./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R --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 f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 --- 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-38b53e6 [2022-11-25 17:37:46,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:37:46,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:37:46,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:37:46,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:37:46,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:37:46,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:37:46,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:37:46,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:37:46,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:37:46,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:37:46,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:37:46,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:37:46,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:37:46,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:37:46,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:37:46,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:37:46,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:37:46,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:37:46,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:37:46,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:37:46,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:37:46,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:37:46,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:37:46,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:37:46,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:37:46,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:37:46,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:37:46,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:37:46,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:37:46,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:37:46,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:37:46,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:37:46,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:37:46,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:37:46,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:37:46,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:37:46,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:37:46,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:37:46,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:37:46,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:37:46,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 17:37:46,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:37:46,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:37:46,460 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:37:46,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:37:46,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:37:46,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:37:46,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:37:46,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:37:46,463 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:37:46,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:37:46,464 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:37:46,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:37:46,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:37:46,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:37:46,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:37:46,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:37:46,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:37:46,466 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:37:46,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:37:46,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:37:46,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:37:46,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:37:46,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:37:46,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:37:46,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:37:46,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:37:46,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:37:46,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:37:46,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:37:46,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:37:46,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:37:46,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:37:46,470 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:37:46,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:37:46,470 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_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2022-11-25 17:37:46,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:37:46,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:37:46,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:37:46,752 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:37:46,753 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:37:46,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-11-25 17:37:49,823 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:37:50,053 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:37:50,054 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-11-25 17:37:50,060 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/data/b390110d2/cbadfd5b0706481e808f54805f5d21f3/FLAG50b9e929a [2022-11-25 17:37:50,075 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/data/b390110d2/cbadfd5b0706481e808f54805f5d21f3 [2022-11-25 17:37:50,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:37:50,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:37:50,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:37:50,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:37:50,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:37:50,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:37:50" (1/1) ... [2022-11-25 17:37:50,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbeec11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:50, skipping insertion in model container [2022-11-25 17:37:50,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:37:50" (1/1) ... [2022-11-25 17:37:50,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:37:50,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:37:50,315 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_69f7d726-ac5e-44d6-b449-2b8d98fdc839/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-11-25 17:37:50,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:37:50,339 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:37:50,356 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_69f7d726-ac5e-44d6-b449-2b8d98fdc839/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-11-25 17:37:50,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:37:50,372 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:37:50,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:50 WrapperNode [2022-11-25 17:37:50,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:37:50,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:37:50,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:37:50,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:37:50,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:50" (1/1) ... [2022-11-25 17:37:50,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:50" (1/1) ... [2022-11-25 17:37:50,408 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-25 17:37:50,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:37:50,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:37:50,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:37:50,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:37:50,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:50" (1/1) ... [2022-11-25 17:37:50,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:50" (1/1) ... [2022-11-25 17:37:50,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:50" (1/1) ... [2022-11-25 17:37:50,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:50" (1/1) ... [2022-11-25 17:37:50,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:50" (1/1) ... [2022-11-25 17:37:50,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:50" (1/1) ... [2022-11-25 17:37:50,433 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:50" (1/1) ... [2022-11-25 17:37:50,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:50" (1/1) ... [2022-11-25 17:37:50,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:37:50,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:37:50,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:37:50,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:37:50,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:50" (1/1) ... [2022-11-25 17:37:50,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:37:50,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:37:50,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:37:50,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:37:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:37:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:37:50,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:37:50,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:37:50,593 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:37:50,595 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:37:50,683 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:37:50,690 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:37:50,690 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:37:50,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:37:50 BoogieIcfgContainer [2022-11-25 17:37:50,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:37:50,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:37:50,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:37:50,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:37:50,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:37:50" (1/3) ... [2022-11-25 17:37:50,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad08541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:37:50, skipping insertion in model container [2022-11-25 17:37:50,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:50" (2/3) ... [2022-11-25 17:37:50,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad08541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:37:50, skipping insertion in model container [2022-11-25 17:37:50,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:37:50" (3/3) ... [2022-11-25 17:37:50,703 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2022-11-25 17:37:50,724 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:37:50,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:37:50,785 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:37:50,797 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=PETRI_NET, 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;@5f608e1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:37:50,798 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:37:50,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:37:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 17:37:50,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:37:50,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 17:37:50,811 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:37:50,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:37:50,818 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-11-25 17:37:50,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:37:50,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003261342] [2022-11-25 17:37:50,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:37:50,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:37:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:37:50,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:37:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:37:51,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:37:51,033 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:37:51,034 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:37:51,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:37:51,043 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 17:37:51,048 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:37:51,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:37:51 BoogieIcfgContainer [2022-11-25 17:37:51,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:37:51,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:37:51,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:37:51,075 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:37:51,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:37:50" (3/4) ... [2022-11-25 17:37:51,083 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:37:51,083 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:37:51,086 INFO L158 Benchmark]: Toolchain (without parser) took 1002.22ms. Allocated memory is still 161.5MB. Free memory was 119.7MB in the beginning and 83.7MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-25 17:37:51,086 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:37:51,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.96ms. Allocated memory is still 161.5MB. Free memory was 119.3MB in the beginning and 109.7MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 17:37:51,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.49ms. Allocated memory is still 161.5MB. Free memory was 109.7MB in the beginning and 108.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:37:51,102 INFO L158 Benchmark]: Boogie Preprocessor took 26.17ms. Allocated memory is still 161.5MB. Free memory was 108.4MB in the beginning and 107.5MB in the end (delta: 876.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:37:51,110 INFO L158 Benchmark]: RCFGBuilder took 256.97ms. Allocated memory is still 161.5MB. Free memory was 107.5MB in the beginning and 98.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:37:51,111 INFO L158 Benchmark]: TraceAbstraction took 377.33ms. Allocated memory is still 161.5MB. Free memory was 97.9MB in the beginning and 84.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:37:51,119 INFO L158 Benchmark]: Witness Printer took 10.32ms. Allocated memory is still 161.5MB. Free memory was 84.8MB in the beginning and 83.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:37:51,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.96ms. Allocated memory is still 161.5MB. Free memory was 119.3MB in the beginning and 109.7MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.49ms. Allocated memory is still 161.5MB. Free memory was 109.7MB in the beginning and 108.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.17ms. Allocated memory is still 161.5MB. Free memory was 108.4MB in the beginning and 107.5MB in the end (delta: 876.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 256.97ms. Allocated memory is still 161.5MB. Free memory was 107.5MB in the beginning and 98.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 377.33ms. Allocated memory is still 161.5MB. Free memory was 97.9MB in the beginning and 84.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 10.32ms. Allocated memory is still 161.5MB. Free memory was 84.8MB in the beginning and 83.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 8. Possible FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=250] [L9] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L14] reach_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 could not prove your program: unable to determine feasibility of some traces [2022-11-25 17:37:51,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R --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 f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 --- 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-38b53e6 [2022-11-25 17:37:53,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:37:53,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:37:53,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:37:53,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:37:53,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:37:53,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:37:53,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:37:53,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:37:53,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:37:53,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:37:53,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:37:53,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:37:53,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:37:53,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:37:53,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:37:53,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:37:53,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:37:53,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:37:53,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:37:53,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:37:53,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:37:53,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:37:53,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:37:53,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:37:53,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:37:53,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:37:53,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:37:53,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:37:53,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:37:53,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:37:53,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:37:53,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:37:53,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:37:53,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:37:53,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:37:53,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:37:53,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:37:53,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:37:53,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:37:53,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:37:53,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-25 17:37:53,901 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:37:53,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:37:53,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:37:53,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:37:53,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:37:53,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:37:53,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:37:53,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:37:53,906 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:37:53,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:37:53,907 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:37:53,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:37:53,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:37:53,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:37:53,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:37:53,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:37:53,908 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:37:53,909 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:37:53,909 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:37:53,909 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:37:53,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:37:53,909 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:37:53,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:37:53,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:37:53,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:37:53,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:37:53,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:37:53,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:37:53,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:37:53,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:37:53,911 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:37:53,912 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:37:53,912 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:37:53,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:37:53,912 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:37:53,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:37:53,913 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:37:53,913 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_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2022-11-25 17:37:54,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:37:54,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:37:54,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:37:54,409 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:37:54,409 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:37:54,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-11-25 17:37:57,650 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:37:57,885 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:37:57,885 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-11-25 17:37:57,893 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/data/ba430246a/4a69f756d2b24459828b8d8c8d120cfb/FLAGb2283c784 [2022-11-25 17:37:57,908 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/data/ba430246a/4a69f756d2b24459828b8d8c8d120cfb [2022-11-25 17:37:57,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:37:57,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:37:57,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:37:57,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:37:57,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:37:57,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:37:57" (1/1) ... [2022-11-25 17:37:57,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4640fe8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:57, skipping insertion in model container [2022-11-25 17:37:57,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:37:57" (1/1) ... [2022-11-25 17:37:57,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:37:57,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:37:58,090 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_69f7d726-ac5e-44d6-b449-2b8d98fdc839/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-11-25 17:37:58,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:37:58,116 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:37:58,140 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_69f7d726-ac5e-44d6-b449-2b8d98fdc839/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-11-25 17:37:58,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:37:58,158 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:37:58,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:58 WrapperNode [2022-11-25 17:37:58,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:37:58,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:37:58,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:37:58,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:37:58,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:58" (1/1) ... [2022-11-25 17:37:58,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:58" (1/1) ... [2022-11-25 17:37:58,193 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-25 17:37:58,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:37:58,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:37:58,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:37:58,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:37:58,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:58" (1/1) ... [2022-11-25 17:37:58,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:58" (1/1) ... [2022-11-25 17:37:58,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:58" (1/1) ... [2022-11-25 17:37:58,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:58" (1/1) ... [2022-11-25 17:37:58,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:58" (1/1) ... [2022-11-25 17:37:58,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:58" (1/1) ... [2022-11-25 17:37:58,226 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:58" (1/1) ... [2022-11-25 17:37:58,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:58" (1/1) ... [2022-11-25 17:37:58,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:37:58,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:37:58,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:37:58,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:37:58,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:58" (1/1) ... [2022-11-25 17:37:58,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:37:58,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:37:58,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:37:58,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:37:58,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:37:58,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:37:58,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:37:58,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:37:58,418 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:37:58,420 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:37:58,609 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:37:58,623 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:37:58,625 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:37:58,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:37:58 BoogieIcfgContainer [2022-11-25 17:37:58,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:37:58,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:37:58,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:37:58,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:37:58,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:37:57" (1/3) ... [2022-11-25 17:37:58,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2349b9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:37:58, skipping insertion in model container [2022-11-25 17:37:58,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:37:58" (2/3) ... [2022-11-25 17:37:58,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2349b9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:37:58, skipping insertion in model container [2022-11-25 17:37:58,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:37:58" (3/3) ... [2022-11-25 17:37:58,656 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2022-11-25 17:37:58,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:37:58,676 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:37:58,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:37:58,759 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=PETRI_NET, 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;@42a0f11d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:37:58,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:37:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:37:58,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 17:37:58,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:37:58,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 17:37:58,773 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:37:58,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:37:58,781 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-11-25 17:37:58,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:37:58,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428053211] [2022-11-25 17:37:58,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:37:58,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:37:58,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:37:58,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:37:58,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 17:37:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:37:58,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:37:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:37:58,919 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 17:37:58,921 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:37:58,922 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:37:58,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:37:59,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:37:59,148 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 17:37:59,153 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:37:59,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:37:59 BoogieIcfgContainer [2022-11-25 17:37:59,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:37:59,174 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:37:59,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:37:59,175 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:37:59,176 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:37:58" (3/4) ... [2022-11-25 17:37:59,177 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 17:37:59,230 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:37:59,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:37:59,232 INFO L158 Benchmark]: Toolchain (without parser) took 1319.40ms. Allocated memory is still 90.2MB. Free memory was 68.7MB in the beginning and 56.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:37:59,232 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:37:59,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.36ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 58.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:37:59,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.56ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 56.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:37:59,236 INFO L158 Benchmark]: Boogie Preprocessor took 34.72ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 55.9MB in the end (delta: 999.5kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:37:59,240 INFO L158 Benchmark]: RCFGBuilder took 397.10ms. Allocated memory is still 90.2MB. Free memory was 55.9MB in the beginning and 70.3MB in the end (delta: -14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:37:59,240 INFO L158 Benchmark]: TraceAbstraction took 541.42ms. Allocated memory is still 90.2MB. Free memory was 69.3MB in the beginning and 57.8MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 17:37:59,242 INFO L158 Benchmark]: Witness Printer took 55.82ms. Allocated memory is still 90.2MB. Free memory was 57.8MB in the beginning and 56.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:37:59,248 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.36ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 58.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.56ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 56.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.72ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 55.9MB in the end (delta: 999.5kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 397.10ms. Allocated memory is still 90.2MB. Free memory was 55.9MB in the beginning and 70.3MB in the end (delta: -14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 541.42ms. Allocated memory is still 90.2MB. Free memory was 69.3MB in the beginning and 57.8MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 55.82ms. Allocated memory is still 90.2MB. Free memory was 57.8MB in the beginning and 56.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=250] [L9] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L14] reach_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 17:37:59,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f7d726-ac5e-44d6-b449-2b8d98fdc839/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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