./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:03:32,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:03:32,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:03:32,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:03:32,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:03:32,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:03:32,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:03:32,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:03:32,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:03:32,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:03:32,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:03:32,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:03:32,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:03:32,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:03:32,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:03:32,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:03:32,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:03:32,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:03:32,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:03:32,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:03:32,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:03:32,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:03:32,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:03:32,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:03:32,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:03:32,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:03:32,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:03:32,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:03:32,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:03:32,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:03:32,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:03:32,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:03:32,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:03:32,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:03:32,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:03:32,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:03:32,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:03:32,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:03:32,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:03:32,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:03:32,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:03:32,530 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:03:32,563 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:03:32,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:03:32,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:03:32,566 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:03:32,566 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:03:32,566 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:03:32,566 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:03:32,566 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:03:32,573 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:03:32,573 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:03:32,574 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:03:32,574 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:03:32,574 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:03:32,575 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:03:32,575 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:03:32,575 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:03:32,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:03:32,576 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:03:32,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:03:32,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:03:32,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:03:32,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:03:32,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:03:32,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:03:32,577 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:03:32,577 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:03:32,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:03:32,578 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:03:32,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:03:32,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:03:32,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:03:32,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:03:32,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:03:32,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:03:32,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:03:32,581 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:03:32,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:03:32,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:03:32,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:03:32,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:03:32,582 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2021-11-12 23:03:32,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:03:32,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:03:32,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:03:32,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:03:32,854 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:03:32,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-11-12 23:03:32,918 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/data/7daab8cc0/40d408bb61c94535b062102ea02538e4/FLAG9d8665df7 [2021-11-12 23:03:33,376 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:03:33,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-11-12 23:03:33,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/data/7daab8cc0/40d408bb61c94535b062102ea02538e4/FLAG9d8665df7 [2021-11-12 23:03:33,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/data/7daab8cc0/40d408bb61c94535b062102ea02538e4 [2021-11-12 23:03:33,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:03:33,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:03:33,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:03:33,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:03:33,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:03:33,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:03:33" (1/1) ... [2021-11-12 23:03:33,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d4e51c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:33, skipping insertion in model container [2021-11-12 23:03:33,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:03:33" (1/1) ... [2021-11-12 23:03:33,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:03:33,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:03:33,965 WARN L228 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_9d695b47-297a-451f-bff2-2d23af213f27/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-11-12 23:03:33,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:03:33,977 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:03:33,989 WARN L228 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_9d695b47-297a-451f-bff2-2d23af213f27/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-11-12 23:03:33,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:03:34,004 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:03:34,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:34 WrapperNode [2021-11-12 23:03:34,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:03:34,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:03:34,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:03:34,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:03:34,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:34" (1/1) ... [2021-11-12 23:03:34,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:34" (1/1) ... [2021-11-12 23:03:34,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:03:34,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:03:34,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:03:34,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:03:34,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:34" (1/1) ... [2021-11-12 23:03:34,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:34" (1/1) ... [2021-11-12 23:03:34,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:34" (1/1) ... [2021-11-12 23:03:34,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:34" (1/1) ... [2021-11-12 23:03:34,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:34" (1/1) ... [2021-11-12 23:03:34,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:34" (1/1) ... [2021-11-12 23:03:34,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:34" (1/1) ... [2021-11-12 23:03:34,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:03:34,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:03:34,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:03:34,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:03:34,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:34" (1/1) ... [2021-11-12 23:03:34,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:03:34,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:03:34,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:03:34,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:03:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:03:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:03:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:03:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:03:34,293 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:03:34,294 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:03:34,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:03:34 BoogieIcfgContainer [2021-11-12 23:03:34,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:03:34,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:03:34,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:03:34,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:03:34,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:03:33" (1/3) ... [2021-11-12 23:03:34,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34178870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:03:34, skipping insertion in model container [2021-11-12 23:03:34,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:34" (2/3) ... [2021-11-12 23:03:34,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34178870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:03:34, skipping insertion in model container [2021-11-12 23:03:34,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:03:34" (3/3) ... [2021-11-12 23:03:34,304 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-11-12 23:03:34,309 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:03:34,310 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:03:34,355 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:03:34,367 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:03:34,370 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:03:34,383 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2021-11-12 23:03:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-12 23:03:34,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:03:34,388 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-12 23:03:34,389 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:03:34,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:03:34,395 INFO L85 PathProgramCache]: Analyzing trace with hash 43409, now seen corresponding path program 1 times [2021-11-12 23:03:34,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:03:34,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481830791] [2021-11-12 23:03:34,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:03:34,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:03:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:03:34,494 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:03:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:03:34,534 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:03:34,536 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:03:34,537 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:03:34,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:03:34,544 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-12 23:03:34,547 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:03:34,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:03:34 BoogieIcfgContainer [2021-11-12 23:03:34,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 23:03:34,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 23:03:34,566 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 23:03:34,566 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 23:03:34,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:03:34" (3/4) ... [2021-11-12 23:03:34,569 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-12 23:03:34,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 23:03:34,571 INFO L158 Benchmark]: Toolchain (without parser) took 782.36ms. Allocated memory is still 102.8MB. Free memory was 69.3MB in the beginning and 54.5MB in the end (delta: 14.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-11-12 23:03:34,571 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory was 74.1MB in the beginning and 74.1MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:03:34,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.18ms. Allocated memory is still 102.8MB. Free memory was 69.1MB in the beginning and 79.2MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 23:03:34,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.49ms. Allocated memory is still 102.8MB. Free memory was 79.2MB in the beginning and 77.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:03:34,573 INFO L158 Benchmark]: Boogie Preprocessor took 18.55ms. Allocated memory is still 102.8MB. Free memory was 77.9MB in the beginning and 77.0MB in the end (delta: 900.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:03:34,574 INFO L158 Benchmark]: RCFGBuilder took 238.87ms. Allocated memory is still 102.8MB. Free memory was 77.0MB in the beginning and 67.8MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 23:03:34,575 INFO L158 Benchmark]: TraceAbstraction took 266.96ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 54.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:03:34,575 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 102.8MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:03:34,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory was 74.1MB in the beginning and 74.1MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.18ms. Allocated memory is still 102.8MB. Free memory was 69.1MB in the beginning and 79.2MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.49ms. Allocated memory is still 102.8MB. Free memory was 79.2MB in the beginning and 77.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.55ms. Allocated memory is still 102.8MB. Free memory was 77.9MB in the beginning and 77.0MB in the end (delta: 900.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 238.87ms. Allocated memory is still 102.8MB. Free memory was 77.0MB in the beginning and 67.8MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 266.96ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 54.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 102.8MB. Free memory is still 54.5MB. 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 3 NumberOfCodeBlocks, 3 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 [2021-11-12 23:03:34,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:03:37,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:03:37,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:03:37,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:03:37,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:03:37,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:03:37,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:03:37,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:03:37,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:03:37,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:03:37,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:03:37,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:03:37,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:03:37,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:03:37,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:03:37,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:03:37,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:03:37,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:03:37,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:03:37,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:03:37,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:03:37,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:03:37,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:03:37,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:03:37,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:03:37,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:03:37,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:03:37,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:03:37,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:03:37,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:03:37,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:03:37,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:03:37,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:03:37,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:03:37,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:03:37,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:03:37,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:03:37,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:03:37,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:03:37,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:03:37,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:03:37,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-12 23:03:37,251 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:03:37,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:03:37,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:03:37,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:03:37,253 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:03:37,254 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:03:37,254 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:03:37,254 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:03:37,255 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:03:37,255 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:03:37,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:03:37,257 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:03:37,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:03:37,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:03:37,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:03:37,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:03:37,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:03:37,259 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:03:37,259 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:03:37,259 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:03:37,259 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:03:37,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:03:37,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:03:37,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:03:37,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:03:37,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:03:37,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:03:37,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:03:37,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:03:37,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:03:37,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:03:37,262 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:03:37,262 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:03:37,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:03:37,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:03:37,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:03:37,263 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2021-11-12 23:03:37,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:03:37,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:03:37,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:03:37,677 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:03:37,678 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:03:37,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-11-12 23:03:37,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/data/cc04c68e0/ca4bdc58ce214d5e9a09d43119e2cbbc/FLAG4a186483d [2021-11-12 23:03:38,277 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:03:38,278 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-11-12 23:03:38,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/data/cc04c68e0/ca4bdc58ce214d5e9a09d43119e2cbbc/FLAG4a186483d [2021-11-12 23:03:38,658 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/data/cc04c68e0/ca4bdc58ce214d5e9a09d43119e2cbbc [2021-11-12 23:03:38,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:03:38,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:03:38,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:03:38,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:03:38,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:03:38,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:03:38" (1/1) ... [2021-11-12 23:03:38,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc977d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:38, skipping insertion in model container [2021-11-12 23:03:38,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:03:38" (1/1) ... [2021-11-12 23:03:38,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:03:38,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:03:38,815 WARN L228 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_9d695b47-297a-451f-bff2-2d23af213f27/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-11-12 23:03:38,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:03:38,842 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:03:38,867 WARN L228 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_9d695b47-297a-451f-bff2-2d23af213f27/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-11-12 23:03:38,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:03:38,896 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:03:38,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:38 WrapperNode [2021-11-12 23:03:38,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:03:38,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:03:38,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:03:38,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:03:38,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:38" (1/1) ... [2021-11-12 23:03:38,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:38" (1/1) ... [2021-11-12 23:03:38,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:03:38,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:03:38,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:03:38,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:03:38,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:38" (1/1) ... [2021-11-12 23:03:38,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:38" (1/1) ... [2021-11-12 23:03:38,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:38" (1/1) ... [2021-11-12 23:03:38,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:38" (1/1) ... [2021-11-12 23:03:38,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:38" (1/1) ... [2021-11-12 23:03:38,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:38" (1/1) ... [2021-11-12 23:03:38,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:38" (1/1) ... [2021-11-12 23:03:38,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:03:38,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:03:38,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:03:38,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:03:38,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:38" (1/1) ... [2021-11-12 23:03:38,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:03:38,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:03:39,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:03:39,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:03:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:03:39,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:03:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:03:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:03:39,285 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:03:39,286 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:03:39,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:03:39 BoogieIcfgContainer [2021-11-12 23:03:39,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:03:39,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:03:39,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:03:39,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:03:39,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:03:38" (1/3) ... [2021-11-12 23:03:39,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e8c458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:03:39, skipping insertion in model container [2021-11-12 23:03:39,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:38" (2/3) ... [2021-11-12 23:03:39,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e8c458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:03:39, skipping insertion in model container [2021-11-12 23:03:39,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:03:39" (3/3) ... [2021-11-12 23:03:39,295 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-11-12 23:03:39,300 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:03:39,301 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:03:39,349 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:03:39,362 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:03:39,364 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:03:39,391 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) [2021-11-12 23:03:39,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-12 23:03:39,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:03:39,415 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-12 23:03:39,415 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:03:39,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:03:39,421 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-11-12 23:03:39,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:03:39,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71644157] [2021-11-12 23:03:39,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:03:39,434 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:03:39,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:03:39,437 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:03:39,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:03:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:03:39,533 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:03:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:03:39,586 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-12 23:03:39,589 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:03:39,590 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:03:39,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:03:39,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:03:39,797 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-12 23:03:39,801 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:03:39,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:03:39 BoogieIcfgContainer [2021-11-12 23:03:39,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 23:03:39,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 23:03:39,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 23:03:39,832 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 23:03:39,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:03:39" (3/4) ... [2021-11-12 23:03:39,834 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-12 23:03:39,881 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-12 23:03:39,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 23:03:39,883 INFO L158 Benchmark]: Toolchain (without parser) took 1220.56ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 34.2MB in the beginning and 51.6MB in the end (delta: -17.4MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2021-11-12 23:03:39,884 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:03:39,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.14ms. Allocated memory is still 56.6MB. Free memory was 34.1MB in the beginning and 39.7MB in the end (delta: -5.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:03:39,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.95ms. Allocated memory is still 56.6MB. Free memory was 39.7MB in the beginning and 38.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:03:39,888 INFO L158 Benchmark]: Boogie Preprocessor took 33.52ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 37.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:03:39,890 INFO L158 Benchmark]: RCFGBuilder took 317.93ms. Allocated memory is still 56.6MB. Free memory was 37.3MB in the beginning and 28.6MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 23:03:39,891 INFO L158 Benchmark]: TraceAbstraction took 538.01ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 28.1MB in the beginning and 53.5MB in the end (delta: -25.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:03:39,892 INFO L158 Benchmark]: Witness Printer took 50.17ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 51.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:03:39,897 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 56.6MB. Free memory was 37.5MB in the beginning and 37.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.14ms. Allocated memory is still 56.6MB. Free memory was 34.1MB in the beginning and 39.7MB in the end (delta: -5.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.95ms. Allocated memory is still 56.6MB. Free memory was 39.7MB in the beginning and 38.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.52ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 37.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.93ms. Allocated memory is still 56.6MB. Free memory was 37.3MB in the beginning and 28.6MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 538.01ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 28.1MB in the beginning and 53.5MB in the end (delta: -25.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 50.17ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 51.6MB in the end (delta: 1.5MB). 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 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! [2021-11-12 23:03:39,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d695b47-297a-451f-bff2-2d23af213f27/bin/utaipan-vmNK8stdcF/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