./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8 --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-2329fc7 [2022-12-13 12:25:38,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:25:38,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:25:38,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:25:38,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:25:38,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:25:38,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:25:38,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:25:38,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:25:38,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:25:38,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:25:38,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:25:38,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:25:38,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:25:38,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:25:38,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:25:38,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:25:38,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:25:38,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:25:38,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:25:38,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:25:38,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:25:38,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:25:38,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:25:38,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:25:38,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:25:38,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:25:38,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:25:38,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:25:38,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:25:38,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:25:38,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:25:38,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:25:38,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:25:38,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:25:38,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:25:38,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:25:38,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:25:38,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:25:38,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:25:38,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:25:38,535 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 12:25:38,567 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:25:38,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:25:38,572 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:25:38,572 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:25:38,573 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:25:38,573 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:25:38,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:25:38,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:25:38,574 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:25:38,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:25:38,574 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:25:38,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:25:38,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:25:38,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:25:38,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:25:38,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:25:38,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:25:38,576 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:25:38,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:25:38,576 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:25:38,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:25:38,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:25:38,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:25:38,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:25:38,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:25:38,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:25:38,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:25:38,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:25:38,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:25:38,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:25:38,578 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:25:38,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:25:38,578 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:25:38,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:25:38,578 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:25:38,578 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_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2022-12-13 12:25:38,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:25:38,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:25:38,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:25:38,785 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:25:38,785 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:25:38,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-12-13 12:25:41,439 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:25:41,592 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:25:41,592 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-12-13 12:25:41,596 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/data/5f67dea6b/fc8c0eb6b2ed4635a0c3e47aa80aef73/FLAG756650e35 [2022-12-13 12:25:41,607 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/data/5f67dea6b/fc8c0eb6b2ed4635a0c3e47aa80aef73 [2022-12-13 12:25:41,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:25:41,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:25:41,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:25:41,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:25:41,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:25:41,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:25:41" (1/1) ... [2022-12-13 12:25:41,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34676473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:41, skipping insertion in model container [2022-12-13 12:25:41,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:25:41" (1/1) ... [2022-12-13 12:25:41,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:25:41,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:25:41,730 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_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-12-13 12:25:41,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:25:41,741 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:25:41,751 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_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-12-13 12:25:41,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:25:41,761 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:25:41,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:41 WrapperNode [2022-12-13 12:25:41,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:25:41,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:25:41,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:25:41,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:25:41,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:41" (1/1) ... [2022-12-13 12:25:41,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:41" (1/1) ... [2022-12-13 12:25:41,783 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-12-13 12:25:41,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:25:41,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:25:41,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:25:41,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:25:41,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:41" (1/1) ... [2022-12-13 12:25:41,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:41" (1/1) ... [2022-12-13 12:25:41,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:41" (1/1) ... [2022-12-13 12:25:41,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:41" (1/1) ... [2022-12-13 12:25:41,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:41" (1/1) ... [2022-12-13 12:25:41,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:41" (1/1) ... [2022-12-13 12:25:41,795 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:41" (1/1) ... [2022-12-13 12:25:41,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:41" (1/1) ... [2022-12-13 12:25:41,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:25:41,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:25:41,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:25:41,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:25:41,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:41" (1/1) ... [2022-12-13 12:25:41,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:25:41,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:25:41,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:25:41,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:25:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:25:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:25:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:25:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:25:41,907 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:25:41,909 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:25:41,963 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:25:41,968 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:25:41,968 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:25:41,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:25:41 BoogieIcfgContainer [2022-12-13 12:25:41,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:25:41,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:25:41,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:25:41,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:25:41,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:25:41" (1/3) ... [2022-12-13 12:25:41,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3699da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:25:41, skipping insertion in model container [2022-12-13 12:25:41,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:41" (2/3) ... [2022-12-13 12:25:41,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3699da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:25:41, skipping insertion in model container [2022-12-13 12:25:41,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:25:41" (3/3) ... [2022-12-13 12:25:41,977 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2022-12-13 12:25:41,991 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:25:41,991 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:25:42,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:25:42,032 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;@4fae2a2c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:25:42,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 12:25:42,035 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) [2022-12-13 12:25:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 12:25:42,040 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:25:42,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 12:25:42,041 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:25:42,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:25:42,044 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-12-13 12:25:42,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:25:42,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405835399] [2022-12-13 12:25:42,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:25:42,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:25:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:25:42,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:25:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:25:42,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:25:42,141 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:25:42,142 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 12:25:42,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:25:42,147 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 12:25:42,150 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:25:42,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:25:42 BoogieIcfgContainer [2022-12-13 12:25:42,161 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:25:42,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:25:42,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:25:42,161 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:25:42,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:25:41" (3/4) ... [2022-12-13 12:25:42,164 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 12:25:42,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:25:42,165 INFO L158 Benchmark]: Toolchain (without parser) took 554.94ms. Allocated memory is still 127.9MB. Free memory was 95.1MB in the beginning and 60.0MB in the end (delta: 35.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-13 12:25:42,165 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory was 95.9MB in the beginning and 95.7MB in the end (delta: 140.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:25:42,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 150.52ms. Allocated memory is still 127.9MB. Free memory was 95.1MB in the beginning and 85.5MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 12:25:42,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.89ms. Allocated memory is still 127.9MB. Free memory was 85.1MB in the beginning and 83.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:25:42,167 INFO L158 Benchmark]: Boogie Preprocessor took 12.34ms. Allocated memory is still 127.9MB. Free memory was 83.8MB in the beginning and 83.0MB in the end (delta: 813.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:25:42,167 INFO L158 Benchmark]: RCFGBuilder took 173.26ms. Allocated memory is still 127.9MB. Free memory was 83.0MB in the beginning and 74.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 12:25:42,167 INFO L158 Benchmark]: TraceAbstraction took 188.88ms. Allocated memory is still 127.9MB. Free memory was 73.3MB in the beginning and 60.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 12:25:42,168 INFO L158 Benchmark]: Witness Printer took 3.27ms. Allocated memory is still 127.9MB. Free memory was 60.4MB in the beginning and 60.0MB in the end (delta: 402.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:25:42,170 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory was 95.9MB in the beginning and 95.7MB in the end (delta: 140.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 150.52ms. Allocated memory is still 127.9MB. Free memory was 95.1MB in the beginning and 85.5MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.89ms. Allocated memory is still 127.9MB. Free memory was 85.1MB in the beginning and 83.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.34ms. Allocated memory is still 127.9MB. Free memory was 83.8MB in the beginning and 83.0MB in the end (delta: 813.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 173.26ms. Allocated memory is still 127.9MB. Free memory was 83.0MB in the beginning and 74.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 188.88ms. Allocated memory is still 127.9MB. Free memory was 73.3MB in the beginning and 60.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 3.27ms. Allocated memory is still 127.9MB. Free memory was 60.4MB in the beginning and 60.0MB in the end (delta: 402.6kB). 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: 0.1s, 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 could not prove your program: unable to determine feasibility of some traces [2022-12-13 12:25:42,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/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_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8 --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-2329fc7 [2022-12-13 12:25:43,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:25:43,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:25:43,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:25:43,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:25:43,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:25:43,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:25:43,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:25:43,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:25:43,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:25:43,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:25:43,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:25:43,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:25:43,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:25:43,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:25:43,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:25:43,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:25:43,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:25:43,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:25:43,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:25:43,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:25:43,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:25:43,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:25:43,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:25:43,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:25:43,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:25:43,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:25:43,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:25:43,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:25:43,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:25:43,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:25:43,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:25:43,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:25:43,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:25:43,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:25:43,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:25:43,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:25:43,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:25:43,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:25:43,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:25:43,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:25:43,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-12-13 12:25:43,826 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:25:43,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:25:43,827 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:25:43,827 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:25:43,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:25:43,827 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:25:43,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:25:43,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:25:43,828 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:25:43,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:25:43,828 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:25:43,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:25:43,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:25:43,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:25:43,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:25:43,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:25:43,829 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 12:25:43,829 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 12:25:43,829 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 12:25:43,829 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:25:43,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:25:43,830 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:25:43,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:25:43,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:25:43,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:25:43,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:25:43,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:25:43,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:25:43,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:25:43,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:25:43,831 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 12:25:43,831 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 12:25:43,831 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:25:43,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:25:43,831 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:25:43,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:25:43,832 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 12:25:43,832 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:25:43,832 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_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2022-12-13 12:25:44,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:25:44,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:25:44,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:25:44,092 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:25:44,093 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:25:44,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-12-13 12:25:46,683 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:25:46,796 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:25:46,797 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-12-13 12:25:46,801 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/data/33082399f/f25debeb42f841a8825e222d79722be4/FLAG1601e0074 [2022-12-13 12:25:46,811 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/data/33082399f/f25debeb42f841a8825e222d79722be4 [2022-12-13 12:25:46,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:25:46,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:25:46,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:25:46,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:25:46,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:25:46,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:25:46" (1/1) ... [2022-12-13 12:25:46,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dbdd2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:46, skipping insertion in model container [2022-12-13 12:25:46,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:25:46" (1/1) ... [2022-12-13 12:25:46,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:25:46,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:25:46,956 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_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-12-13 12:25:46,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:25:46,974 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:25:46,987 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_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-12-13 12:25:46,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:25:47,002 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:25:47,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:47 WrapperNode [2022-12-13 12:25:47,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:25:47,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:25:47,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:25:47,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:25:47,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:47" (1/1) ... [2022-12-13 12:25:47,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:47" (1/1) ... [2022-12-13 12:25:47,039 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-12-13 12:25:47,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:25:47,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:25:47,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:25:47,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:25:47,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:47" (1/1) ... [2022-12-13 12:25:47,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:47" (1/1) ... [2022-12-13 12:25:47,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:47" (1/1) ... [2022-12-13 12:25:47,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:47" (1/1) ... [2022-12-13 12:25:47,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:47" (1/1) ... [2022-12-13 12:25:47,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:47" (1/1) ... [2022-12-13 12:25:47,056 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:47" (1/1) ... [2022-12-13 12:25:47,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:47" (1/1) ... [2022-12-13 12:25:47,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:25:47,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:25:47,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:25:47,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:25:47,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:47" (1/1) ... [2022-12-13 12:25:47,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:25:47,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:25:47,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:25:47,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:25:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:25:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:25:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:25:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 12:25:47,177 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:25:47,179 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:25:47,254 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:25:47,259 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:25:47,260 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:25:47,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:25:47 BoogieIcfgContainer [2022-12-13 12:25:47,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:25:47,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:25:47,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:25:47,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:25:47,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:25:46" (1/3) ... [2022-12-13 12:25:47,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e44522d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:25:47, skipping insertion in model container [2022-12-13 12:25:47,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:25:47" (2/3) ... [2022-12-13 12:25:47,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e44522d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:25:47, skipping insertion in model container [2022-12-13 12:25:47,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:25:47" (3/3) ... [2022-12-13 12:25:47,270 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2022-12-13 12:25:47,289 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:25:47,290 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:25:47,338 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:25:47,344 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;@6d610d26, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:25:47,345 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 12:25:47,348 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) [2022-12-13 12:25:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 12:25:47,354 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:25:47,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 12:25:47,355 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:25:47,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:25:47,361 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-12-13 12:25:47,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:25:47,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1133745019] [2022-12-13 12:25:47,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:25:47,373 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 [2022-12-13 12:25:47,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:25:47,375 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 12:25:47,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:25:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:25:47,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:25:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:25:47,467 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 12:25:47,469 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:25:47,470 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 12:25:47,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:25:47,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:25:47,677 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 12:25:47,682 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:25:47,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:25:47 BoogieIcfgContainer [2022-12-13 12:25:47,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:25:47,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:25:47,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:25:47,708 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:25:47,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:25:47" (3/4) ... [2022-12-13 12:25:47,712 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 12:25:47,759 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:25:47,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:25:47,761 INFO L158 Benchmark]: Toolchain (without parser) took 946.77ms. Allocated memory is still 75.5MB. Free memory was 48.8MB in the beginning and 33.3MB in the end (delta: 15.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-12-13 12:25:47,762 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:25:47,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.12ms. Allocated memory is still 75.5MB. Free memory was 48.6MB in the beginning and 38.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 12:25:47,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.60ms. Allocated memory is still 75.5MB. Free memory was 38.4MB in the beginning and 56.7MB in the end (delta: -18.3MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-12-13 12:25:47,764 INFO L158 Benchmark]: Boogie Preprocessor took 18.87ms. Allocated memory is still 75.5MB. Free memory was 56.7MB in the beginning and 55.7MB in the end (delta: 982.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:25:47,764 INFO L158 Benchmark]: RCFGBuilder took 202.83ms. Allocated memory is still 75.5MB. Free memory was 55.7MB in the beginning and 46.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 12:25:47,765 INFO L158 Benchmark]: TraceAbstraction took 441.97ms. Allocated memory is still 75.5MB. Free memory was 46.3MB in the beginning and 35.0MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 12:25:47,766 INFO L158 Benchmark]: Witness Printer took 52.70ms. Allocated memory is still 75.5MB. Free memory was 35.0MB in the beginning and 33.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:25:47,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.12ms. Allocated memory is still 75.5MB. Free memory was 48.6MB in the beginning and 38.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.60ms. Allocated memory is still 75.5MB. Free memory was 38.4MB in the beginning and 56.7MB in the end (delta: -18.3MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.87ms. Allocated memory is still 75.5MB. Free memory was 56.7MB in the beginning and 55.7MB in the end (delta: 982.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 202.83ms. Allocated memory is still 75.5MB. Free memory was 55.7MB in the beginning and 46.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 441.97ms. Allocated memory is still 75.5MB. Free memory was 46.3MB in the beginning and 35.0MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 52.70ms. Allocated memory is still 75.5MB. Free memory was 35.0MB in the beginning and 33.3MB in the end (delta: 1.7MB). 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! [2022-12-13 12:25:47,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbeb26b7-9e57-4d0c-963c-69f2b9da58b3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE