./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b09c85b7 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_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f58f201da760ce0979516aee35f163e5c35cd587f19dc7144725dfa101235aca --- 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-b09c85b [2022-11-08 07:42:35,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-08 07:42:35,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-08 07:42:35,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-08 07:42:35,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-08 07:42:35,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-08 07:42:36,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-08 07:42:36,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-08 07:42:36,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-08 07:42:36,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-08 07:42:36,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-08 07:42:36,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-08 07:42:36,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-08 07:42:36,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-08 07:42:36,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-08 07:42:36,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-08 07:42:36,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-08 07:42:36,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-08 07:42:36,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-08 07:42:36,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-08 07:42:36,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-08 07:42:36,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-08 07:42:36,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-08 07:42:36,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-08 07:42:36,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-08 07:42:36,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-08 07:42:36,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-08 07:42:36,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-08 07:42:36,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-08 07:42:36,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-08 07:42:36,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-08 07:42:36,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-08 07:42:36,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-08 07:42:36,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-08 07:42:36,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-08 07:42:36,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-08 07:42:36,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-08 07:42:36,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-08 07:42:36,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-08 07:42:36,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-08 07:42:36,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-08 07:42:36,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-08 07:42:36,105 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-08 07:42:36,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-08 07:42:36,106 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-08 07:42:36,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-08 07:42:36,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-08 07:42:36,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-08 07:42:36,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-08 07:42:36,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-08 07:42:36,109 INFO L138 SettingsManager]: * Use SBE=true [2022-11-08 07:42:36,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-08 07:42:36,111 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-08 07:42:36,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-08 07:42:36,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-08 07:42:36,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-08 07:42:36,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-08 07:42:36,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-08 07:42:36,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-08 07:42:36,112 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-08 07:42:36,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-08 07:42:36,113 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-08 07:42:36,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-08 07:42:36,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-08 07:42:36,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-08 07:42:36,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-08 07:42:36,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-08 07:42:36,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:42:36,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-08 07:42:36,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-08 07:42:36,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-08 07:42:36,116 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-08 07:42:36,116 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-08 07:42:36,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-08 07:42:36,117 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-08 07:42:36,117 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-08 07:42:36,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-08 07:42:36,118 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-08 07:42:36,118 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-08 07:42:36,118 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_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f58f201da760ce0979516aee35f163e5c35cd587f19dc7144725dfa101235aca [2022-11-08 07:42:36,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-08 07:42:36,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-08 07:42:36,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-08 07:42:36,464 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-08 07:42:36,465 INFO L275 PluginConnector]: CDTParser initialized [2022-11-08 07:42:36,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/../../sv-benchmarks/c/pthread-wmm/mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2022-11-08 07:42:36,550 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/data/c079489d0/44fb255ef9c54ad28ac6568d9b12350f/FLAG216e36afc [2022-11-08 07:42:37,170 INFO L306 CDTParser]: Found 1 translation units. [2022-11-08 07:42:37,170 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/sv-benchmarks/c/pthread-wmm/mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2022-11-08 07:42:37,202 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/data/c079489d0/44fb255ef9c54ad28ac6568d9b12350f/FLAG216e36afc [2022-11-08 07:42:37,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/data/c079489d0/44fb255ef9c54ad28ac6568d9b12350f [2022-11-08 07:42:37,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-08 07:42:37,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-08 07:42:37,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-08 07:42:37,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-08 07:42:37,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-08 07:42:37,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:42:37" (1/1) ... [2022-11-08 07:42:37,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5c82fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:37, skipping insertion in model container [2022-11-08 07:42:37,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:42:37" (1/1) ... [2022-11-08 07:42:37,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-08 07:42:37,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-08 07:42:37,703 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_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/sv-benchmarks/c/pthread-wmm/mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.i[979,992] [2022-11-08 07:42:38,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:42:38,028 INFO L203 MainTranslator]: Completed pre-run [2022-11-08 07:42:38,044 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_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/sv-benchmarks/c/pthread-wmm/mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.i[979,992] [2022-11-08 07:42:38,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:42:38,157 INFO L208 MainTranslator]: Completed translation [2022-11-08 07:42:38,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:38 WrapperNode [2022-11-08 07:42:38,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-08 07:42:38,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-08 07:42:38,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-08 07:42:38,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-08 07:42:38,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:38" (1/1) ... [2022-11-08 07:42:38,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:38" (1/1) ... [2022-11-08 07:42:38,243 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 160 [2022-11-08 07:42:38,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-08 07:42:38,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-08 07:42:38,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-08 07:42:38,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-08 07:42:38,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:38" (1/1) ... [2022-11-08 07:42:38,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:38" (1/1) ... [2022-11-08 07:42:38,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:38" (1/1) ... [2022-11-08 07:42:38,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:38" (1/1) ... [2022-11-08 07:42:38,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:38" (1/1) ... [2022-11-08 07:42:38,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:38" (1/1) ... [2022-11-08 07:42:38,300 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:38" (1/1) ... [2022-11-08 07:42:38,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:38" (1/1) ... [2022-11-08 07:42:38,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-08 07:42:38,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-08 07:42:38,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-08 07:42:38,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-08 07:42:38,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:38" (1/1) ... [2022-11-08 07:42:38,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:42:38,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:38,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-08 07:42:38,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-08 07:42:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-08 07:42:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-08 07:42:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-08 07:42:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-08 07:42:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-08 07:42:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-08 07:42:38,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-08 07:42:38,401 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-08 07:42:38,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-08 07:42:38,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-08 07:42:38,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-08 07:42:38,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-08 07:42:38,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-08 07:42:38,403 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-08 07:42:38,617 INFO L235 CfgBuilder]: Building ICFG [2022-11-08 07:42:38,619 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-08 07:42:39,366 INFO L276 CfgBuilder]: Performing block encoding [2022-11-08 07:42:40,065 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-08 07:42:40,065 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-08 07:42:40,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:42:40 BoogieIcfgContainer [2022-11-08 07:42:40,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-08 07:42:40,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-08 07:42:40,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-08 07:42:40,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-08 07:42:40,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:42:37" (1/3) ... [2022-11-08 07:42:40,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e35e361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:42:40, skipping insertion in model container [2022-11-08 07:42:40,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:38" (2/3) ... [2022-11-08 07:42:40,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e35e361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:42:40, skipping insertion in model container [2022-11-08 07:42:40,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:42:40" (3/3) ... [2022-11-08 07:42:40,082 INFO L112 eAbstractionObserver]: Analyzing ICFG mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2022-11-08 07:42:40,091 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-08 07:42:40,101 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-08 07:42:40,101 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-08 07:42:40,102 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-08 07:42:40,184 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-08 07:42:40,256 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:40,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:42:40,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:40,261 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:42:40,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-08 07:42:40,318 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:42:40,342 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-08 07:42:40,354 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=PARTIAL_ORDER_FA, 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;@4b715c76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:40,355 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-08 07:42:40,696 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-08 07:42:40,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:40,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1286598403, now seen corresponding path program 1 times [2022-11-08 07:42:40,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:40,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370419269] [2022-11-08 07:42:40,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:40,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:41,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:41,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:41,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370419269] [2022-11-08 07:42:41,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370419269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:41,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:41,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-08 07:42:41,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142971253] [2022-11-08 07:42:41,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:41,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-08 07:42:41,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:41,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-08 07:42:41,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-08 07:42:41,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:41,123 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:41,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:41,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:41,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-08 07:42:41,161 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-08 07:42:41,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:41,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1758372160, now seen corresponding path program 1 times [2022-11-08 07:42:41,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:41,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912414536] [2022-11-08 07:42:41,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:41,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:41,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:41,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:41,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912414536] [2022-11-08 07:42:41,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912414536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:41,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:41,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-08 07:42:41,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4867359] [2022-11-08 07:42:41,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:41,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-08 07:42:41,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:41,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-08 07:42:41,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-08 07:42:41,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:41,856 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:41,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:41,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:41,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:42,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:42,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-08 07:42:42,073 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-08 07:42:42,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:42,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1431060467, now seen corresponding path program 1 times [2022-11-08 07:42:42,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:42,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134904146] [2022-11-08 07:42:42,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:42,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:42,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:42,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134904146] [2022-11-08 07:42:42,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134904146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:42,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:42,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-08 07:42:42,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035170881] [2022-11-08 07:42:42,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:42,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-08 07:42:42,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:42,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-08 07:42:42,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-08 07:42:42,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:42,611 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:42,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:42,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:42,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:42,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:43,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:43,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-08 07:42:43,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:43,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-08 07:42:43,386 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-08 07:42:43,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:43,387 INFO L85 PathProgramCache]: Analyzing trace with hash -481040345, now seen corresponding path program 2 times [2022-11-08 07:42:43,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:43,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670197805] [2022-11-08 07:42:43,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:43,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-08 07:42:43,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-08 07:42:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-08 07:42:43,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-08 07:42:43,575 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-08 07:42:43,576 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-08 07:42:43,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-08 07:42:43,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-08 07:42:43,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-08 07:42:43,598 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-11-08 07:42:43,600 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (1/2) [2022-11-08 07:42:43,604 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-08 07:42:43,605 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-08 07:42:43,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:42:43 BasicIcfg [2022-11-08 07:42:43,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-08 07:42:43,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-08 07:42:43,754 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-08 07:42:43,754 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-08 07:42:43,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:42:40" (3/4) ... [2022-11-08 07:42:43,756 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-08 07:42:43,861 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/witness.graphml [2022-11-08 07:42:43,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-08 07:42:43,865 INFO L158 Benchmark]: Toolchain (without parser) took 6437.49ms. Allocated memory was 104.9MB in the beginning and 161.5MB in the end (delta: 56.6MB). Free memory was 65.1MB in the beginning and 87.7MB in the end (delta: -22.7MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-11-08 07:42:43,865 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory was 82.9MB in the beginning and 82.8MB in the end (delta: 91.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-08 07:42:43,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 728.98ms. Allocated memory is still 104.9MB. Free memory was 64.9MB in the beginning and 67.2MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-08 07:42:43,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.61ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 64.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:42:43,866 INFO L158 Benchmark]: Boogie Preprocessor took 73.12ms. Allocated memory is still 104.9MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:42:43,867 INFO L158 Benchmark]: RCFGBuilder took 1749.54ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 62.6MB in the beginning and 92.4MB in the end (delta: -29.9MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2022-11-08 07:42:43,867 INFO L158 Benchmark]: TraceAbstraction took 3680.42ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 91.4MB in the beginning and 110.8MB in the end (delta: -19.4MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. [2022-11-08 07:42:43,868 INFO L158 Benchmark]: Witness Printer took 110.34ms. Allocated memory is still 161.5MB. Free memory was 110.8MB in the beginning and 87.7MB in the end (delta: 23.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-08 07:42:43,870 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 104.9MB. Free memory was 82.9MB in the beginning and 82.8MB in the end (delta: 91.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 728.98ms. Allocated memory is still 104.9MB. Free memory was 64.9MB in the beginning and 67.2MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.61ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 64.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.12ms. Allocated memory is still 104.9MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1749.54ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 62.6MB in the beginning and 92.4MB in the end (delta: -29.9MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3680.42ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 91.4MB in the beginning and 110.8MB in the end (delta: -19.4MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. * Witness Printer took 110.34ms. Allocated memory is still 161.5MB. Free memory was 110.8MB in the beginning and 87.7MB in the end (delta: 23.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2106, positive: 1956, positive conditional: 1210, positive unconditional: 746, negative: 150, negative conditional: 127, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2061, positive: 1956, positive conditional: 1210, positive unconditional: 746, negative: 105, negative conditional: 82, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2061, positive: 1956, positive conditional: 1210, positive unconditional: 746, negative: 105, negative conditional: 82, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2180, positive: 1956, positive conditional: 9, positive unconditional: 1947, negative: 224, negative conditional: 110, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2180, positive: 1956, positive conditional: 9, positive unconditional: 1947, negative: 224, negative conditional: 7, negative unconditional: 217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2180, positive: 1956, positive conditional: 9, positive unconditional: 1947, negative: 224, negative conditional: 7, negative unconditional: 217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 775, positive: 749, positive conditional: 3, positive unconditional: 746, negative: 26, negative conditional: 1, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 775, positive: 743, positive conditional: 0, positive unconditional: 743, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 26, negative conditional: 1, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 529, positive: 52, positive conditional: 7, positive unconditional: 45, negative: 477, negative conditional: 4, negative unconditional: 473, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2180, positive: 1207, positive conditional: 6, positive unconditional: 1201, negative: 198, negative conditional: 6, negative unconditional: 192, unknown: 775, unknown conditional: 4, unknown unconditional: 771] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 749, Positive conditional cache size: 3, Positive unconditional cache size: 746, Negative cache size: 26, Negative conditional cache size: 1, Negative unconditional cache size: 25, Eliminated conditions: 103, Maximal queried relation: 2, Independence queries for same thread: 45 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 426, Number of trivial persistent sets: 220, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 769, positive: 746, positive conditional: 0, positive unconditional: 746, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2106, positive: 1956, positive conditional: 1210, positive unconditional: 746, negative: 150, negative conditional: 127, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2061, positive: 1956, positive conditional: 1210, positive unconditional: 746, negative: 105, negative conditional: 82, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2061, positive: 1956, positive conditional: 1210, positive unconditional: 746, negative: 105, negative conditional: 82, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2180, positive: 1956, positive conditional: 9, positive unconditional: 1947, negative: 224, negative conditional: 110, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2180, positive: 1956, positive conditional: 9, positive unconditional: 1947, negative: 224, negative conditional: 7, negative unconditional: 217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2180, positive: 1956, positive conditional: 9, positive unconditional: 1947, negative: 224, negative conditional: 7, negative unconditional: 217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 775, positive: 749, positive conditional: 3, positive unconditional: 746, negative: 26, negative conditional: 1, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 775, positive: 743, positive conditional: 0, positive unconditional: 743, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 26, negative conditional: 1, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 529, positive: 52, positive conditional: 7, positive unconditional: 45, negative: 477, negative conditional: 4, negative unconditional: 473, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2180, positive: 1207, positive conditional: 6, positive unconditional: 1201, negative: 198, negative conditional: 6, negative unconditional: 192, unknown: 775, unknown conditional: 4, unknown unconditional: 771] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 749, Positive conditional cache size: 3, Positive unconditional cache size: 746, Negative cache size: 26, Negative conditional cache size: 1, Negative unconditional cache size: 25, Eliminated conditions: 103, Maximal queried relation: 2, Independence queries for same thread: 45 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L710] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L711] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0] [L712] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L714] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L716] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L717] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L718] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L719] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L720] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L721] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L722] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L723] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L724] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L725] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L726] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L727] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L728] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L729] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L730] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L731] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L732] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L805] 0 pthread_t t1441; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1441={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L806] FCALL, FORK 0 pthread_create(&t1441, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1441, ((void *)0), P0, ((void *)0))=-1, t1441={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L807] 0 pthread_t t1442; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1441={5:0}, t1442={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L808] FCALL, FORK 0 pthread_create(&t1442, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1442, ((void *)0), P1, ((void *)0))=0, t1441={5:0}, t1442={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L736] 1 y$w_buff1 = y$w_buff0 [L737] 1 y$w_buff0 = 1 [L738] 1 y$w_buff1_used = y$w_buff0_used [L739] 1 y$w_buff0_used = (_Bool)1 [L740] CALL 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L740] RET 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L741] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L742] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L743] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L744] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L764] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L767] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L768] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L769] 2 y$flush_delayed = weak$$choice2 [L770] 2 y$mem_tmp = y [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L771] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L772] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L772] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L772] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L773] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L773] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L773] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L774] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L774] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L774] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L774] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L775] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L775] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L776] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L776] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L777] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L777] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] 2 __unbuffered_p1_EAX = y [L779] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L779] 2 y = y$flush_delayed ? y$mem_tmp : y [L780] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L783] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L783] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L783] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L783] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L784] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L784] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L785] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L785] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L786] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L786] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L787] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L787] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L790] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L792] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L750] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L751] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L752] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L753] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L754] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L757] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L810] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1441={5:0}, t1442={3:0}, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L812] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L812] RET 0 assume_abort_if_not(main$tmp_guard0) [L814] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L814] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L814] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L814] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L815] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L815] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L816] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L816] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L817] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L817] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L818] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L818] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L821] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1441={5:0}, t1442={3:0}, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L823] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - UnprovableResult [Line: 806]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 808]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 401 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2022-11-08 07:42:43,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:44,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa06587-1d9b-44c1-a6fb-efcf4c3cab75/bin/ugemcutter-QpsTfqS70U/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