbstraction took 2681.48ms. Allocated memory is still 197.1MB. Free memory was 93.4MB in the beginning and 143.9MB in the end (delta: -50.4MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2022-11-23 15:13:48,522 INFO L158 Benchmark]: Witness Printer took 115.20ms. Allocated memory is still 197.1MB. Free memory was 143.9MB in the beginning and 132.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 15:13:48,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.30ms. Allocated memory is still 159.4MB. Free memory was 126.1MB in the beginning and 116.0MB in the end (delta: 10.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.48ms. Allocated memory is still 159.4MB. Free memory was 116.0MB in the beginning and 111.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.86ms. Allocated memory is still 159.4MB. Free memory was 111.8MB in the beginning and 106.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2454.53ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 106.6MB in the beginning and 94.5MB in the end (delta: 12.1MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2681.48ms. Allocated memory is still 197.1MB. Free memory was 93.4MB in the beginning and 143.9MB in the end (delta: -50.4MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Witness Printer took 115.20ms. Allocated memory is still 197.1MB. Free memory was 143.9MB in the beginning and 132.3MB 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: 2.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1080 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1071 mSDsluCounter, 1226 SdHoareTripleChecker+Invalid, 0.9s 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, 0.1s 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 80 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 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! [2022-11-23 15:13:48,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e729-daa8-40f8-b508-d92fb67300ca/bin/utaipan-Q6hlc19bkW/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