./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9 --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 64bit --witnessprinter.graph.data.programhash af4d8841e29b179ae5a97be77cd4bb6ac99ab352332f779996240021d6f65cf0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 20:51:51,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:51:51,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:51:51,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:51:51,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:51:51,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:51:51,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:51:51,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:51:51,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:51:51,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:51:51,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:51:51,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:51:51,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:51:51,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:51:51,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:51:51,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:51:51,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:51:51,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:51:51,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:51:51,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:51:51,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:51:51,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:51:51,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:51:51,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:51:51,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:51:51,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:51:51,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:51:51,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:51:51,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:51:51,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:51:51,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:51:51,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:51:51,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:51:51,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:51:51,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:51:51,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:51:51,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:51:51,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:51:51,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:51:51,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:51:51,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:51:51,533 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 20:51:51,577 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:51:51,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:51:51,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:51:51,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:51:51,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:51:51,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:51:51,579 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:51:51,580 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:51:51,580 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:51:51,580 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:51:51,581 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:51:51,581 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:51:51,582 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:51:51,582 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:51:51,582 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:51:51,582 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:51:51,582 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:51:51,583 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:51:51,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:51:51,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:51:51,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:51:51,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:51:51,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:51:51,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:51:51,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:51:51,585 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:51:51,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:51:51,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:51:51,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:51:51,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:51:51,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:51:51,587 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:51:51,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:51:51,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:51:51,588 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:51:51,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:51:51,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:51:51,588 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:51:51,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af4d8841e29b179ae5a97be77cd4bb6ac99ab352332f779996240021d6f65cf0 [2022-11-20 20:51:51,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:51:51,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:51:51,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:51:51,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:51:51,897 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:51:51,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c [2022-11-20 20:51:54,916 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:51:55,293 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:51:55,294 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c [2022-11-20 20:51:55,312 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/data/7ae415b76/86e11659e3f3487ea559e88645472b5b/FLAGb91742d66 [2022-11-20 20:51:55,339 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/data/7ae415b76/86e11659e3f3487ea559e88645472b5b [2022-11-20 20:51:55,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:51:55,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:51:55,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:51:55,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:51:55,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:51:55,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:51:55" (1/1) ... [2022-11-20 20:51:55,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731ac308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:51:55, skipping insertion in model container [2022-11-20 20:51:55,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:51:55" (1/1) ... [2022-11-20 20:51:55,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:51:55,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:51:55,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c[1107,1120] [2022-11-20 20:51:55,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:51:55,888 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:51:55,899 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c[1107,1120] [2022-11-20 20:51:56,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:51:56,086 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:51:56,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:51:56 WrapperNode [2022-11-20 20:51:56,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:51:56,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:51:56,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:51:56,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:51:56,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:51:56" (1/1) ... [2022-11-20 20:51:56,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:51:56" (1/1) ... [2022-11-20 20:51:56,210 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1169 [2022-11-20 20:51:56,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:51:56,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:51:56,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:51:56,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:51:56,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:51:56" (1/1) ... [2022-11-20 20:51:56,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:51:56" (1/1) ... [2022-11-20 20:51:56,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:51:56" (1/1) ... [2022-11-20 20:51:56,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:51:56" (1/1) ... [2022-11-20 20:51:56,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:51:56" (1/1) ... [2022-11-20 20:51:56,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:51:56" (1/1) ... [2022-11-20 20:51:56,337 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:51:56" (1/1) ... [2022-11-20 20:51:56,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:51:56" (1/1) ... [2022-11-20 20:51:56,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:51:56,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:51:56,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:51:56,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:51:56,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:51:56" (1/1) ... [2022-11-20 20:51:56,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:51:56,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:51:56,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:51:56,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:51:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:51:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:51:56,898 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:51:56,900 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:52:14,100 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:52:14,137 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:52:14,137 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 20:52:14,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:52:14 BoogieIcfgContainer [2022-11-20 20:52:14,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:52:14,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:52:14,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:52:14,155 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:52:14,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:51:55" (1/3) ... [2022-11-20 20:52:14,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d11bd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:52:14, skipping insertion in model container [2022-11-20 20:52:14,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:51:56" (2/3) ... [2022-11-20 20:52:14,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d11bd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:52:14, skipping insertion in model container [2022-11-20 20:52:14,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:52:14" (3/3) ... [2022-11-20 20:52:14,170 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p01.c [2022-11-20 20:52:14,190 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:52:14,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 20:52:14,256 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:52:14,262 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c541f19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:52:14,262 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 20:52:14,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:52:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 20:52:14,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:52:14,275 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-20 20:52:14,276 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:52:14,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:52:14,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-20 20:52:14,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:52:14,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662723163] [2022-11-20 20:52:14,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:52:14,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:52:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:52:15,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 20:52:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:52:16,490 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 20:52:16,492 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 20:52:16,493 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 20:52:16,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:52:16,501 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 20:52:16,506 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:52:16,558 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 20:52:16,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:52:16 BoogieIcfgContainer [2022-11-20 20:52:16,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:52:16,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:52:16,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:52:16,584 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:52:16,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:52:14" (3/4) ... [2022-11-20 20:52:16,590 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 20:52:16,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:52:16,593 INFO L158 Benchmark]: Toolchain (without parser) took 21248.68ms. Allocated memory was 178.3MB in the beginning and 547.4MB in the end (delta: 369.1MB). Free memory was 143.0MB in the beginning and 443.5MB in the end (delta: -300.5MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2022-11-20 20:52:16,593 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:52:16,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 742.13ms. Allocated memory is still 178.3MB. Free memory was 143.0MB in the beginning and 103.2MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 20:52:16,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.56ms. Allocated memory is still 178.3MB. Free memory was 103.2MB in the beginning and 91.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 20:52:16,596 INFO L158 Benchmark]: Boogie Preprocessor took 144.35ms. Allocated memory is still 178.3MB. Free memory was 91.9MB in the beginning and 85.9MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 20:52:16,601 INFO L158 Benchmark]: RCFGBuilder took 17778.78ms. Allocated memory was 178.3MB in the beginning and 547.4MB in the end (delta: 369.1MB). Free memory was 85.9MB in the beginning and 351.3MB in the end (delta: -265.3MB). Peak memory consumption was 284.8MB. Max. memory is 16.1GB. [2022-11-20 20:52:16,603 INFO L158 Benchmark]: TraceAbstraction took 2430.52ms. Allocated memory is still 547.4MB. Free memory was 350.2MB in the beginning and 444.6MB in the end (delta: -94.4MB). Peak memory consumption was 176.2MB. Max. memory is 16.1GB. [2022-11-20 20:52:16,604 INFO L158 Benchmark]: Witness Printer took 7.57ms. Allocated memory is still 547.4MB. Free memory was 444.6MB in the beginning and 443.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:52:16,612 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 742.13ms. Allocated memory is still 178.3MB. Free memory was 143.0MB in the beginning and 103.2MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.56ms. Allocated memory is still 178.3MB. Free memory was 103.2MB in the beginning and 91.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 144.35ms. Allocated memory is still 178.3MB. Free memory was 91.9MB in the beginning and 85.9MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 17778.78ms. Allocated memory was 178.3MB in the beginning and 547.4MB in the end (delta: 369.1MB). Free memory was 85.9MB in the beginning and 351.3MB in the end (delta: -265.3MB). Peak memory consumption was 284.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2430.52ms. Allocated memory is still 547.4MB. Free memory was 350.2MB in the beginning and 444.6MB in the end (delta: -94.4MB). Peak memory consumption was 176.2MB. Max. memory is 16.1GB. * Witness Printer took 7.57ms. Allocated memory is still 547.4MB. Free memory was 444.6MB in the beginning and 443.5MB in the end (delta: 1.1MB). 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 - UnprovableResult [Line: 20]: 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 293, overapproximation of bitwiseAnd at line 164. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L34] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 32); [L35] const SORT_21 msb_SORT_21 = (SORT_21)1 << (32 - 1); [L37] const SORT_88 mask_SORT_88 = (SORT_88)-1 >> (sizeof(SORT_88) * 8 - 3); [L38] const SORT_88 msb_SORT_88 = (SORT_88)1 << (3 - 1); [L40] const SORT_115 mask_SORT_115 = (SORT_115)-1 >> (sizeof(SORT_115) * 8 - 2); [L41] const SORT_115 msb_SORT_115 = (SORT_115)1 << (2 - 1); [L43] const SORT_222 mask_SORT_222 = (SORT_222)-1 >> (sizeof(SORT_222) * 8 - 4); [L44] const SORT_222 msb_SORT_222 = (SORT_222)1 << (4 - 1); [L46] const SORT_3 var_7 = 0; [L47] const SORT_1 var_12 = 1; [L48] const SORT_1 var_19 = 0; [L49] const SORT_21 var_23 = 12; [L50] const SORT_21 var_29 = 15; [L51] const SORT_21 var_36 = 8; [L52] const SORT_21 var_42 = 11; [L53] const SORT_21 var_50 = 4; [L54] const SORT_21 var_56 = 7; [L55] const SORT_5 var_83 = 0; [L56] const SORT_88 var_89 = 0; [L57] const SORT_88 var_93 = 2; [L58] const SORT_88 var_97 = 1; [L59] const SORT_88 var_102 = 4; [L60] const SORT_88 var_104 = 5; [L61] const SORT_88 var_108 = 3; [L62] const SORT_21 var_118 = 0; [L63] const SORT_3 var_125 = 31; [L64] const SORT_88 var_313 = 7; [L65] const SORT_88 var_318 = 6; [L66] const SORT_3 var_378 = 2; [L68] SORT_1 input_2; [L69] SORT_3 input_4; [L70] SORT_5 input_6; [L71] SORT_3 input_112; [L72] SORT_3 input_113; [L73] SORT_3 input_114; [L74] SORT_3 input_124; [L75] SORT_3 input_134; [L76] SORT_3 input_135; [L77] SORT_3 input_136; [L78] SORT_3 input_139; [L79] SORT_3 input_158; [L80] SORT_3 input_159; [L81] SORT_3 input_160; [L82] SORT_3 input_163; [L83] SORT_3 input_165; [L84] SORT_115 input_179; [L85] SORT_115 input_180; [L86] SORT_115 input_181; [L88] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] SORT_3 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] SORT_3 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] SORT_3 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] SORT_3 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L96] SORT_3 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] SORT_5 state_84 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L99] SORT_3 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L100] SORT_88 state_90 = __VERIFIER_nondet_uchar() & mask_SORT_88; [L102] SORT_3 init_9_arg_1 = var_7; [L103] state_8 = init_9_arg_1 [L104] SORT_3 init_11_arg_1 = var_7; [L105] state_10 = init_11_arg_1 [L106] SORT_3 init_15_arg_1 = var_7; [L107] state_14 = init_15_arg_1 [L108] SORT_3 init_17_arg_1 = var_7; [L109] state_16 = init_17_arg_1 [L110] SORT_3 init_61_arg_1 = var_7; [L111] state_60 = init_61_arg_1 [L112] SORT_3 init_65_arg_1 = var_7; [L113] state_64 = init_65_arg_1 [L114] SORT_3 init_69_arg_1 = var_7; [L115] state_68 = init_69_arg_1 [L116] SORT_3 init_78_arg_1 = var_7; [L117] state_77 = init_78_arg_1 [L118] SORT_3 init_80_arg_1 = var_7; [L119] state_79 = init_80_arg_1 [L120] SORT_1 init_82_arg_1 = var_19; [L121] state_81 = init_82_arg_1 [L122] SORT_5 init_85_arg_1 = var_83; [L123] state_84 = init_85_arg_1 [L124] SORT_3 init_87_arg_1 = var_7; [L125] state_86 = init_87_arg_1 [L126] SORT_88 init_91_arg_1 = var_89; [L127] state_90 = init_91_arg_1 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_61_arg_1=0, init_65_arg_1=0, init_69_arg_1=0, init_78_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_115=3, mask_SORT_21=4294967295, mask_SORT_222=15, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_88=7, msb_SORT_1=1, msb_SORT_115=2, msb_SORT_21=2147483648, msb_SORT_222=8, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_88=4, state_10=0, state_14=0, state_16=0, state_60=0, state_64=0, state_68=0, state_77=0, state_79=0, state_8=0, state_81=0, state_84=0, state_86=0, state_90=0, var_102=4, var_104=5, var_108=3, var_118=0, var_12=1, var_125=31, var_19=0, var_23=12, var_29=15, var_313=7, var_318=6, var_36=8, var_378=2, var_42=11, var_50=4, var_56=7, var_7=0, var_83=0, var_89=0, var_93=2, var_97=1] [L130] input_2 = __VERIFIER_nondet_uchar() [L131] input_4 = __VERIFIER_nondet_uchar() [L132] input_6 = __VERIFIER_nondet_ushort() [L133] input_112 = __VERIFIER_nondet_uchar() [L134] input_113 = __VERIFIER_nondet_uchar() [L135] input_114 = __VERIFIER_nondet_uchar() [L136] input_124 = __VERIFIER_nondet_uchar() [L137] input_134 = __VERIFIER_nondet_uchar() [L138] input_135 = __VERIFIER_nondet_uchar() [L139] input_136 = __VERIFIER_nondet_uchar() [L140] input_139 = __VERIFIER_nondet_uchar() [L141] input_158 = __VERIFIER_nondet_uchar() [L142] input_159 = __VERIFIER_nondet_uchar() [L143] input_160 = __VERIFIER_nondet_uchar() [L144] input_163 = __VERIFIER_nondet_uchar() [L145] input_165 = __VERIFIER_nondet_uchar() [L146] input_179 = __VERIFIER_nondet_uchar() [L147] input_180 = __VERIFIER_nondet_uchar() [L148] input_181 = __VERIFIER_nondet_uchar() [L151] SORT_1 var_18_arg_0 = var_12; [L152] SORT_3 var_18_arg_1 = state_16; [L153] SORT_3 var_18_arg_2 = state_14; [L154] SORT_3 var_18 = var_18_arg_0 ? var_18_arg_1 : var_18_arg_2; [L155] SORT_1 var_13_arg_0 = var_12; [L156] SORT_3 var_13_arg_1 = state_10; [L157] SORT_3 var_13_arg_2 = state_8; [L158] SORT_3 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L159] SORT_1 var_20_arg_0 = var_19; [L160] SORT_3 var_20_arg_1 = var_18; [L161] SORT_3 var_20_arg_2 = var_13; [L162] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L163] SORT_3 var_22_arg_0 = var_20; [L164] var_22_arg_0 = var_22_arg_0 & mask_SORT_3 [L165] SORT_21 var_22 = var_22_arg_0; [L166] SORT_21 var_24_arg_0 = var_22; [L167] SORT_21 var_24_arg_1 = var_23; [L168] SORT_1 var_24 = var_24_arg_0 >= var_24_arg_1; [L169] SORT_1 var_26_arg_0 = var_12; [L170] SORT_3 var_26_arg_1 = state_16; [L171] SORT_3 var_26_arg_2 = state_14; [L172] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L173] SORT_1 var_25_arg_0 = var_12; [L174] SORT_3 var_25_arg_1 = state_10; [L175] SORT_3 var_25_arg_2 = state_8; [L176] SORT_3 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L177] SORT_1 var_27_arg_0 = var_19; [L178] SORT_3 var_27_arg_1 = var_26; [L179] SORT_3 var_27_arg_2 = var_25; [L180] SORT_3 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L181] SORT_3 var_28_arg_0 = var_27; [L182] var_28_arg_0 = var_28_arg_0 & mask_SORT_3 [L183] SORT_21 var_28 = var_28_arg_0; [L184] SORT_21 var_30_arg_0 = var_28; [L185] SORT_21 var_30_arg_1 = var_29; [L186] SORT_1 var_30 = var_30_arg_0 <= var_30_arg_1; [L187] SORT_1 var_31_arg_0 = var_24; [L188] SORT_1 var_31_arg_1 = var_30; [L189] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L190] SORT_1 var_33_arg_0 = var_19; [L191] SORT_3 var_33_arg_1 = state_16; [L192] SORT_3 var_33_arg_2 = state_14; [L193] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L194] SORT_1 var_32_arg_0 = var_19; [L195] SORT_3 var_32_arg_1 = state_10; [L196] SORT_3 var_32_arg_2 = state_8; [L197] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L198] SORT_1 var_34_arg_0 = var_12; [L199] SORT_3 var_34_arg_1 = var_33; [L200] SORT_3 var_34_arg_2 = var_32; [L201] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L202] SORT_3 var_35_arg_0 = var_34; [L203] var_35_arg_0 = var_35_arg_0 & mask_SORT_3 [L204] SORT_21 var_35 = var_35_arg_0; [L205] SORT_21 var_37_arg_0 = var_35; [L206] SORT_21 var_37_arg_1 = var_36; [L207] SORT_1 var_37 = var_37_arg_0 >= var_37_arg_1; [L208] SORT_1 var_39_arg_0 = var_19; [L209] SORT_3 var_39_arg_1 = state_16; [L210] SORT_3 var_39_arg_2 = state_14; [L211] SORT_3 var_39 = var_39_arg_0 ? var_39_arg_1 : var_39_arg_2; [L212] SORT_1 var_38_arg_0 = var_19; [L213] SORT_3 var_38_arg_1 = state_10; [L214] SORT_3 var_38_arg_2 = state_8; [L215] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L216] SORT_1 var_40_arg_0 = var_12; [L217] SORT_3 var_40_arg_1 = var_39; [L218] SORT_3 var_40_arg_2 = var_38; [L219] SORT_3 var_40 = var_40_arg_0 ? var_40_arg_1 : var_40_arg_2; [L220] SORT_3 var_41_arg_0 = var_40; [L221] var_41_arg_0 = var_41_arg_0 & mask_SORT_3 [L222] SORT_21 var_41 = var_41_arg_0; [L223] SORT_21 var_43_arg_0 = var_41; [L224] SORT_21 var_43_arg_1 = var_42; [L225] SORT_1 var_43 = var_43_arg_0 <= var_43_arg_1; [L226] SORT_1 var_44_arg_0 = var_37; [L227] SORT_1 var_44_arg_1 = var_43; [L228] SORT_1 var_44 = var_44_arg_0 & var_44_arg_1; [L229] SORT_1 var_45_arg_0 = var_31; [L230] SORT_1 var_45_arg_1 = var_44; [L231] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L232] SORT_1 var_47_arg_0 = var_12; [L233] SORT_3 var_47_arg_1 = state_16; [L234] SORT_3 var_47_arg_2 = state_14; [L235] SORT_3 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L236] SORT_1 var_46_arg_0 = var_12; [L237] SORT_3 var_46_arg_1 = state_10; [L238] SORT_3 var_46_arg_2 = state_8; [L239] SORT_3 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L240] SORT_1 var_48_arg_0 = var_12; [L241] SORT_3 var_48_arg_1 = var_47; [L242] SORT_3 var_48_arg_2 = var_46; [L243] SORT_3 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L244] SORT_3 var_49_arg_0 = var_48; [L245] var_49_arg_0 = var_49_arg_0 & mask_SORT_3 [L246] SORT_21 var_49 = var_49_arg_0; [L247] SORT_21 var_51_arg_0 = var_49; [L248] SORT_21 var_51_arg_1 = var_50; [L249] SORT_1 var_51 = var_51_arg_0 >= var_51_arg_1; [L250] SORT_1 var_53_arg_0 = var_12; [L251] SORT_3 var_53_arg_1 = state_16; [L252] SORT_3 var_53_arg_2 = state_14; [L253] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L254] SORT_1 var_52_arg_0 = var_12; [L255] SORT_3 var_52_arg_1 = state_10; [L256] SORT_3 var_52_arg_2 = state_8; [L257] SORT_3 var_52 = var_52_arg_0 ? var_52_arg_1 : var_52_arg_2; [L258] SORT_1 var_54_arg_0 = var_12; [L259] SORT_3 var_54_arg_1 = var_53; [L260] SORT_3 var_54_arg_2 = var_52; [L261] SORT_3 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L262] SORT_3 var_55_arg_0 = var_54; [L263] var_55_arg_0 = var_55_arg_0 & mask_SORT_3 [L264] SORT_21 var_55 = var_55_arg_0; [L265] SORT_21 var_57_arg_0 = var_55; [L266] SORT_21 var_57_arg_1 = var_56; [L267] SORT_1 var_57 = var_57_arg_0 <= var_57_arg_1; [L268] SORT_1 var_58_arg_0 = var_51; [L269] SORT_1 var_58_arg_1 = var_57; [L270] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L271] SORT_1 var_59_arg_0 = var_45; [L272] SORT_1 var_59_arg_1 = var_58; [L273] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L274] SORT_3 var_62_arg_0 = state_60; [L275] SORT_3 var_62_arg_1 = var_7; [L276] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L277] SORT_1 var_63_arg_0 = var_59; [L278] SORT_1 var_63_arg_1 = var_62; [L279] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L280] SORT_3 var_66_arg_0 = state_64; [L281] SORT_3 var_66_arg_1 = var_7; [L282] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L283] SORT_1 var_67_arg_0 = var_63; [L284] SORT_1 var_67_arg_1 = var_66; [L285] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L286] SORT_3 var_70_arg_0 = state_68; [L287] SORT_3 var_70_arg_1 = var_7; [L288] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L289] SORT_1 var_71_arg_0 = var_67; [L290] SORT_1 var_71_arg_1 = var_70; [L291] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L292] SORT_1 var_74_arg_0 = var_71; [L293] SORT_1 var_74 = ~var_74_arg_0; [L294] SORT_1 var_75_arg_0 = var_12; [L295] SORT_1 var_75_arg_1 = var_74; [L296] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L297] var_75 = var_75 & mask_SORT_1 [L298] SORT_1 bad_76_arg_0 = var_75; [L299] CALL __VERIFIER_assert(!(bad_76_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 20:52:16,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9 --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 64bit --witnessprinter.graph.data.programhash af4d8841e29b179ae5a97be77cd4bb6ac99ab352332f779996240021d6f65cf0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 20:52:19,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:52:19,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:52:19,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:52:19,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:52:19,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:52:19,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:52:19,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:52:19,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:52:19,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:52:19,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:52:19,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:52:19,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:52:19,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:52:19,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:52:19,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:52:19,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:52:19,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:52:19,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:52:19,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:52:19,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:52:19,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:52:19,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:52:19,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:52:19,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:52:19,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:52:19,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:52:19,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:52:19,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:52:19,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:52:19,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:52:19,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:52:19,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:52:19,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:52:19,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:52:19,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:52:19,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:52:19,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:52:19,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:52:19,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:52:19,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:52:19,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-20 20:52:19,440 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:52:19,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:52:19,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:52:19,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:52:19,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:52:19,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:52:19,444 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:52:19,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:52:19,444 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:52:19,445 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:52:19,446 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:52:19,446 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:52:19,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:52:19,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:52:19,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:52:19,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:52:19,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:52:19,448 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 20:52:19,448 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 20:52:19,448 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 20:52:19,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:52:19,449 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:52:19,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:52:19,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:52:19,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 20:52:19,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:52:19,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:52:19,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:52:19,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:52:19,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:52:19,451 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 20:52:19,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 20:52:19,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:52:19,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:52:19,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 20:52:19,453 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_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af4d8841e29b179ae5a97be77cd4bb6ac99ab352332f779996240021d6f65cf0 [2022-11-20 20:52:19,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:52:19,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:52:19,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:52:19,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:52:19,896 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:52:19,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c [2022-11-20 20:52:23,150 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:52:23,467 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:52:23,468 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c [2022-11-20 20:52:23,506 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/data/6a74f9286/34628aa11a9848b9b330a3531200085b/FLAG02f5deff8 [2022-11-20 20:52:23,531 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/data/6a74f9286/34628aa11a9848b9b330a3531200085b [2022-11-20 20:52:23,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:52:23,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:52:23,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:52:23,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:52:23,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:52:23,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:52:23" (1/1) ... [2022-11-20 20:52:23,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d2dff69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:52:23, skipping insertion in model container [2022-11-20 20:52:23,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:52:23" (1/1) ... [2022-11-20 20:52:23,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:52:23,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:52:23,860 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c[1107,1120] [2022-11-20 20:52:24,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:52:24,185 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:52:24,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c[1107,1120] [2022-11-20 20:52:24,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:52:24,372 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:52:24,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:52:24 WrapperNode [2022-11-20 20:52:24,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:52:24,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:52:24,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:52:24,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:52:24,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:52:24" (1/1) ... [2022-11-20 20:52:24,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:52:24" (1/1) ... [2022-11-20 20:52:24,511 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1169 [2022-11-20 20:52:24,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:52:24,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:52:24,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:52:24,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:52:24,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:52:24" (1/1) ... [2022-11-20 20:52:24,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:52:24" (1/1) ... [2022-11-20 20:52:24,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:52:24" (1/1) ... [2022-11-20 20:52:24,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:52:24" (1/1) ... [2022-11-20 20:52:24,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:52:24" (1/1) ... [2022-11-20 20:52:24,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:52:24" (1/1) ... [2022-11-20 20:52:24,616 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:52:24" (1/1) ... [2022-11-20 20:52:24,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:52:24" (1/1) ... [2022-11-20 20:52:24,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:52:24,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:52:24,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:52:24,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:52:24,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:52:24" (1/1) ... [2022-11-20 20:52:24,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:52:24,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:52:24,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:52:24,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:52:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:52:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:52:25,202 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:52:25,204 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:52:26,915 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:52:26,927 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:52:26,927 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 20:52:26,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:52:26 BoogieIcfgContainer [2022-11-20 20:52:26,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:52:26,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:52:26,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:52:26,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:52:26,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:52:23" (1/3) ... [2022-11-20 20:52:26,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bafc2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:52:26, skipping insertion in model container [2022-11-20 20:52:26,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:52:24" (2/3) ... [2022-11-20 20:52:26,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bafc2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:52:26, skipping insertion in model container [2022-11-20 20:52:26,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:52:26" (3/3) ... [2022-11-20 20:52:26,943 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p01.c [2022-11-20 20:52:26,968 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:52:26,968 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 20:52:27,039 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:52:27,047 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@49c167f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:52:27,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 20:52:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:52:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 20:52:27,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:52:27,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 20:52:27,059 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:52:27,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:52:27,068 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 20:52:27,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:52:27,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850426379] [2022-11-20 20:52:27,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:52:27,090 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:52:27,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:52:27,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:52:27,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 20:52:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:52:27,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 20:52:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:52:27,949 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-20 20:52:27,952 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 20:52:27,953 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 20:52:27,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 20:52:28,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:52:28,176 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 20:52:28,181 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:52:28,244 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 20:52:28,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:52:28 BoogieIcfgContainer [2022-11-20 20:52:28,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:52:28,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:52:28,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:52:28,272 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:52:28,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:52:26" (3/4) ... [2022-11-20 20:52:28,278 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 20:52:28,313 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 20:52:28,418 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:52:28,419 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:52:28,420 INFO L158 Benchmark]: Toolchain (without parser) took 4879.71ms. Allocated memory was 62.9MB in the beginning and 113.2MB in the end (delta: 50.3MB). Free memory was 34.8MB in the beginning and 71.8MB in the end (delta: -37.1MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2022-11-20 20:52:28,420 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:52:28,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 831.97ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 34.6MB in the beginning and 44.0MB in the end (delta: -9.4MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2022-11-20 20:52:28,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.54ms. Allocated memory is still 77.6MB. Free memory was 43.9MB in the beginning and 35.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 20:52:28,422 INFO L158 Benchmark]: Boogie Preprocessor took 142.35ms. Allocated memory is still 77.6MB. Free memory was 35.0MB in the beginning and 44.5MB in the end (delta: -9.5MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2022-11-20 20:52:28,422 INFO L158 Benchmark]: RCFGBuilder took 2274.87ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 44.5MB in the beginning and 66.9MB in the end (delta: -22.4MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2022-11-20 20:52:28,423 INFO L158 Benchmark]: TraceAbstraction took 1334.48ms. Allocated memory is still 113.2MB. Free memory was 66.2MB in the beginning and 42.1MB in the end (delta: 24.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-11-20 20:52:28,423 INFO L158 Benchmark]: Witness Printer took 148.12ms. Allocated memory is still 113.2MB. Free memory was 42.1MB in the beginning and 71.8MB in the end (delta: -29.7MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-11-20 20:52:28,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 831.97ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 34.6MB in the beginning and 44.0MB in the end (delta: -9.4MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.54ms. Allocated memory is still 77.6MB. Free memory was 43.9MB in the beginning and 35.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 142.35ms. Allocated memory is still 77.6MB. Free memory was 35.0MB in the beginning and 44.5MB in the end (delta: -9.5MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2274.87ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 44.5MB in the beginning and 66.9MB in the end (delta: -22.4MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1334.48ms. Allocated memory is still 113.2MB. Free memory was 66.2MB in the beginning and 42.1MB in the end (delta: 24.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Witness Printer took 148.12ms. Allocated memory is still 113.2MB. Free memory was 42.1MB in the beginning and 71.8MB in the end (delta: -29.7MB). Peak memory consumption was 3.2MB. 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: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L34] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 32); [L35] const SORT_21 msb_SORT_21 = (SORT_21)1 << (32 - 1); [L37] const SORT_88 mask_SORT_88 = (SORT_88)-1 >> (sizeof(SORT_88) * 8 - 3); [L38] const SORT_88 msb_SORT_88 = (SORT_88)1 << (3 - 1); [L40] const SORT_115 mask_SORT_115 = (SORT_115)-1 >> (sizeof(SORT_115) * 8 - 2); [L41] const SORT_115 msb_SORT_115 = (SORT_115)1 << (2 - 1); [L43] const SORT_222 mask_SORT_222 = (SORT_222)-1 >> (sizeof(SORT_222) * 8 - 4); [L44] const SORT_222 msb_SORT_222 = (SORT_222)1 << (4 - 1); [L46] const SORT_3 var_7 = 0; [L47] const SORT_1 var_12 = 1; [L48] const SORT_1 var_19 = 0; [L49] const SORT_21 var_23 = 12; [L50] const SORT_21 var_29 = 15; [L51] const SORT_21 var_36 = 8; [L52] const SORT_21 var_42 = 11; [L53] const SORT_21 var_50 = 4; [L54] const SORT_21 var_56 = 7; [L55] const SORT_5 var_83 = 0; [L56] const SORT_88 var_89 = 0; [L57] const SORT_88 var_93 = 2; [L58] const SORT_88 var_97 = 1; [L59] const SORT_88 var_102 = 4; [L60] const SORT_88 var_104 = 5; [L61] const SORT_88 var_108 = 3; [L62] const SORT_21 var_118 = 0; [L63] const SORT_3 var_125 = 31; [L64] const SORT_88 var_313 = 7; [L65] const SORT_88 var_318 = 6; [L66] const SORT_3 var_378 = 2; [L68] SORT_1 input_2; [L69] SORT_3 input_4; [L70] SORT_5 input_6; [L71] SORT_3 input_112; [L72] SORT_3 input_113; [L73] SORT_3 input_114; [L74] SORT_3 input_124; [L75] SORT_3 input_134; [L76] SORT_3 input_135; [L77] SORT_3 input_136; [L78] SORT_3 input_139; [L79] SORT_3 input_158; [L80] SORT_3 input_159; [L81] SORT_3 input_160; [L82] SORT_3 input_163; [L83] SORT_3 input_165; [L84] SORT_115 input_179; [L85] SORT_115 input_180; [L86] SORT_115 input_181; [L88] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] SORT_3 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] SORT_3 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] SORT_3 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] SORT_3 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L96] SORT_3 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] SORT_5 state_84 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L99] SORT_3 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L100] SORT_88 state_90 = __VERIFIER_nondet_uchar() & mask_SORT_88; [L102] SORT_3 init_9_arg_1 = var_7; [L103] state_8 = init_9_arg_1 [L104] SORT_3 init_11_arg_1 = var_7; [L105] state_10 = init_11_arg_1 [L106] SORT_3 init_15_arg_1 = var_7; [L107] state_14 = init_15_arg_1 [L108] SORT_3 init_17_arg_1 = var_7; [L109] state_16 = init_17_arg_1 [L110] SORT_3 init_61_arg_1 = var_7; [L111] state_60 = init_61_arg_1 [L112] SORT_3 init_65_arg_1 = var_7; [L113] state_64 = init_65_arg_1 [L114] SORT_3 init_69_arg_1 = var_7; [L115] state_68 = init_69_arg_1 [L116] SORT_3 init_78_arg_1 = var_7; [L117] state_77 = init_78_arg_1 [L118] SORT_3 init_80_arg_1 = var_7; [L119] state_79 = init_80_arg_1 [L120] SORT_1 init_82_arg_1 = var_19; [L121] state_81 = init_82_arg_1 [L122] SORT_5 init_85_arg_1 = var_83; [L123] state_84 = init_85_arg_1 [L124] SORT_3 init_87_arg_1 = var_7; [L125] state_86 = init_87_arg_1 [L126] SORT_88 init_91_arg_1 = var_89; [L127] state_90 = init_91_arg_1 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_61_arg_1=0, init_65_arg_1=0, init_69_arg_1=0, init_78_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_115=3, mask_SORT_21=4294967295, mask_SORT_222=15, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_88=7, msb_SORT_1=1, msb_SORT_115=2, msb_SORT_21=2147483648, msb_SORT_222=8, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_88=4, state_10=0, state_14=0, state_16=0, state_60=0, state_64=0, state_68=0, state_77=0, state_79=0, state_8=0, state_81=0, state_84=0, state_86=0, state_90=0, var_102=4, var_104=5, var_108=3, var_118=0, var_12=1, var_125=31, var_19=0, var_23=12, var_29=15, var_313=7, var_318=6, var_36=8, var_378=2, var_42=11, var_50=4, var_56=7, var_7=0, var_83=0, var_89=0, var_93=2, var_97=1] [L130] input_2 = __VERIFIER_nondet_uchar() [L131] input_4 = __VERIFIER_nondet_uchar() [L132] input_6 = __VERIFIER_nondet_ushort() [L133] input_112 = __VERIFIER_nondet_uchar() [L134] input_113 = __VERIFIER_nondet_uchar() [L135] input_114 = __VERIFIER_nondet_uchar() [L136] input_124 = __VERIFIER_nondet_uchar() [L137] input_134 = __VERIFIER_nondet_uchar() [L138] input_135 = __VERIFIER_nondet_uchar() [L139] input_136 = __VERIFIER_nondet_uchar() [L140] input_139 = __VERIFIER_nondet_uchar() [L141] input_158 = __VERIFIER_nondet_uchar() [L142] input_159 = __VERIFIER_nondet_uchar() [L143] input_160 = __VERIFIER_nondet_uchar() [L144] input_163 = __VERIFIER_nondet_uchar() [L145] input_165 = __VERIFIER_nondet_uchar() [L146] input_179 = __VERIFIER_nondet_uchar() [L147] input_180 = __VERIFIER_nondet_uchar() [L148] input_181 = __VERIFIER_nondet_uchar() [L151] SORT_1 var_18_arg_0 = var_12; [L152] SORT_3 var_18_arg_1 = state_16; [L153] SORT_3 var_18_arg_2 = state_14; [L154] SORT_3 var_18 = var_18_arg_0 ? var_18_arg_1 : var_18_arg_2; [L155] SORT_1 var_13_arg_0 = var_12; [L156] SORT_3 var_13_arg_1 = state_10; [L157] SORT_3 var_13_arg_2 = state_8; [L158] SORT_3 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L159] SORT_1 var_20_arg_0 = var_19; [L160] SORT_3 var_20_arg_1 = var_18; [L161] SORT_3 var_20_arg_2 = var_13; [L162] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L163] SORT_3 var_22_arg_0 = var_20; [L164] var_22_arg_0 = var_22_arg_0 & mask_SORT_3 [L165] SORT_21 var_22 = var_22_arg_0; [L166] SORT_21 var_24_arg_0 = var_22; [L167] SORT_21 var_24_arg_1 = var_23; [L168] SORT_1 var_24 = var_24_arg_0 >= var_24_arg_1; [L169] SORT_1 var_26_arg_0 = var_12; [L170] SORT_3 var_26_arg_1 = state_16; [L171] SORT_3 var_26_arg_2 = state_14; [L172] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L173] SORT_1 var_25_arg_0 = var_12; [L174] SORT_3 var_25_arg_1 = state_10; [L175] SORT_3 var_25_arg_2 = state_8; [L176] SORT_3 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L177] SORT_1 var_27_arg_0 = var_19; [L178] SORT_3 var_27_arg_1 = var_26; [L179] SORT_3 var_27_arg_2 = var_25; [L180] SORT_3 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L181] SORT_3 var_28_arg_0 = var_27; [L182] var_28_arg_0 = var_28_arg_0 & mask_SORT_3 [L183] SORT_21 var_28 = var_28_arg_0; [L184] SORT_21 var_30_arg_0 = var_28; [L185] SORT_21 var_30_arg_1 = var_29; [L186] SORT_1 var_30 = var_30_arg_0 <= var_30_arg_1; [L187] SORT_1 var_31_arg_0 = var_24; [L188] SORT_1 var_31_arg_1 = var_30; [L189] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L190] SORT_1 var_33_arg_0 = var_19; [L191] SORT_3 var_33_arg_1 = state_16; [L192] SORT_3 var_33_arg_2 = state_14; [L193] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L194] SORT_1 var_32_arg_0 = var_19; [L195] SORT_3 var_32_arg_1 = state_10; [L196] SORT_3 var_32_arg_2 = state_8; [L197] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L198] SORT_1 var_34_arg_0 = var_12; [L199] SORT_3 var_34_arg_1 = var_33; [L200] SORT_3 var_34_arg_2 = var_32; [L201] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L202] SORT_3 var_35_arg_0 = var_34; [L203] var_35_arg_0 = var_35_arg_0 & mask_SORT_3 [L204] SORT_21 var_35 = var_35_arg_0; [L205] SORT_21 var_37_arg_0 = var_35; [L206] SORT_21 var_37_arg_1 = var_36; [L207] SORT_1 var_37 = var_37_arg_0 >= var_37_arg_1; [L208] SORT_1 var_39_arg_0 = var_19; [L209] SORT_3 var_39_arg_1 = state_16; [L210] SORT_3 var_39_arg_2 = state_14; [L211] SORT_3 var_39 = var_39_arg_0 ? var_39_arg_1 : var_39_arg_2; [L212] SORT_1 var_38_arg_0 = var_19; [L213] SORT_3 var_38_arg_1 = state_10; [L214] SORT_3 var_38_arg_2 = state_8; [L215] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L216] SORT_1 var_40_arg_0 = var_12; [L217] SORT_3 var_40_arg_1 = var_39; [L218] SORT_3 var_40_arg_2 = var_38; [L219] SORT_3 var_40 = var_40_arg_0 ? var_40_arg_1 : var_40_arg_2; [L220] SORT_3 var_41_arg_0 = var_40; [L221] var_41_arg_0 = var_41_arg_0 & mask_SORT_3 [L222] SORT_21 var_41 = var_41_arg_0; [L223] SORT_21 var_43_arg_0 = var_41; [L224] SORT_21 var_43_arg_1 = var_42; [L225] SORT_1 var_43 = var_43_arg_0 <= var_43_arg_1; [L226] SORT_1 var_44_arg_0 = var_37; [L227] SORT_1 var_44_arg_1 = var_43; [L228] SORT_1 var_44 = var_44_arg_0 & var_44_arg_1; [L229] SORT_1 var_45_arg_0 = var_31; [L230] SORT_1 var_45_arg_1 = var_44; [L231] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L232] SORT_1 var_47_arg_0 = var_12; [L233] SORT_3 var_47_arg_1 = state_16; [L234] SORT_3 var_47_arg_2 = state_14; [L235] SORT_3 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L236] SORT_1 var_46_arg_0 = var_12; [L237] SORT_3 var_46_arg_1 = state_10; [L238] SORT_3 var_46_arg_2 = state_8; [L239] SORT_3 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L240] SORT_1 var_48_arg_0 = var_12; [L241] SORT_3 var_48_arg_1 = var_47; [L242] SORT_3 var_48_arg_2 = var_46; [L243] SORT_3 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L244] SORT_3 var_49_arg_0 = var_48; [L245] var_49_arg_0 = var_49_arg_0 & mask_SORT_3 [L246] SORT_21 var_49 = var_49_arg_0; [L247] SORT_21 var_51_arg_0 = var_49; [L248] SORT_21 var_51_arg_1 = var_50; [L249] SORT_1 var_51 = var_51_arg_0 >= var_51_arg_1; [L250] SORT_1 var_53_arg_0 = var_12; [L251] SORT_3 var_53_arg_1 = state_16; [L252] SORT_3 var_53_arg_2 = state_14; [L253] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L254] SORT_1 var_52_arg_0 = var_12; [L255] SORT_3 var_52_arg_1 = state_10; [L256] SORT_3 var_52_arg_2 = state_8; [L257] SORT_3 var_52 = var_52_arg_0 ? var_52_arg_1 : var_52_arg_2; [L258] SORT_1 var_54_arg_0 = var_12; [L259] SORT_3 var_54_arg_1 = var_53; [L260] SORT_3 var_54_arg_2 = var_52; [L261] SORT_3 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L262] SORT_3 var_55_arg_0 = var_54; [L263] var_55_arg_0 = var_55_arg_0 & mask_SORT_3 [L264] SORT_21 var_55 = var_55_arg_0; [L265] SORT_21 var_57_arg_0 = var_55; [L266] SORT_21 var_57_arg_1 = var_56; [L267] SORT_1 var_57 = var_57_arg_0 <= var_57_arg_1; [L268] SORT_1 var_58_arg_0 = var_51; [L269] SORT_1 var_58_arg_1 = var_57; [L270] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L271] SORT_1 var_59_arg_0 = var_45; [L272] SORT_1 var_59_arg_1 = var_58; [L273] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L274] SORT_3 var_62_arg_0 = state_60; [L275] SORT_3 var_62_arg_1 = var_7; [L276] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L277] SORT_1 var_63_arg_0 = var_59; [L278] SORT_1 var_63_arg_1 = var_62; [L279] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L280] SORT_3 var_66_arg_0 = state_64; [L281] SORT_3 var_66_arg_1 = var_7; [L282] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L283] SORT_1 var_67_arg_0 = var_63; [L284] SORT_1 var_67_arg_1 = var_66; [L285] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L286] SORT_3 var_70_arg_0 = state_68; [L287] SORT_3 var_70_arg_1 = var_7; [L288] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L289] SORT_1 var_71_arg_0 = var_67; [L290] SORT_1 var_71_arg_1 = var_70; [L291] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L292] SORT_1 var_74_arg_0 = var_71; [L293] SORT_1 var_74 = ~var_74_arg_0; [L294] SORT_1 var_75_arg_0 = var_12; [L295] SORT_1 var_75_arg_1 = var_74; [L296] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L297] var_75 = var_75 & mask_SORT_1 [L298] SORT_1 bad_76_arg_0 = var_75; [L299] CALL __VERIFIER_assert(!(bad_76_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-20 20:52:28,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcec5a6-0f08-42b9-8c14-1e56e23ae9fd/bin/utaipan-6cKwYrpEi9/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