./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-016.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-016.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/bin/uautomizer-Dbtcem3rbc --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3b96f097d73340af79826eaa169822c6d0189f605932856e051ecf6fc9385ac --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:20:19,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:20:19,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:20:19,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:20:19,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:20:19,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:20:19,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:20:19,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:20:19,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:20:19,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:20:19,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:20:19,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:20:19,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:20:19,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:20:19,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:20:19,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:20:19,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:20:19,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:20:19,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:20:19,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:20:19,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:20:19,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:20:19,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:20:19,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:20:19,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:20:19,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:20:19,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:20:19,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:20:19,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:20:19,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:20:19,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:20:19,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:20:19,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:20:19,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:20:19,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:20:19,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:20:19,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:20:19,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:20:19,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:20:19,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:20:19,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:20:19,489 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:20:19,527 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:20:19,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:20:19,528 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:20:19,528 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:20:19,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:20:19,529 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:20:19,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:20:19,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:20:19,531 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:20:19,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:20:19,532 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:20:19,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:20:19,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:20:19,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:20:19,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:20:19,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:20:19,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:20:19,534 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:20:19,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:20:19,534 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:20:19,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:20:19,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:20:19,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:20:19,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:20:19,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:20:19,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:20:19,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:20:19,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:20:19,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:20:19,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:20:19,536 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:20:19,537 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:20:19,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:20:19,537 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_a73783de-2a1d-4a58-b4f9-a9015d5710f3/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3b96f097d73340af79826eaa169822c6d0189f605932856e051ecf6fc9385ac [2022-11-02 20:20:19,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:20:19,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:20:19,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:20:19,882 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:20:19,884 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:20:19,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/xcsp/Dubois-016.c [2022-11-02 20:20:19,969 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/bin/uautomizer-Dbtcem3rbc/data/1751e2225/e44430188ade4ed098c17eead5d6fd4f/FLAG1529b37a5 [2022-11-02 20:20:20,460 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:20:20,460 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/sv-benchmarks/c/xcsp/Dubois-016.c [2022-11-02 20:20:20,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/bin/uautomizer-Dbtcem3rbc/data/1751e2225/e44430188ade4ed098c17eead5d6fd4f/FLAG1529b37a5 [2022-11-02 20:20:20,807 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/bin/uautomizer-Dbtcem3rbc/data/1751e2225/e44430188ade4ed098c17eead5d6fd4f [2022-11-02 20:20:20,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:20:20,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:20:20,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:20:20,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:20:20,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:20:20,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:20:20" (1/1) ... [2022-11-02 20:20:20,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c55534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:20, skipping insertion in model container [2022-11-02 20:20:20,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:20:20" (1/1) ... [2022-11-02 20:20:20,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:20:20,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:20:21,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/sv-benchmarks/c/xcsp/Dubois-016.c[11664,11677] [2022-11-02 20:20:21,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:20:21,696 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:20:21,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73783de-2a1d-4a58-b4f9-a9015d5710f3/sv-benchmarks/c/xcsp/Dubois-016.c[11664,11677] [2022-11-02 20:20:22,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:20:22,442 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:20:22,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:22 WrapperNode [2022-11-02 20:20:22,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:20:22,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:20:22,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:20:22,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:20:22,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:22" (1/1) ... [2022-11-02 20:20:22,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:22" (1/1) ...