./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7 --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 07f72950731c5de2ed23b9c920d3d358df8c5bf808c378b846524de814f135ef --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:53:42,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:53:42,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:53:42,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:53:42,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:53:42,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:53:42,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:53:42,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:53:42,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:53:42,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:53:42,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:53:42,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:53:42,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:53:42,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:53:42,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:53:42,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:53:42,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:53:42,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:53:42,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:53:42,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:53:42,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:53:42,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:53:42,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:53:42,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:53:42,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:53:42,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:53:42,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:53:42,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:53:42,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:53:42,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:53:42,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:53:42,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:53:42,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:53:42,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:53:42,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:53:42,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:53:42,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:53:42,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:53:42,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:53:42,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:53:42,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:53:42,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:53:42,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:53:42,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:53:42,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:53:42,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:53:42,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:53:42,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:53:42,554 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:53:42,554 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:53:42,554 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:53:42,555 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:53:42,556 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:53:42,556 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:53:42,556 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:53:42,557 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:53:42,557 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:53:42,557 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:53:42,557 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:53:42,558 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:53:42,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:53:42,559 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:53:42,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:53:42,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:53:42,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:53:42,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:53:42,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:53:42,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:53:42,562 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:53:42,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:53:42,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:53:42,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:53:42,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:53:42,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:53:42,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:53:42,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:53:42,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:53:42,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:53:42,564 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:53:42,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:53:42,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:53:42,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:53:42,565 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:53:42,565 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_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07f72950731c5de2ed23b9c920d3d358df8c5bf808c378b846524de814f135ef [2021-11-25 19:53:42,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:53:42,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:53:42,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:53:42,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:53:42,887 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:53:42,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2021-11-25 19:53:42,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/data/17630d306/bbe95835ad0b4988a320879e9b3db6f3/FLAG466091806 [2021-11-25 19:53:43,498 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:53:43,499 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2021-11-25 19:53:43,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/data/17630d306/bbe95835ad0b4988a320879e9b3db6f3/FLAG466091806 [2021-11-25 19:53:43,883 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/data/17630d306/bbe95835ad0b4988a320879e9b3db6f3 [2021-11-25 19:53:43,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:53:43,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:53:43,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:53:43,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:53:43,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:53:43,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:53:43" (1/1) ... [2021-11-25 19:53:43,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44733827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:43, skipping insertion in model container [2021-11-25 19:53:43,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:53:43" (1/1) ... [2021-11-25 19:53:43,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:53:43,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:53:44,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c[423,436] [2021-11-25 19:53:44,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:53:44,153 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:53:44,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c[423,436] [2021-11-25 19:53:44,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:53:44,185 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:53:44,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:44 WrapperNode [2021-11-25 19:53:44,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:53:44,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:53:44,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:53:44,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:53:44,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:44" (1/1) ... [2021-11-25 19:53:44,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:44" (1/1) ... [2021-11-25 19:53:44,224 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-25 19:53:44,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:53:44,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:53:44,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:53:44,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:53:44,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:44" (1/1) ... [2021-11-25 19:53:44,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:44" (1/1) ... [2021-11-25 19:53:44,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:44" (1/1) ... [2021-11-25 19:53:44,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:44" (1/1) ... [2021-11-25 19:53:44,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:44" (1/1) ... [2021-11-25 19:53:44,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:44" (1/1) ... [2021-11-25 19:53:44,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:44" (1/1) ... [2021-11-25 19:53:44,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:53:44,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:53:44,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:53:44,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:53:44,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:44" (1/1) ... [2021-11-25 19:53:44,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:53:44,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:53:44,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:53:44,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:53:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:53:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:53:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:53:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:53:44,407 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:53:44,409 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:53:44,518 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:53:44,536 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:53:44,536 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 19:53:44,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:53:44 BoogieIcfgContainer [2021-11-25 19:53:44,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:53:44,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:53:44,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:53:44,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:53:44,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:53:43" (1/3) ... [2021-11-25 19:53:44,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5765bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:53:44, skipping insertion in model container [2021-11-25 19:53:44,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:44" (2/3) ... [2021-11-25 19:53:44,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5765bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:53:44, skipping insertion in model container [2021-11-25 19:53:44,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:53:44" (3/3) ... [2021-11-25 19:53:44,549 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2021-11-25 19:53:44,555 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:53:44,555 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:53:44,618 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:53:44,628 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 [2021-11-25 19:53:44,629 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:53:44,643 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) [2021-11-25 19:53:44,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 19:53:44,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:44,663 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-25 19:53:44,664 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:44,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:44,669 INFO L85 PathProgramCache]: Analyzing trace with hash 43409, now seen corresponding path program 1 times [2021-11-25 19:53:44,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:53:44,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903759097] [2021-11-25 19:53:44,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:44,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:53:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:53:44,768 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 19:53:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:53:44,796 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 19:53:44,798 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 19:53:44,799 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:53:44,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:53:44,806 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-25 19:53:44,809 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:53:44,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:53:44 BoogieIcfgContainer [2021-11-25 19:53:44,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:53:44,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:53:44,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:53:44,827 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:53:44,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:53:44" (3/4) ... [2021-11-25 19:53:44,830 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 19:53:44,831 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:53:44,832 INFO L158 Benchmark]: Toolchain (without parser) took 939.28ms. Allocated memory is still 113.2MB. Free memory was 74.9MB in the beginning and 65.1MB in the end (delta: 9.8MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-25 19:53:44,832 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:53:44,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.08ms. Allocated memory is still 113.2MB. Free memory was 74.7MB in the beginning and 88.8MB in the end (delta: -14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 19:53:44,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.72ms. Allocated memory is still 113.2MB. Free memory was 88.8MB in the beginning and 87.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:53:44,835 INFO L158 Benchmark]: Boogie Preprocessor took 29.74ms. Allocated memory is still 113.2MB. Free memory was 87.2MB in the beginning and 86.7MB in the end (delta: 506.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:53:44,835 INFO L158 Benchmark]: RCFGBuilder took 282.47ms. Allocated memory is still 113.2MB. Free memory was 86.3MB in the beginning and 77.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 19:53:44,836 INFO L158 Benchmark]: TraceAbstraction took 285.05ms. Allocated memory is still 113.2MB. Free memory was 77.7MB in the beginning and 65.3MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 19:53:44,837 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 113.2MB. Free memory was 65.3MB in the beginning and 65.1MB in the end (delta: 257.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:53:44,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.08ms. Allocated memory is still 113.2MB. Free memory was 74.7MB in the beginning and 88.8MB in the end (delta: -14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.72ms. Allocated memory is still 113.2MB. Free memory was 88.8MB in the beginning and 87.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.74ms. Allocated memory is still 113.2MB. Free memory was 87.2MB in the beginning and 86.7MB in the end (delta: 506.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 282.47ms. Allocated memory is still 113.2MB. Free memory was 86.3MB in the beginning and 77.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 285.05ms. Allocated memory is still 113.2MB. Free memory was 77.7MB in the beginning and 65.3MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 113.2MB. Free memory was 65.3MB in the beginning and 65.1MB in the end (delta: 257.2kB). 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=0] [L9] COND TRUE result_8 != 0xfa VAL [port=90, result_8=0] [L14] reach_error() VAL [port=90, result_8=0] - 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 [2021-11-25 19:53:44,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/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_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7 --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 07f72950731c5de2ed23b9c920d3d358df8c5bf808c378b846524de814f135ef --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:53:47,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:53:47,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:53:47,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:53:47,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:53:47,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:53:47,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:53:47,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:53:47,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:53:47,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:53:47,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:53:47,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:53:47,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:53:47,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:53:47,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:53:47,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:53:47,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:53:47,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:53:47,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:53:47,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:53:47,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:53:47,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:53:47,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:53:47,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:53:47,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:53:47,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:53:47,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:53:47,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:53:47,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:53:47,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:53:47,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:53:47,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:53:47,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:53:47,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:53:47,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:53:47,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:53:47,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:53:47,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:53:47,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:53:47,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:53:47,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:53:47,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 19:53:47,496 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:53:47,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:53:47,497 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:53:47,497 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:53:47,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:53:47,498 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:53:47,498 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:53:47,499 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:53:47,500 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:53:47,500 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:53:47,501 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:53:47,501 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:53:47,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:53:47,503 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:53:47,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:53:47,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:53:47,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:53:47,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:53:47,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:53:47,504 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:53:47,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 19:53:47,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 19:53:47,505 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:53:47,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:53:47,505 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:53:47,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:53:47,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:53:47,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 19:53:47,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:53:47,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:53:47,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:53:47,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:53:47,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:53:47,508 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 19:53:47,508 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 19:53:47,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:53:47,509 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:53:47,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:53:47,509 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_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07f72950731c5de2ed23b9c920d3d358df8c5bf808c378b846524de814f135ef [2021-11-25 19:53:47,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:53:47,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:53:47,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:53:47,926 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:53:47,928 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:53:47,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2021-11-25 19:53:48,004 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/data/1d9263354/efae68ad339d47478e9c60250068296f/FLAG0884aaa58 [2021-11-25 19:53:48,569 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:53:48,570 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2021-11-25 19:53:48,576 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/data/1d9263354/efae68ad339d47478e9c60250068296f/FLAG0884aaa58 [2021-11-25 19:53:48,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/data/1d9263354/efae68ad339d47478e9c60250068296f [2021-11-25 19:53:48,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:53:48,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:53:48,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:53:48,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:53:48,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:53:48,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:53:48" (1/1) ... [2021-11-25 19:53:48,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f525589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:48, skipping insertion in model container [2021-11-25 19:53:48,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:53:48" (1/1) ... [2021-11-25 19:53:48,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:53:48,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:53:49,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c[423,436] [2021-11-25 19:53:49,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:53:49,182 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:53:49,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c[423,436] [2021-11-25 19:53:49,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:53:49,259 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:53:49,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:49 WrapperNode [2021-11-25 19:53:49,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:53:49,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:53:49,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:53:49,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:53:49,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:49" (1/1) ... [2021-11-25 19:53:49,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:49" (1/1) ... [2021-11-25 19:53:49,292 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-25 19:53:49,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:53:49,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:53:49,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:53:49,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:53:49,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:49" (1/1) ... [2021-11-25 19:53:49,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:49" (1/1) ... [2021-11-25 19:53:49,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:49" (1/1) ... [2021-11-25 19:53:49,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:49" (1/1) ... [2021-11-25 19:53:49,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:49" (1/1) ... [2021-11-25 19:53:49,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:49" (1/1) ... [2021-11-25 19:53:49,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:49" (1/1) ... [2021-11-25 19:53:49,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:53:49,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:53:49,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:53:49,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:53:49,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:49" (1/1) ... [2021-11-25 19:53:49,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:53:49,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:53:49,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:53:49,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:53:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:53:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:53:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:53:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 19:53:49,487 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:53:49,488 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:53:49,575 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:53:49,580 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:53:49,581 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 19:53:49,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:53:49 BoogieIcfgContainer [2021-11-25 19:53:49,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:53:49,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:53:49,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:53:49,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:53:49,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:53:48" (1/3) ... [2021-11-25 19:53:49,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16076cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:53:49, skipping insertion in model container [2021-11-25 19:53:49,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:49" (2/3) ... [2021-11-25 19:53:49,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16076cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:53:49, skipping insertion in model container [2021-11-25 19:53:49,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:53:49" (3/3) ... [2021-11-25 19:53:49,594 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2021-11-25 19:53:49,600 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:53:49,600 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:53:49,670 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:53:49,681 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 [2021-11-25 19:53:49,681 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:53:49,697 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) [2021-11-25 19:53:49,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 19:53:49,712 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:49,713 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 19:53:49,713 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:49,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:49,721 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-11-25 19:53:49,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:53:49,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757604407] [2021-11-25 19:53:49,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:49,735 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:53:49,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:53:49,741 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:53:49,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 19:53:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:49,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:53:49,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:53:49,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:53:49,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:53:49,921 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:53:49,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757604407] [2021-11-25 19:53:49,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757604407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:49,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:49,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:53:49,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013685062] [2021-11-25 19:53:49,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:49,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:53:49,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:53:49,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:53:49,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:49,959 INFO L87 Difference]: Start difference. First 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-25 19:53:49,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:49,976 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2021-11-25 19:53:49,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:53:49,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2021-11-25 19:53:49,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:49,995 INFO L225 Difference]: With dead ends: 11 [2021-11-25 19:53:49,996 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 19:53:49,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:50,005 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:50,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:53:50,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 19:53:50,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 19:53:50,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-11-25 19:53:50,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 19:53:50,031 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-11-25 19:53:50,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:50,031 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 19:53:50,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-25 19:53:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 19:53:50,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 19:53:50,041 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:53:50,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:53:50,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:53:50,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 19:53:50,273 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 19:53:50,273 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-25 19:53:50,273 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 19:53:50,274 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-25 19:53:50,274 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-11-25 19:53:50,275 INFO L854 garLoopResultBuilder]: At program point L15(lines 5 16) the Hoare annotation is: (= (bvadd (_ bv6 8) |ULTIMATE.start_main_~result_8~0#1|) (_ bv0 8)) [2021-11-25 19:53:50,275 INFO L854 garLoopResultBuilder]: At program point L10(lines 5 16) the Hoare annotation is: false [2021-11-25 19:53:50,275 INFO L858 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2021-11-25 19:53:50,280 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-25 19:53:50,283 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:53:50,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:53:50 BoogieIcfgContainer [2021-11-25 19:53:50,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:53:50,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:53:50,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:53:50,320 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:53:50,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:53:49" (3/4) ... [2021-11-25 19:53:50,324 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 19:53:50,336 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-25 19:53:50,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-25 19:53:50,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 19:53:50,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 19:53:50,377 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 19:53:50,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:53:50,379 INFO L158 Benchmark]: Toolchain (without parser) took 1428.66ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.0MB in the beginning and 42.5MB in the end (delta: -13.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:53:50,380 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:53:50,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.84ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.8MB in the beginning and 45.6MB in the end (delta: -16.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-11-25 19:53:50,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.48ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 44.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:53:50,383 INFO L158 Benchmark]: Boogie Preprocessor took 26.14ms. Allocated memory is still 62.9MB. Free memory was 44.3MB in the beginning and 43.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:53:50,384 INFO L158 Benchmark]: RCFGBuilder took 261.74ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 35.7MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 19:53:50,384 INFO L158 Benchmark]: TraceAbstraction took 731.38ms. Allocated memory is still 62.9MB. Free memory was 35.3MB in the beginning and 44.9MB in the end (delta: -9.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-11-25 19:53:50,385 INFO L158 Benchmark]: Witness Printer took 58.79ms. Allocated memory is still 62.9MB. Free memory was 44.9MB in the beginning and 42.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:53:50,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.84ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.8MB in the beginning and 45.6MB in the end (delta: -16.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.48ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 44.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.14ms. Allocated memory is still 62.9MB. Free memory was 44.3MB in the beginning and 43.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.74ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 35.7MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 731.38ms. Allocated memory is still 62.9MB. Free memory was 35.3MB in the beginning and 44.9MB in the end (delta: -9.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Witness Printer took 58.79ms. Allocated memory is still 62.9MB. Free memory was 44.9MB in the beginning and 42.5MB in the end (delta: 2.4MB). 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 - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 2 NumberOfNonLiveVariables, 18 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: ~bvadd64(6bv8, result_8) == 0bv8 RESULT: Ultimate proved your program to be correct! [2021-11-25 19:53:50,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef6636e-07ab-4dc9-bc9d-367d5e0d2ae2/bin/utaipan-eEHZpOm5b7/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 Result: TRUE