./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e7fbc69 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_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc-deref.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 573c853979782f78b60122afde2824ab47c3f9d6394b4ee74285d458320f7321 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:29:51,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:29:51,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:29:51,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:29:51,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:29:51,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:29:51,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:29:51,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:29:51,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:29:51,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:29:51,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:29:51,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:29:51,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:29:51,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:29:51,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:29:51,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:29:51,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:29:51,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:29:51,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:29:51,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:29:51,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:29:51,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:29:51,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:29:51,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:29:51,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:29:51,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:29:51,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:29:51,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:29:51,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:29:51,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:29:51,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:29:51,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:29:51,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:29:51,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:29:51,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:29:51,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:29:51,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:29:51,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:29:51,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:29:51,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:29:51,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:29:51,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-23 02:29:51,534 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:29:51,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:29:51,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:29:51,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:29:51,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:29:51,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:29:51,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:29:51,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:29:51,541 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:29:51,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:29:51,542 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 02:29:51,543 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:29:51,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:29:51,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 02:29:51,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:29:51,544 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 02:29:51,544 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 02:29:51,545 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 02:29:51,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:29:51,545 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 02:29:51,545 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 02:29:51,546 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:29:51,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:29:51,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:29:51,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:29:51,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:29:51,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:29:51,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:29:51,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:29:51,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:29:51,548 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:29:51,549 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:29:51,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:29:51,549 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573c853979782f78b60122afde2824ab47c3f9d6394b4ee74285d458320f7321 [2022-11-23 02:29:51,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:29:51,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:29:51,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:29:51,975 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:29:51,975 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:29:51,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc-deref.i [2022-11-23 02:29:55,148 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:29:55,554 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:29:55,555 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa28c58-d725-48d6-ab51-388c43c2eeca/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc-deref.i [2022-11-23 02:29:55,577 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS/data/c657f5788/fa20b3ab34894b54a80368ba847f0c62/FLAG4d61c65b9 [2022-11-23 02:29:55,602 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS/data/c657f5788/fa20b3ab34894b54a80368ba847f0c62 [2022-11-23 02:29:55,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:29:55,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:29:55,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:29:55,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:29:55,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:29:55,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:29:55" (1/1) ... [2022-11-23 02:29:55,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5373523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:55, skipping insertion in model container [2022-11-23 02:29:55,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:29:55" (1/1) ... [2022-11-23 02:29:55,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:29:55,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:29:56,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:29:56,517 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:29:56,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:29:56,698 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:29:56,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:56 WrapperNode [2022-11-23 02:29:56,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:29:56,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:29:56,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:29:56,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:29:56,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:56" (1/1) ... [2022-11-23 02:29:56,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:56" (1/1) ... [2022-11-23 02:29:56,802 INFO L138 Inliner]: procedures = 370, calls = 41, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 185 [2022-11-23 02:29:56,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:29:56,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:29:56,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:29:56,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:29:56,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:56" (1/1) ... [2022-11-23 02:29:56,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:56" (1/1) ... [2022-11-23 02:29:56,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:56" (1/1) ... [2022-11-23 02:29:56,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:56" (1/1) ... [2022-11-23 02:29:56,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:56" (1/1) ... [2022-11-23 02:29:56,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:56" (1/1) ... [2022-11-23 02:29:56,879 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:56" (1/1) ... [2022-11-23 02:29:56,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:56" (1/1) ... [2022-11-23 02:29:56,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:29:56,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:29:56,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:29:56,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:29:56,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:56" (1/1) ... [2022-11-23 02:29:56,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:29:56,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:29:56,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:29:56,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa28c58-d725-48d6-ab51-388c43c2eeca/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:29:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:29:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 02:29:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:29:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 02:29:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:29:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 02:29:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 02:29:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:29:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 02:29:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 02:29:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 02:29:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:29:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:29:56,991 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 02:29:57,165 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:29:57,167 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:29:57,951 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:29:57,963 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:29:57,963 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 02:29:57,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:29:57 BoogieIcfgContainer [2022-11-23 02:29:57,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:29:57,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:29:57,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:29:57,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:29:57,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:29:55" (1/3) ... [2022-11-23 02:29:57,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d95e32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:29:57, skipping insertion in model container [2022-11-23 02:29:57,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:56" (2/3) ... [2022-11-23 02:29:57,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d95e32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:29:57, skipping insertion in model container [2022-11-23 02:29:57,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:29:57" (3/3) ... [2022-11-23 02:29:57,976 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc-deref.i [2022-11-23 02:29:58,010 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:29:58,011 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2022-11-23 02:29:58,011 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 02:29:58,127 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 02:29:58,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 319 transitions, 643 flow [2022-11-23 02:29:58,300 INFO L130 PetriNetUnfolder]: 5/318 cut-off events. [2022-11-23 02:29:58,300 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:29:58,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 318 events. 5/318 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 313 event pairs, 0 based on Foata normal form. 0/236 useless extension candidates. Maximal degree in co-relation 233. Up to 2 conditions per place. [2022-11-23 02:29:58,306 INFO L82 GeneralOperation]: Start removeDead. Operand has 318 places, 319 transitions, 643 flow [2022-11-23 02:29:58,314 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 317 places, 318 transitions, 639 flow [2022-11-23 02:29:58,320 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 02:29:58,346 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 318 transitions, 639 flow [2022-11-23 02:29:58,353 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 318 transitions, 639 flow [2022-11-23 02:29:58,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 317 places, 318 transitions, 639 flow [2022-11-23 02:29:58,432 INFO L130 PetriNetUnfolder]: 5/318 cut-off events. [2022-11-23 02:29:58,433 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:29:58,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 318 events. 5/318 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 313 event pairs, 0 based on Foata normal form. 0/236 useless extension candidates. Maximal degree in co-relation 233. Up to 2 conditions per place. [2022-11-23 02:29:58,438 INFO L119 LiptonReduction]: Number of co-enabled transitions 3136 [2022-11-23 02:31:57,622 WARN L233 SmtUtils]: Spent 28.80s on a formula simplification. DAG size of input: 255 DAG size of output: 243 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:32:12,146 WARN L233 SmtUtils]: Spent 14.52s on a formula simplification that was a NOOP. DAG size: 215 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:32:37,436 WARN L233 SmtUtils]: Spent 25.29s on a formula simplification. DAG size of input: 255 DAG size of output: 243 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:32:47,865 WARN L233 SmtUtils]: Spent 10.42s on a formula simplification that was a NOOP. DAG size: 215 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:33:07,392 WARN L233 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 236 DAG size of output: 224 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:33:28,728 WARN L233 SmtUtils]: Spent 16.36s on a formula simplification. DAG size of input: 236 DAG size of output: 224 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:33:35,152 WARN L233 SmtUtils]: Spent 6.42s on a formula simplification that was a NOOP. DAG size: 196 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:33:49,174 WARN L233 SmtUtils]: Spent 14.02s on a formula simplification. DAG size of input: 241 DAG size of output: 229 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:34:10,297 WARN L233 SmtUtils]: Spent 16.53s on a formula simplification. DAG size of input: 241 DAG size of output: 229 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:34:15,328 WARN L233 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 201 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:34:59,327 WARN L233 SmtUtils]: Spent 43.76s on a formula simplification. DAG size of input: 266 DAG size of output: 256 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:35:15,101 WARN L233 SmtUtils]: Spent 15.77s on a formula simplification that was a NOOP. DAG size: 238 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:35:57,341 WARN L233 SmtUtils]: Spent 42.24s on a formula simplification. DAG size of input: 263 DAG size of output: 253 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:36:17,573 WARN L233 SmtUtils]: Spent 20.23s on a formula simplification that was a NOOP. DAG size: 237 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:36:58,021 WARN L233 SmtUtils]: Spent 39.84s on a formula simplification. DAG size of input: 270 DAG size of output: 261 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:37:10,647 WARN L233 SmtUtils]: Spent 12.62s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:37:53,299 WARN L233 SmtUtils]: Spent 42.65s on a formula simplification. DAG size of input: 273 DAG size of output: 261 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:38:08,440 WARN L233 SmtUtils]: Spent 15.13s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:42:01,749 WARN L233 SmtUtils]: Spent 3.89m on a formula simplification. DAG size of input: 381 DAG size of output: 370 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:43:11,418 WARN L233 SmtUtils]: Spent 1.16m on a formula simplification that was a NOOP. DAG size: 319 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)