./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w --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 c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --- 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-2329fc7 [2022-12-13 09:33:56,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:33:56,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:33:56,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:33:56,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:33:56,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:33:56,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:33:56,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:33:56,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:33:56,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:33:56,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:33:56,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:33:56,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:33:56,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:33:56,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:33:56,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:33:56,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:33:56,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:33:56,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:33:56,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:33:56,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:33:56,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:33:56,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:33:56,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:33:56,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:33:56,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:33:56,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:33:56,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:33:56,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:33:56,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:33:56,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:33:56,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:33:56,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:33:56,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:33:56,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:33:56,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:33:56,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:33:56,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:33:56,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:33:56,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:33:56,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:33:56,392 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-12-13 09:33:56,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:33:56,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:33:56,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:33:56,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:33:56,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:33:56,418 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:33:56,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:33:56,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:33:56,419 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:33:56,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:33:56,419 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:33:56,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:33:56,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:33:56,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:33:56,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 09:33:56,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:33:56,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 09:33:56,421 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:33:56,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 09:33:56,421 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:33:56,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 09:33:56,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:33:56,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:33:56,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:33:56,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:33:56,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:33:56,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:33:56,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 09:33:56,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:33:56,423 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 09:33:56,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:33:56,423 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:33:56,423 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:33:56,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 09:33:56,423 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:33:56,424 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:33:56,424 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_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 [2022-12-13 09:33:56,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:33:56,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:33:56,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:33:56,637 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:33:56,638 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:33:56,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2022-12-13 09:33:59,161 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:33:59,399 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:33:59,400 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2022-12-13 09:33:59,412 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/data/aeed0acce/64c4c46044d24461b87cefdd1731e898/FLAGbcf0104b6 [2022-12-13 09:33:59,748 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/data/aeed0acce/64c4c46044d24461b87cefdd1731e898 [2022-12-13 09:33:59,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:33:59,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:33:59,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:33:59,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:33:59,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:33:59,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:33:59" (1/1) ... [2022-12-13 09:33:59,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250b0104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:33:59, skipping insertion in model container [2022-12-13 09:33:59,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:33:59" (1/1) ... [2022-12-13 09:33:59,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:33:59,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:33:59,912 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 09:34:00,255 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_9742e5a6-77cf-443c-b58a-23907d59f143/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2022-12-13 09:34:00,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:34:00,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:34:00,263 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:34:00,263 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:34:00,263 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:34:00,264 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:34:00,278 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:34:00,279 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:34:00,279 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:34:00,279 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:34:00,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:34:00,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:34:00,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:34:00,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:34:00,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:34:00,295 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:34:00,303 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 09:34:00,324 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_9742e5a6-77cf-443c-b58a-23907d59f143/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2022-12-13 09:34:00,326 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:34:00,326 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:34:00,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:34:00,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:34:00,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:34:00,328 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:34:00,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:34:00,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:34:00,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:34:00,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:34:00,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:34:00,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:34:00,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:34:00,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:34:00,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:34:00,414 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:34:00,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00 WrapperNode [2022-12-13 09:34:00,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:34:00,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:34:00,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:34:00,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:34:00,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 09:34:00,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 09:34:00,454 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2022-12-13 09:34:00,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:34:00,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:34:00,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:34:00,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:34:00,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 09:34:00,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 09:34:00,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 09:34:00,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 09:34:00,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 09:34:00,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 09:34:00,477 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 09:34:00,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 09:34:00,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:34:00,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:34:00,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:34:00,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:34:00,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 09:34:00,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:34:00,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:34:00,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 09:34:00,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 09:34:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 09:34:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:34:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 09:34:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 09:34:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 09:34:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:34:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 09:34:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:34:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:34:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-13 09:34:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-13 09:34:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:34:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 09:34:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 09:34:00,539 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 09:34:00,781 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 09:34:00,783 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:34:00,985 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 09:34:01,029 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:34:01,029 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 09:34:01,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:34:01 BoogieIcfgContainer [2022-12-13 09:34:01,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:34:01,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:34:01,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:34:01,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:34:01,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:33:59" (1/3) ... [2022-12-13 09:34:01,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acee218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:34:01, skipping insertion in model container [2022-12-13 09:34:01,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (2/3) ... [2022-12-13 09:34:01,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acee218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:34:01, skipping insertion in model container [2022-12-13 09:34:01,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:34:01" (3/3) ... [2022-12-13 09:34:01,041 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2022-12-13 09:34:01,047 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 09:34:01,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:34:01,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 09:34:01,055 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:34:01,109 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 09:34:01,149 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:34:01,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:34:01,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:34:01,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:34:01,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 09:34:01,185 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:34:01,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 09:34:01,205 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;@4df7139d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:34:01,205 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 09:34:01,244 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-13 09:34:01,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:34:01,250 INFO L85 PathProgramCache]: Analyzing trace with hash 994255705, now seen corresponding path program 1 times [2022-12-13 09:34:01,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:34:01,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020311037] [2022-12-13 09:34:01,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:34:01,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:34:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:34:01,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:34:01,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:34:01,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020311037] [2022-12-13 09:34:01,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020311037] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:34:01,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:34:01,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 09:34:01,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603281105] [2022-12-13 09:34:01,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:34:01,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 09:34:01,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:34:01,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 09:34:01,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 09:34:01,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:34:01,961 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:34:01,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2022-12-13 09:34:01,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:34:02,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:34:02,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 09:34:02,082 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-13 09:34:02,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:34:02,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1781529008, now seen corresponding path program 1 times [2022-12-13 09:34:02,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:34:02,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737815471] [2022-12-13 09:34:02,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:34:02,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:34:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:34:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:34:02,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:34:02,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737815471] [2022-12-13 09:34:02,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737815471] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:34:02,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:34:02,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 09:34:02,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287112451] [2022-12-13 09:34:02,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:34:02,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 09:34:02,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:34:02,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 09:34:02,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 09:34:02,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:34:02,345 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:34:02,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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) [2022-12-13 09:34:02,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:34:02,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:34:09,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:34:09,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:34:09,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 09:34:09,084 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-13 09:34:09,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:34:09,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1982250804, now seen corresponding path program 1 times [2022-12-13 09:34:09,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:34:09,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000636005] [2022-12-13 09:34:09,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:34:09,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:34:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:34:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:34:09,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:34:09,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000636005] [2022-12-13 09:34:09,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000636005] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:34:09,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:34:09,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:34:09,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923088006] [2022-12-13 09:34:09,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:34:09,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:34:09,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:34:09,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:34:09,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:34:09,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:34:09,343 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:34:09,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 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) [2022-12-13 09:34:09,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:34:09,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:34:09,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:34:09,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:34:09,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:34:09,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:34:09,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 09:34:09,413 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-13 09:34:09,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:34:09,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1320232357, now seen corresponding path program 1 times [2022-12-13 09:34:09,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:34:09,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627940035] [2022-12-13 09:34:09,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:34:09,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:34:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:34:09,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:34:09,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:34:09,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627940035] [2022-12-13 09:34:09,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627940035] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:34:09,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:34:09,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:34:09,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870288725] [2022-12-13 09:34:09,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:34:09,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:34:09,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:34:09,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:34:09,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:34:09,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:34:09,678 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:34:09,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 states have internal predecessors, (101), 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) [2022-12-13 09:34:09,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:34:09,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:34:09,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:34:09,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:34:09,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:34:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:34:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:34:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:34:09,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 09:34:09,763 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-13 09:34:09,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:34:09,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1581921984, now seen corresponding path program 1 times [2022-12-13 09:34:09,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:34:09,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529599131] [2022-12-13 09:34:09,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:34:09,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:34:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 09:34:09,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 09:34:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 09:34:09,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 09:34:09,915 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 09:34:09,916 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2022-12-13 09:34:09,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2022-12-13 09:34:09,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-12-13 09:34:09,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-12-13 09:34:09,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2022-12-13 09:34:09,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2022-12-13 09:34:09,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2022-12-13 09:34:09,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2022-12-13 09:34:09,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 09:34:09,923 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 09:34:09,927 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 09:34:09,927 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 09:34:09,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:34:09 BasicIcfg [2022-12-13 09:34:09,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 09:34:09,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 09:34:09,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 09:34:09,989 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 09:34:09,989 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:34:01" (3/4) ... [2022-12-13 09:34:09,990 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 09:34:10,064 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/witness.graphml [2022-12-13 09:34:10,064 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 09:34:10,065 INFO L158 Benchmark]: Toolchain (without parser) took 10310.90ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 90.2MB in the beginning and 87.3MB in the end (delta: 2.9MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. [2022-12-13 09:34:10,065 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 09:34:10,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.74ms. Allocated memory is still 125.8MB. Free memory was 89.8MB in the beginning and 76.5MB in the end (delta: 13.3MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2022-12-13 09:34:10,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.16ms. Allocated memory is still 125.8MB. Free memory was 76.5MB in the beginning and 72.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 09:34:10,066 INFO L158 Benchmark]: Boogie Preprocessor took 27.14ms. Allocated memory is still 125.8MB. Free memory was 72.7MB in the beginning and 70.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 09:34:10,066 INFO L158 Benchmark]: RCFGBuilder took 549.46ms. Allocated memory is still 125.8MB. Free memory was 70.2MB in the beginning and 87.7MB in the end (delta: -17.4MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2022-12-13 09:34:10,066 INFO L158 Benchmark]: TraceAbstraction took 8953.85ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 87.0MB in the beginning and 41.1MB in the end (delta: 45.9MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2022-12-13 09:34:10,066 INFO L158 Benchmark]: Witness Printer took 75.77ms. Allocated memory is still 151.0MB. Free memory was 41.1MB in the beginning and 87.3MB in the end (delta: -46.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 09:34:10,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.74ms. Allocated memory is still 125.8MB. Free memory was 89.8MB in the beginning and 76.5MB in the end (delta: 13.3MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.16ms. Allocated memory is still 125.8MB. Free memory was 76.5MB in the beginning and 72.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.14ms. Allocated memory is still 125.8MB. Free memory was 72.7MB in the beginning and 70.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.46ms. Allocated memory is still 125.8MB. Free memory was 70.2MB in the beginning and 87.7MB in the end (delta: -17.4MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8953.85ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 87.0MB in the beginning and 41.1MB in the end (delta: 45.9MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. * Witness Printer took 75.77ms. Allocated memory is still 151.0MB. Free memory was 41.1MB in the beginning and 87.3MB in the end (delta: -46.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1659, independent: 1621, independent conditional: 78, independent unconditional: 1543, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1633, independent: 1621, independent conditional: 78, independent unconditional: 1543, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1633, independent: 1621, independent conditional: 78, independent unconditional: 1543, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1633, independent: 1621, independent conditional: 0, independent unconditional: 1621, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1633, independent: 1621, independent conditional: 0, independent unconditional: 1621, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1633, independent: 1621, independent conditional: 0, independent unconditional: 1621, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1555, independent: 1543, independent conditional: 0, independent unconditional: 1543, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1555, independent: 1541, independent conditional: 0, independent unconditional: 1541, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6500, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 6384, unknown conditional: 0, unknown unconditional: 6384] , Protected Queries: 0 ], Cache Queries: [ total: 1633, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1555, unknown conditional: 0, unknown unconditional: 1555] , Statistics on independence cache: Total cache size (in pairs): 1549, Positive cache size: 1543, Positive conditional cache size: 0, Positive unconditional cache size: 1543, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 6, Unknown conditional cache size: 0, Unknown unconditional cache size: 6, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 26 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 6.5s, Number of persistent set computation: 150, Number of trivial persistent sets: 150, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1555, independent: 1543, independent conditional: 0, independent unconditional: 1543, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1659, independent: 1621, independent conditional: 78, independent unconditional: 1543, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1633, independent: 1621, independent conditional: 78, independent unconditional: 1543, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1633, independent: 1621, independent conditional: 78, independent unconditional: 1543, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1633, independent: 1621, independent conditional: 0, independent unconditional: 1621, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1633, independent: 1621, independent conditional: 0, independent unconditional: 1621, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1633, independent: 1621, independent conditional: 0, independent unconditional: 1621, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1555, independent: 1543, independent conditional: 0, independent unconditional: 1543, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1555, independent: 1541, independent conditional: 0, independent unconditional: 1541, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6500, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 6384, unknown conditional: 0, unknown unconditional: 6384] , Protected Queries: 0 ], Cache Queries: [ total: 1633, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1555, unknown conditional: 0, unknown unconditional: 1555] , Statistics on independence cache: Total cache size (in pairs): 1549, Positive cache size: 1543, Positive conditional cache size: 0, Positive unconditional cache size: 1543, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 6, Unknown conditional cache size: 0, Unknown unconditional cache size: 6, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 26 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; VAL [t1={3:0}, t2={4:0}] [L1745] CALL, EXPR 0 my_drv_init() [L1739] 0 return 0; VAL [\result=0, t1={3:0}, t2={4:0}] [L1745] RET, EXPR 0 my_drv_init() [L1745] 0 int ret = my_drv_init(); VAL [my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}] [L1746] COND TRUE 0 ret==0 VAL [ret=0, t1={3:0}, t2={4:0}] [L1747] 0 int probe_ret; VAL [ret=0, t1={3:0}, t2={4:0}] [L1748] 0 struct my_data data; VAL [data={5:0}, ret=0, t1={3:0}, t2={4:0}] [L1749] CALL, EXPR 0 my_drv_probe(&data) [L1706] 0 struct device *d = &data->dev; VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1708] 0 data->shared.a = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1709] 0 data->shared.b = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-2, res=0, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1690] 1 struct my_data *data; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1700] 1 data->shared.b = lb + 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1703] 1 return 0; VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=-1, res=0, t1={3:0}, t2={4:0}] [L1689] 2 struct device *dev = (struct device*)arg; VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1690] 2 struct my_data *data; VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1694] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1697] EXPR 2 data->shared.b [L1697] 2 int lb = data->shared.b; [L1700] 2 data->shared.b = lb + 1 VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1703] 2 return 0; VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1715] 0 return 0; VAL [\result={0:0}, \result=0, __mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, res=0, t1={3:0}, t2={4:0}] [L1749] RET, EXPR 0 my_drv_probe(&data) [L1749] 0 probe_ret = my_drv_probe(&data) VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, dev={5:24}, lb=0, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1750] COND TRUE 0 probe_ret==0 VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, dev={5:24}, lb=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1751] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, status={9:0}, t1={3:0}, t2={4:0}] [L1722] 0 \read(t1) VAL [\read(t1)=-2, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, status={9:0}, t1={3:0}, t2={4:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=-2, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, pthread_join(t1, &status)={0:0}, status={9:0}, t1={3:0}, t2={4:0}] [L1724] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, status={9:0}, t1={3:0}, t2={4:0}] [L1727] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, status={9:0}, t1={3:0}, t2={4:0}] [L1730] EXPR 0 data->shared.a [L1730] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND FALSE 0 !(!expression) [L1730] RET 0 ldv_assert(data->shared.a==3) [L1733] EXPR 0 data->shared.b [L1733] CALL 0 ldv_assert(data->shared.b==3) [L1675] COND FALSE 0 !(!expression) [L1733] RET 0 ldv_assert(data->shared.b==3) [L1735] 0 \read(t2) VAL [\read(t2)=-1, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, status={9:0}, t1={3:0}, t2={4:0}] [L1735] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\read(t2)=-1, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, pthread_join(t2, &status)={0:0}, status={9:0}, t1={3:0}, t2={4:0}] [L1751] RET 0 my_drv_disconnect(&data) [L1752] EXPR 0 data.shared.a VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data.shared.a=3, dev={5:24}, lb=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1752] CALL 0 ldv_assert(data.shared.a==1) [L1675] COND TRUE 0 !expression VAL [\old(expression)=0, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=0, lb=0, t1={3:0}, t2={4:0}] [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=0, lb=0, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1714]: 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: 1713]: 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 4 procedures, 185 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 7.0s, 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: 25, 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, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 445 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 325 ConstructedInterpolants, 0 QuantifiedInterpolants, 657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2022-12-13 09:34:10,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 09:34:10,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742e5a6-77cf-443c-b58a-23907d59f143/bin/ugemcutter-rbreBovr8w/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