./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS --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 209646e697ab13b66434de9e27dca02fb33e1e558b7539d3cf6ce258839294db --- 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-8393723 [2022-11-19 07:50:24,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:50:24,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:50:24,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:50:24,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:50:24,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:50:24,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:50:24,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:50:24,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:50:24,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:50:24,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:50:24,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:50:24,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:50:24,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:50:24,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:50:24,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:50:24,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:50:24,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:50:24,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:50:24,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:50:24,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:50:24,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:50:24,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:50:24,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:50:24,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:50:24,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:50:24,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:50:24,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:50:24,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:50:24,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:50:24,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:50:24,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:50:24,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:50:24,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:50:24,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:50:24,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:50:24,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:50:24,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:50:24,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:50:24,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:50:24,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:50:24,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:50:24,710 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:50:24,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:50:24,711 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:50:24,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:50:24,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:50:24,713 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:50:24,713 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:50:24,713 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:50:24,714 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:50:24,714 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:50:24,715 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:50:24,715 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:50:24,716 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:50:24,716 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:50:24,716 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:50:24,716 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:50:24,716 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:50:24,717 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:50:24,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:50:24,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:50:24,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:50:24,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:50:24,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:50:24,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:50:24,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:50:24,719 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:50:24,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:50:24,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:50:24,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:50:24,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:50:24,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:50:24,721 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:50:24,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:50:24,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:50:24,722 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:50:24,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:50:24,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:50:24,722 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:50:24,722 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_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 209646e697ab13b66434de9e27dca02fb33e1e558b7539d3cf6ce258839294db [2022-11-19 07:50:24,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:50:24,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:50:24,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:50:24,997 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:50:24,997 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:50:24,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c [2022-11-19 07:50:25,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/data/4a26067fe/42979e43d82e4eb692ee6990a443a9c2/FLAGbacc24f0c [2022-11-19 07:50:25,616 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:50:25,616 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c [2022-11-19 07:50:25,624 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/data/4a26067fe/42979e43d82e4eb692ee6990a443a9c2/FLAGbacc24f0c [2022-11-19 07:50:25,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/data/4a26067fe/42979e43d82e4eb692ee6990a443a9c2 [2022-11-19 07:50:25,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:50:25,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:50:25,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:50:25,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:50:25,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:50:25,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:25" (1/1) ... [2022-11-19 07:50:25,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2358bf72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:25, skipping insertion in model container [2022-11-19 07:50:25,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:25" (1/1) ... [2022-11-19 07:50:25,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:50:26,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:50:26,205 WARN L234 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_74bff45b-1a5f-4846-9fb1-34fe60beba7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c[1107,1120] [2022-11-19 07:50:26,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:50:26,326 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:50:26,349 WARN L234 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_74bff45b-1a5f-4846-9fb1-34fe60beba7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c[1107,1120] [2022-11-19 07:50:26,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:50:26,421 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:50:26,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:26 WrapperNode [2022-11-19 07:50:26,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:50:26,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:50:26,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:50:26,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:50:26,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:26" (1/1) ... [2022-11-19 07:50:26,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:26" (1/1) ... [2022-11-19 07:50:26,497 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 581 [2022-11-19 07:50:26,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:50:26,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:50:26,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:50:26,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:50:26,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:26" (1/1) ... [2022-11-19 07:50:26,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:26" (1/1) ... [2022-11-19 07:50:26,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:26" (1/1) ... [2022-11-19 07:50:26,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:26" (1/1) ... [2022-11-19 07:50:26,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:26" (1/1) ... [2022-11-19 07:50:26,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:26" (1/1) ... [2022-11-19 07:50:26,546 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:26" (1/1) ... [2022-11-19 07:50:26,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:26" (1/1) ... [2022-11-19 07:50:26,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:50:26,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:50:26,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:50:26,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:50:26,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:26" (1/1) ... [2022-11-19 07:50:26,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:50:26,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:50:26,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:50:26,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:50:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:50:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:50:26,812 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:50:26,814 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:50:27,539 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:50:28,186 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:50:28,187 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:50:28,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:28 BoogieIcfgContainer [2022-11-19 07:50:28,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:50:28,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:50:28,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:50:28,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:50:28,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:25" (1/3) ... [2022-11-19 07:50:28,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0a47fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:28, skipping insertion in model container [2022-11-19 07:50:28,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:26" (2/3) ... [2022-11-19 07:50:28,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0a47fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:28, skipping insertion in model container [2022-11-19 07:50:28,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:28" (3/3) ... [2022-11-19 07:50:28,215 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_fru32_p3.c [2022-11-19 07:50:28,236 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:50:28,236 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:50:28,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:50:28,314 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;@3f623f23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:50:28,314 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:50:28,319 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) [2022-11-19 07:50:28,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:50:28,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:50:28,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:50:28,329 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:50:28,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:50:28,336 INFO L85 PathProgramCache]: Analyzing trace with hash 10455129, now seen corresponding path program 1 times [2022-11-19 07:50:28,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:50:28,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933326859] [2022-11-19 07:50:28,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:50:28,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:50:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:50:29,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:50:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:50:30,769 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:50:30,772 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:50:30,773 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:50:30,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:50:30,780 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 07:50:30,783 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:50:30,837 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 07:50:30,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:50:30 BoogieIcfgContainer [2022-11-19 07:50:30,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:50:30,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:50:30,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:50:30,855 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:50:30,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:28" (3/4) ... [2022-11-19 07:50:30,858 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 07:50:30,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:50:30,863 INFO L158 Benchmark]: Toolchain (without parser) took 4907.55ms. Allocated memory was 98.6MB in the beginning and 151.0MB in the end (delta: 52.4MB). Free memory was 64.7MB in the beginning and 56.5MB in the end (delta: 8.2MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2022-11-19 07:50:30,863 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory was 71.0MB in the beginning and 71.0MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:50:30,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.17ms. Allocated memory is still 98.6MB. Free memory was 64.5MB in the beginning and 66.0MB in the end (delta: -1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:50:30,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.09ms. Allocated memory is still 98.6MB. Free memory was 66.0MB in the beginning and 60.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 07:50:30,871 INFO L158 Benchmark]: Boogie Preprocessor took 63.79ms. Allocated memory is still 98.6MB. Free memory was 60.7MB in the beginning and 57.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:50:30,872 INFO L158 Benchmark]: RCFGBuilder took 1628.54ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 57.6MB in the beginning and 46.1MB in the end (delta: 11.5MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2022-11-19 07:50:30,873 INFO L158 Benchmark]: TraceAbstraction took 2646.27ms. Allocated memory is still 151.0MB. Free memory was 119.0MB in the beginning and 56.5MB in the end (delta: 62.5MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2022-11-19 07:50:30,874 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 151.0MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:50:30,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory was 71.0MB in the beginning and 71.0MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.17ms. Allocated memory is still 98.6MB. Free memory was 64.5MB in the beginning and 66.0MB in the end (delta: -1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.09ms. Allocated memory is still 98.6MB. Free memory was 66.0MB in the beginning and 60.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.79ms. Allocated memory is still 98.6MB. Free memory was 60.7MB in the beginning and 57.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1628.54ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 57.6MB in the beginning and 46.1MB in the end (delta: 11.5MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2646.27ms. Allocated memory is still 151.0MB. Free memory was 119.0MB in the beginning and 56.5MB in the end (delta: 62.5MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 151.0MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 292, overapproximation of bitwiseComplement at line 280, overapproximation of bitwiseAnd at line 132. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 6); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (6 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 32); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (32 - 1); [L34] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 2); [L35] const SORT_21 msb_SORT_21 = (SORT_21)1 << (2 - 1); [L37] const SORT_43 mask_SORT_43 = (SORT_43)-1 >> (sizeof(SORT_43) * 8 - 5); [L38] const SORT_43 msb_SORT_43 = (SORT_43)1 << (5 - 1); [L40] const SORT_21 var_22 = 0; [L41] const SORT_21 var_23 = 1; [L42] const SORT_1 var_24 = 0; [L43] const SORT_3 var_28 = 1; [L44] const SORT_3 var_34 = 0; [L45] const SORT_43 var_45 = 31; [L46] const SORT_21 var_49 = 2; [L47] const SORT_21 var_66 = 3; [L48] const SORT_6 var_89 = 0; [L50] SORT_1 input_2; [L51] SORT_3 input_4; [L52] SORT_1 input_5; [L53] SORT_6 input_7; [L54] SORT_3 input_8; [L55] SORT_6 input_9; [L56] SORT_1 input_10; [L57] SORT_1 input_11; [L58] SORT_1 input_12; [L59] SORT_3 input_13; [L60] SORT_3 input_14; [L61] SORT_3 input_15; [L62] SORT_3 input_16; [L63] SORT_3 input_17; [L64] SORT_3 input_18; [L65] SORT_3 input_19; [L66] SORT_3 input_20; [L67] SORT_3 input_119; [L68] SORT_3 input_123; [L69] SORT_1 input_125; [L70] SORT_3 input_127; [L71] SORT_21 input_130; [L72] SORT_3 input_132; [L73] SORT_6 input_135; [L74] SORT_3 input_137; [L76] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] SORT_3 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L79] SORT_3 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L80] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L82] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L83] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] SORT_3 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] SORT_3 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] SORT_3 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] SORT_6 state_90 = __VERIFIER_nondet_uint() & mask_SORT_6; [L88] SORT_6 state_92 = __VERIFIER_nondet_uint() & mask_SORT_6; [L89] SORT_6 state_96 = __VERIFIER_nondet_uint() & mask_SORT_6; [L90] SORT_1 state_115 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] SORT_3 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] SORT_3 state_121 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] SORT_1 init_26_arg_1 = var_24; [L95] state_25 = init_26_arg_1 [L96] SORT_1 init_31_arg_1 = var_24; [L97] state_30 = init_31_arg_1 [L98] SORT_3 init_36_arg_1 = var_34; [L99] state_35 = init_36_arg_1 [L100] SORT_3 init_40_arg_1 = var_34; [L101] state_39 = init_40_arg_1 [L102] SORT_1 init_52_arg_1 = var_24; [L103] state_51 = init_52_arg_1 [L104] SORT_3 init_56_arg_1 = var_34; [L105] state_55 = init_56_arg_1 [L106] SORT_3 init_60_arg_1 = var_34; [L107] state_59 = init_60_arg_1 [L108] SORT_1 init_69_arg_1 = var_24; [L109] state_68 = init_69_arg_1 [L110] SORT_3 init_73_arg_1 = var_34; [L111] state_72 = init_73_arg_1 [L112] SORT_3 init_77_arg_1 = var_34; [L113] state_76 = init_77_arg_1 [L114] SORT_3 init_81_arg_1 = var_34; [L115] state_80 = init_81_arg_1 [L116] SORT_6 init_91_arg_1 = var_89; [L117] state_90 = init_91_arg_1 [L118] SORT_6 init_93_arg_1 = var_89; [L119] state_92 = init_93_arg_1 [L120] SORT_6 init_97_arg_1 = var_89; [L121] state_96 = init_97_arg_1 [L122] SORT_1 init_116_arg_1 = var_24; [L123] state_115 = init_116_arg_1 [L124] SORT_3 init_118_arg_1 = var_34; [L125] state_117 = init_118_arg_1 [L126] SORT_3 init_122_arg_1 = var_34; [L127] state_121 = init_122_arg_1 VAL [init_116_arg_1=0, init_118_arg_1=0, init_122_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_52_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_69_arg_1=0, init_73_arg_1=0, init_77_arg_1=0, init_81_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_97_arg_1=0, mask_SORT_1=63, mask_SORT_21=3, mask_SORT_3=1, mask_SORT_43=31, mask_SORT_6=4294967295, msb_SORT_1=32, msb_SORT_21=2, msb_SORT_3=1, msb_SORT_43=16, msb_SORT_6=2147483648, state_115=0, state_117=0, state_121=0, state_25=0, state_30=0, state_35=0, state_39=0, state_51=0, state_55=0, state_59=0, state_68=0, state_72=0, state_76=0, state_80=0, state_90=0, state_92=0, state_96=0, var_22=0, var_23=1, var_24=0, var_28=1, var_34=0, var_45=31, var_49=2, var_66=3, var_89=0] [L130] input_2 = __VERIFIER_nondet_uchar() [L131] input_4 = __VERIFIER_nondet_uchar() [L132] input_4 = input_4 & mask_SORT_3 [L133] input_5 = __VERIFIER_nondet_uchar() [L134] input_5 = input_5 & mask_SORT_1 [L135] input_7 = __VERIFIER_nondet_uint() [L136] input_8 = __VERIFIER_nondet_uchar() [L137] input_8 = input_8 & mask_SORT_3 [L138] input_9 = __VERIFIER_nondet_uint() [L139] input_10 = __VERIFIER_nondet_uchar() [L140] input_10 = input_10 & mask_SORT_1 [L141] input_11 = __VERIFIER_nondet_uchar() [L142] input_11 = input_11 & mask_SORT_1 [L143] input_12 = __VERIFIER_nondet_uchar() [L144] input_13 = __VERIFIER_nondet_uchar() [L145] input_14 = __VERIFIER_nondet_uchar() [L146] input_14 = input_14 & mask_SORT_3 [L147] input_15 = __VERIFIER_nondet_uchar() [L148] input_16 = __VERIFIER_nondet_uchar() [L149] input_16 = input_16 & mask_SORT_3 [L150] input_17 = __VERIFIER_nondet_uchar() [L151] input_17 = input_17 & mask_SORT_3 [L152] input_18 = __VERIFIER_nondet_uchar() [L153] input_18 = input_18 & mask_SORT_3 [L154] input_19 = __VERIFIER_nondet_uchar() [L155] input_19 = input_19 & mask_SORT_3 [L156] input_20 = __VERIFIER_nondet_uchar() [L157] input_119 = __VERIFIER_nondet_uchar() [L158] input_123 = __VERIFIER_nondet_uchar() [L159] input_125 = __VERIFIER_nondet_uchar() [L160] input_127 = __VERIFIER_nondet_uchar() [L161] input_130 = __VERIFIER_nondet_uchar() [L162] input_132 = __VERIFIER_nondet_uchar() [L163] input_135 = __VERIFIER_nondet_uint() [L164] input_137 = __VERIFIER_nondet_uchar() [L167] SORT_1 var_27_arg_0 = state_25; [L168] SORT_3 var_27 = var_27_arg_0 >> 5; [L169] var_27 = var_27 & mask_SORT_3 [L170] SORT_3 var_67_arg_0 = var_27; [L171] SORT_3 var_67_arg_1 = var_28; [L172] SORT_3 var_67 = var_67_arg_0 == var_67_arg_1; [L173] SORT_1 var_70_arg_0 = state_25; [L174] SORT_1 var_70_arg_1 = state_68; [L175] SORT_3 var_70 = var_70_arg_0 == var_70_arg_1; [L176] SORT_3 var_71_arg_0 = var_67; [L177] SORT_3 var_71_arg_1 = var_70; [L178] SORT_3 var_71 = var_71_arg_0 & var_71_arg_1; [L179] SORT_3 var_74_arg_0 = state_72; [L180] SORT_3 var_74_arg_1 = var_28; [L181] SORT_3 var_74 = var_74_arg_0 != var_74_arg_1; [L182] SORT_3 var_75_arg_0 = var_71; [L183] SORT_3 var_75_arg_1 = var_74; [L184] SORT_3 var_75 = var_75_arg_0 & var_75_arg_1; [L185] SORT_3 var_78_arg_0 = state_76; [L186] SORT_3 var_78_arg_1 = var_28; [L187] SORT_3 var_78 = var_78_arg_0 == var_78_arg_1; [L188] SORT_3 var_79_arg_0 = var_75; [L189] SORT_3 var_79_arg_1 = var_78; [L190] SORT_3 var_79 = var_79_arg_0 & var_79_arg_1; [L191] SORT_3 var_82_arg_0 = state_80; [L192] SORT_3 var_82_arg_1 = var_28; [L193] SORT_3 var_82 = var_82_arg_0 == var_82_arg_1; [L194] SORT_3 var_83_arg_0 = var_79; [L195] SORT_3 var_83_arg_1 = var_82; [L196] SORT_3 var_83 = var_83_arg_0 & var_83_arg_1; [L197] SORT_1 var_44_arg_0 = state_25; [L198] SORT_43 var_44 = var_44_arg_0 >> 0; [L199] var_44 = var_44 & mask_SORT_43 [L200] SORT_43 var_84_arg_0 = var_44; [L201] SORT_43 var_84_arg_1 = var_45; [L202] SORT_3 var_84 = var_84_arg_0 != var_84_arg_1; [L203] SORT_3 var_85_arg_0 = var_83; [L204] SORT_3 var_85_arg_1 = var_84; [L205] SORT_3 var_85 = var_85_arg_0 & var_85_arg_1; [L206] var_85 = var_85 & mask_SORT_3 [L207] SORT_3 var_50_arg_0 = var_27; [L208] SORT_3 var_50_arg_1 = var_28; [L209] SORT_3 var_50 = var_50_arg_0 == var_50_arg_1; [L210] SORT_1 var_53_arg_0 = state_25; [L211] SORT_1 var_53_arg_1 = state_51; [L212] SORT_3 var_53 = var_53_arg_0 == var_53_arg_1; [L213] SORT_3 var_54_arg_0 = var_50; [L214] SORT_3 var_54_arg_1 = var_53; [L215] SORT_3 var_54 = var_54_arg_0 & var_54_arg_1; [L216] SORT_3 var_57_arg_0 = state_55; [L217] SORT_3 var_57_arg_1 = var_28; [L218] SORT_3 var_57 = var_57_arg_0 == var_57_arg_1; [L219] SORT_3 var_58_arg_0 = var_54; [L220] SORT_3 var_58_arg_1 = var_57; [L221] SORT_3 var_58 = var_58_arg_0 & var_58_arg_1; [L222] SORT_3 var_61_arg_0 = state_59; [L223] SORT_3 var_61_arg_1 = var_28; [L224] SORT_3 var_61 = var_61_arg_0 == var_61_arg_1; [L225] SORT_3 var_62_arg_0 = var_58; [L226] SORT_3 var_62_arg_1 = var_61; [L227] SORT_3 var_62 = var_62_arg_0 & var_62_arg_1; [L228] SORT_43 var_63_arg_0 = var_44; [L229] SORT_43 var_63_arg_1 = var_45; [L230] SORT_3 var_63 = var_63_arg_0 != var_63_arg_1; [L231] SORT_3 var_64_arg_0 = var_62; [L232] SORT_3 var_64_arg_1 = var_63; [L233] SORT_3 var_64 = var_64_arg_0 & var_64_arg_1; [L234] var_64 = var_64 & mask_SORT_3 [L235] SORT_3 var_29_arg_0 = var_27; [L236] SORT_3 var_29_arg_1 = var_28; [L237] SORT_3 var_29 = var_29_arg_0 == var_29_arg_1; [L238] SORT_1 var_32_arg_0 = state_25; [L239] SORT_1 var_32_arg_1 = state_30; [L240] SORT_3 var_32 = var_32_arg_0 == var_32_arg_1; [L241] SORT_3 var_33_arg_0 = var_29; [L242] SORT_3 var_33_arg_1 = var_32; [L243] SORT_3 var_33 = var_33_arg_0 & var_33_arg_1; [L244] SORT_3 var_37_arg_0 = state_35; [L245] SORT_3 var_37_arg_1 = var_28; [L246] SORT_3 var_37 = var_37_arg_0 == var_37_arg_1; [L247] SORT_3 var_38_arg_0 = var_33; [L248] SORT_3 var_38_arg_1 = var_37; [L249] SORT_3 var_38 = var_38_arg_0 & var_38_arg_1; [L250] SORT_3 var_41_arg_0 = state_39; [L251] SORT_3 var_41_arg_1 = var_28; [L252] SORT_3 var_41 = var_41_arg_0 == var_41_arg_1; [L253] SORT_3 var_42_arg_0 = var_38; [L254] SORT_3 var_42_arg_1 = var_41; [L255] SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; [L256] SORT_43 var_46_arg_0 = var_44; [L257] SORT_43 var_46_arg_1 = var_45; [L258] SORT_3 var_46 = var_46_arg_0 != var_46_arg_1; [L259] SORT_3 var_47_arg_0 = var_42; [L260] SORT_3 var_47_arg_1 = var_46; [L261] SORT_3 var_47 = var_47_arg_0 & var_47_arg_1; [L262] var_47 = var_47 & mask_SORT_3 [L263] SORT_3 var_48_arg_0 = var_47; [L264] SORT_21 var_48_arg_1 = var_23; [L265] SORT_21 var_48_arg_2 = var_22; [L266] SORT_21 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L267] SORT_3 var_65_arg_0 = var_64; [L268] SORT_21 var_65_arg_1 = var_49; [L269] SORT_21 var_65_arg_2 = var_48; [L270] SORT_21 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L271] SORT_3 var_86_arg_0 = var_85; [L272] SORT_21 var_86_arg_1 = var_66; [L273] SORT_21 var_86_arg_2 = var_65; [L274] SORT_21 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L275] var_86 = var_86 & mask_SORT_21 [L276] SORT_21 var_87_arg_0 = var_86; [L277] SORT_21 var_87_arg_1 = var_49; [L278] SORT_3 var_87 = var_87_arg_0 == var_87_arg_1; [L279] SORT_3 var_88_arg_0 = var_87; [L280] SORT_3 var_88 = ~var_88_arg_0; [L281] SORT_43 var_103_arg_0 = var_44; [L282] SORT_43 var_103_arg_1 = var_45; [L283] SORT_3 var_103 = var_103_arg_0 == var_103_arg_1; [L284] SORT_21 var_100_arg_0 = var_86; [L285] SORT_21 var_100_arg_1 = var_23; [L286] SORT_3 var_100 = var_100_arg_0 == var_100_arg_1; [L287] SORT_21 var_98_arg_0 = var_86; [L288] SORT_21 var_98_arg_1 = var_22; [L289] SORT_3 var_98 = var_98_arg_0 == var_98_arg_1; [L290] SORT_3 var_101_arg_0 = var_100; [L291] SORT_3 var_101_arg_1 = var_98; [L292] SORT_3 var_101 = var_101_arg_0 | var_101_arg_1; [L293] var_101 = var_101 & mask_SORT_3 [L294] SORT_3 var_99_arg_0 = var_98; [L295] SORT_6 var_99_arg_1 = var_89; [L296] SORT_6 var_99_arg_2 = state_96; [L297] SORT_6 var_99 = var_99_arg_0 ? var_99_arg_1 : var_99_arg_2; [L298] SORT_21 var_94_arg_0 = var_86; [L299] SORT_21 var_94_arg_1 = var_49; [L300] SORT_3 var_94 = var_94_arg_0 == var_94_arg_1; [L301] SORT_3 var_95_arg_0 = var_94; [L302] SORT_6 var_95_arg_1 = state_92; [L303] SORT_6 var_95_arg_2 = state_90; [L304] SORT_6 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L305] SORT_3 var_102_arg_0 = var_101; [L306] SORT_6 var_102_arg_1 = var_99; [L307] SORT_6 var_102_arg_2 = var_95; [L308] SORT_6 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L309] SORT_3 var_104_arg_0 = var_103; [L310] SORT_6 var_104_arg_1 = var_89; [L311] SORT_6 var_104_arg_2 = var_102; [L312] SORT_6 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L313] SORT_6 var_105_arg_0 = var_104; [L314] SORT_1 var_105 = var_105_arg_0 >> 26; [L315] var_105 = var_105 & mask_SORT_1 [L316] SORT_6 var_106_arg_0 = state_90; [L317] SORT_1 var_106 = var_106_arg_0 >> 26; [L318] var_106 = var_106 & mask_SORT_1 [L319] SORT_1 var_107_arg_0 = var_105; [L320] SORT_1 var_107_arg_1 = var_106; [L321] SORT_3 var_107 = var_107_arg_0 == var_107_arg_1; [L322] SORT_3 var_108_arg_0 = var_88; [L323] SORT_3 var_108_arg_1 = var_107; [L324] SORT_3 var_108 = var_108_arg_0 | var_108_arg_1; [L325] SORT_3 var_109_arg_0 = var_108; [L326] SORT_3 var_109 = ~var_109_arg_0; [L327] SORT_3 var_112_arg_0 = var_109; [L328] SORT_3 var_112 = ~var_112_arg_0; [L329] SORT_3 var_113_arg_0 = var_28; [L330] SORT_3 var_113_arg_1 = var_112; [L331] SORT_3 var_113 = var_113_arg_0 & var_113_arg_1; [L332] var_113 = var_113 & mask_SORT_3 [L333] SORT_3 bad_114_arg_0 = var_113; [L334] CALL __VERIFIER_assert(!(bad_114_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: 2.5s, 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, 1.4s 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 [2022-11-19 07:50:30,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS --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 209646e697ab13b66434de9e27dca02fb33e1e558b7539d3cf6ce258839294db --- 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-8393723 [2022-11-19 07:50:33,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:50:33,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:50:33,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:50:33,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:50:33,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:50:33,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:50:33,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:50:33,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:50:33,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:50:33,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:50:33,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:50:33,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:50:33,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:50:33,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:50:33,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:50:33,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:50:33,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:50:33,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:50:33,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:50:33,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:50:33,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:50:33,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:50:33,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:50:33,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:50:33,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:50:33,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:50:33,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:50:33,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:50:33,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:50:33,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:50:33,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:50:33,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:50:33,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:50:33,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:50:33,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:50:33,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:50:33,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:50:33,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:50:33,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:50:33,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:50:33,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 07:50:33,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:50:33,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:50:33,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:50:33,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:50:33,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:50:33,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:50:33,506 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:50:33,507 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:50:33,507 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:50:33,507 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:50:33,508 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:50:33,508 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:50:33,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:50:33,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:50:33,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:50:33,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:50:33,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:50:33,511 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:50:33,511 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:50:33,512 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:50:33,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:50:33,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:50:33,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:50:33,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:50:33,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:50:33,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:50:33,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:50:33,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:50:33,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:50:33,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:50:33,515 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:50:33,515 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:50:33,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:50:33,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:50:33,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:50:33,516 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_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 209646e697ab13b66434de9e27dca02fb33e1e558b7539d3cf6ce258839294db [2022-11-19 07:50:33,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:50:33,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:50:33,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:50:33,993 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:50:33,994 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:50:33,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c [2022-11-19 07:50:34,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/data/58e5f59f9/ff50be276e22439485ed2c0dc2a37e28/FLAG13edffd6f [2022-11-19 07:50:34,721 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:50:34,722 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c [2022-11-19 07:50:34,732 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/data/58e5f59f9/ff50be276e22439485ed2c0dc2a37e28/FLAG13edffd6f [2022-11-19 07:50:34,761 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/data/58e5f59f9/ff50be276e22439485ed2c0dc2a37e28 [2022-11-19 07:50:34,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:50:34,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:50:34,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:50:34,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:50:34,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:50:34,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:34" (1/1) ... [2022-11-19 07:50:34,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2b59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34, skipping insertion in model container [2022-11-19 07:50:34,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:34" (1/1) ... [2022-11-19 07:50:34,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:50:34,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:50:34,960 WARN L234 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_74bff45b-1a5f-4846-9fb1-34fe60beba7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c[1107,1120] [2022-11-19 07:50:35,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:50:35,153 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:50:35,165 WARN L234 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_74bff45b-1a5f-4846-9fb1-34fe60beba7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c[1107,1120] [2022-11-19 07:50:35,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:50:35,315 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:50:35,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:35 WrapperNode [2022-11-19 07:50:35,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:50:35,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:50:35,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:50:35,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:50:35,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:35" (1/1) ... [2022-11-19 07:50:35,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:35" (1/1) ... [2022-11-19 07:50:35,386 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 420 [2022-11-19 07:50:35,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:50:35,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:50:35,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:50:35,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:50:35,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:35" (1/1) ... [2022-11-19 07:50:35,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:35" (1/1) ... [2022-11-19 07:50:35,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:35" (1/1) ... [2022-11-19 07:50:35,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:35" (1/1) ... [2022-11-19 07:50:35,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:35" (1/1) ... [2022-11-19 07:50:35,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:35" (1/1) ... [2022-11-19 07:50:35,451 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:35" (1/1) ... [2022-11-19 07:50:35,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:35" (1/1) ... [2022-11-19 07:50:35,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:50:35,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:50:35,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:50:35,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:50:35,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:35" (1/1) ... [2022-11-19 07:50:35,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:50:35,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:50:35,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:50:35,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:50:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:50:35,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:50:35,793 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:50:35,795 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:50:36,430 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:50:36,442 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:50:36,442 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:50:36,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:36 BoogieIcfgContainer [2022-11-19 07:50:36,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:50:36,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:50:36,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:50:36,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:50:36,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:34" (1/3) ... [2022-11-19 07:50:36,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c37fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:36, skipping insertion in model container [2022-11-19 07:50:36,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:35" (2/3) ... [2022-11-19 07:50:36,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c37fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:36, skipping insertion in model container [2022-11-19 07:50:36,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:36" (3/3) ... [2022-11-19 07:50:36,457 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_fru32_p3.c [2022-11-19 07:50:36,478 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:50:36,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:50:36,535 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:50:36,541 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;@5ce4c561, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:50:36,541 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:50:36,545 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) [2022-11-19 07:50:36,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 07:50:36,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:50:36,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 07:50:36,552 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:50:36,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:50:36,557 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-19 07:50:36,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:50:36,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190433416] [2022-11-19 07:50:36,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:50:36,579 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 [2022-11-19 07:50:36,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:50:36,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 07:50:36,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:50:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:50:36,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:50:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:50:37,133 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-19 07:50:37,136 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:50:37,137 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:50:37,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:50:37,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:50:37,359 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 07:50:37,366 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:50:37,438 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 07:50:37,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:50:37 BoogieIcfgContainer [2022-11-19 07:50:37,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:50:37,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:50:37,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:50:37,467 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:50:37,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:36" (3/4) ... [2022-11-19 07:50:37,470 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-19 07:50:37,482 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 07:50:37,584 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:50:37,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:50:37,585 INFO L158 Benchmark]: Toolchain (without parser) took 2819.63ms. Allocated memory was 54.5MB in the beginning and 88.1MB in the end (delta: 33.6MB). Free memory was 30.8MB in the beginning and 61.2MB in the end (delta: -30.4MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2022-11-19 07:50:37,586 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:50:37,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.50ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.6MB in the beginning and 44.0MB in the end (delta: -13.4MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-11-19 07:50:37,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.56ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 40.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:50:37,588 INFO L158 Benchmark]: Boogie Preprocessor took 85.82ms. Allocated memory is still 67.1MB. Free memory was 40.3MB in the beginning and 37.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:50:37,588 INFO L158 Benchmark]: RCFGBuilder took 971.16ms. Allocated memory is still 67.1MB. Free memory was 37.8MB in the beginning and 44.3MB in the end (delta: -6.6MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-11-19 07:50:37,589 INFO L158 Benchmark]: TraceAbstraction took 1013.42ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 43.7MB in the beginning and 45.7MB in the end (delta: -2.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-11-19 07:50:37,589 INFO L158 Benchmark]: Witness Printer took 118.77ms. Allocated memory is still 88.1MB. Free memory was 45.7MB in the beginning and 61.2MB in the end (delta: -15.5MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2022-11-19 07:50:37,592 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.50ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.6MB in the beginning and 44.0MB in the end (delta: -13.4MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.56ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 40.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.82ms. Allocated memory is still 67.1MB. Free memory was 40.3MB in the beginning and 37.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 971.16ms. Allocated memory is still 67.1MB. Free memory was 37.8MB in the beginning and 44.3MB in the end (delta: -6.6MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1013.42ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 43.7MB in the beginning and 45.7MB in the end (delta: -2.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 118.77ms. Allocated memory is still 88.1MB. Free memory was 45.7MB in the beginning and 61.2MB in the end (delta: -15.5MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 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 - 6); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (6 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 32); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (32 - 1); [L34] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 2); [L35] const SORT_21 msb_SORT_21 = (SORT_21)1 << (2 - 1); [L37] const SORT_43 mask_SORT_43 = (SORT_43)-1 >> (sizeof(SORT_43) * 8 - 5); [L38] const SORT_43 msb_SORT_43 = (SORT_43)1 << (5 - 1); [L40] const SORT_21 var_22 = 0; [L41] const SORT_21 var_23 = 1; [L42] const SORT_1 var_24 = 0; [L43] const SORT_3 var_28 = 1; [L44] const SORT_3 var_34 = 0; [L45] const SORT_43 var_45 = 31; [L46] const SORT_21 var_49 = 2; [L47] const SORT_21 var_66 = 3; [L48] const SORT_6 var_89 = 0; [L50] SORT_1 input_2; [L51] SORT_3 input_4; [L52] SORT_1 input_5; [L53] SORT_6 input_7; [L54] SORT_3 input_8; [L55] SORT_6 input_9; [L56] SORT_1 input_10; [L57] SORT_1 input_11; [L58] SORT_1 input_12; [L59] SORT_3 input_13; [L60] SORT_3 input_14; [L61] SORT_3 input_15; [L62] SORT_3 input_16; [L63] SORT_3 input_17; [L64] SORT_3 input_18; [L65] SORT_3 input_19; [L66] SORT_3 input_20; [L67] SORT_3 input_119; [L68] SORT_3 input_123; [L69] SORT_1 input_125; [L70] SORT_3 input_127; [L71] SORT_21 input_130; [L72] SORT_3 input_132; [L73] SORT_6 input_135; [L74] SORT_3 input_137; [L76] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] SORT_3 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L79] SORT_3 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L80] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L82] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L83] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] SORT_3 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] SORT_3 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] SORT_3 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] SORT_6 state_90 = __VERIFIER_nondet_uint() & mask_SORT_6; [L88] SORT_6 state_92 = __VERIFIER_nondet_uint() & mask_SORT_6; [L89] SORT_6 state_96 = __VERIFIER_nondet_uint() & mask_SORT_6; [L90] SORT_1 state_115 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] SORT_3 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] SORT_3 state_121 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] SORT_1 init_26_arg_1 = var_24; [L95] state_25 = init_26_arg_1 [L96] SORT_1 init_31_arg_1 = var_24; [L97] state_30 = init_31_arg_1 [L98] SORT_3 init_36_arg_1 = var_34; [L99] state_35 = init_36_arg_1 [L100] SORT_3 init_40_arg_1 = var_34; [L101] state_39 = init_40_arg_1 [L102] SORT_1 init_52_arg_1 = var_24; [L103] state_51 = init_52_arg_1 [L104] SORT_3 init_56_arg_1 = var_34; [L105] state_55 = init_56_arg_1 [L106] SORT_3 init_60_arg_1 = var_34; [L107] state_59 = init_60_arg_1 [L108] SORT_1 init_69_arg_1 = var_24; [L109] state_68 = init_69_arg_1 [L110] SORT_3 init_73_arg_1 = var_34; [L111] state_72 = init_73_arg_1 [L112] SORT_3 init_77_arg_1 = var_34; [L113] state_76 = init_77_arg_1 [L114] SORT_3 init_81_arg_1 = var_34; [L115] state_80 = init_81_arg_1 [L116] SORT_6 init_91_arg_1 = var_89; [L117] state_90 = init_91_arg_1 [L118] SORT_6 init_93_arg_1 = var_89; [L119] state_92 = init_93_arg_1 [L120] SORT_6 init_97_arg_1 = var_89; [L121] state_96 = init_97_arg_1 [L122] SORT_1 init_116_arg_1 = var_24; [L123] state_115 = init_116_arg_1 [L124] SORT_3 init_118_arg_1 = var_34; [L125] state_117 = init_118_arg_1 [L126] SORT_3 init_122_arg_1 = var_34; [L127] state_121 = init_122_arg_1 VAL [init_116_arg_1=0, init_118_arg_1=0, init_122_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_52_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_69_arg_1=0, init_73_arg_1=0, init_77_arg_1=0, init_81_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_97_arg_1=0, mask_SORT_1=63, mask_SORT_21=3, mask_SORT_3=1, mask_SORT_43=31, mask_SORT_6=4294967295, msb_SORT_1=32, msb_SORT_21=2, msb_SORT_3=1, msb_SORT_43=16, msb_SORT_6=2147483648, state_115=0, state_117=0, state_121=0, state_25=0, state_30=0, state_35=0, state_39=0, state_51=0, state_55=0, state_59=0, state_68=0, state_72=0, state_76=0, state_80=0, state_90=0, state_92=0, state_96=0, var_22=0, var_23=1, var_24=0, var_28=1, var_34=0, var_45=31, var_49=2, var_66=3, var_89=0] [L130] input_2 = __VERIFIER_nondet_uchar() [L131] input_4 = __VERIFIER_nondet_uchar() [L132] input_4 = input_4 & mask_SORT_3 [L133] input_5 = __VERIFIER_nondet_uchar() [L134] input_5 = input_5 & mask_SORT_1 [L135] input_7 = __VERIFIER_nondet_uint() [L136] input_8 = __VERIFIER_nondet_uchar() [L137] input_8 = input_8 & mask_SORT_3 [L138] input_9 = __VERIFIER_nondet_uint() [L139] input_10 = __VERIFIER_nondet_uchar() [L140] input_10 = input_10 & mask_SORT_1 [L141] input_11 = __VERIFIER_nondet_uchar() [L142] input_11 = input_11 & mask_SORT_1 [L143] input_12 = __VERIFIER_nondet_uchar() [L144] input_13 = __VERIFIER_nondet_uchar() [L145] input_14 = __VERIFIER_nondet_uchar() [L146] input_14 = input_14 & mask_SORT_3 [L147] input_15 = __VERIFIER_nondet_uchar() [L148] input_16 = __VERIFIER_nondet_uchar() [L149] input_16 = input_16 & mask_SORT_3 [L150] input_17 = __VERIFIER_nondet_uchar() [L151] input_17 = input_17 & mask_SORT_3 [L152] input_18 = __VERIFIER_nondet_uchar() [L153] input_18 = input_18 & mask_SORT_3 [L154] input_19 = __VERIFIER_nondet_uchar() [L155] input_19 = input_19 & mask_SORT_3 [L156] input_20 = __VERIFIER_nondet_uchar() [L157] input_119 = __VERIFIER_nondet_uchar() [L158] input_123 = __VERIFIER_nondet_uchar() [L159] input_125 = __VERIFIER_nondet_uchar() [L160] input_127 = __VERIFIER_nondet_uchar() [L161] input_130 = __VERIFIER_nondet_uchar() [L162] input_132 = __VERIFIER_nondet_uchar() [L163] input_135 = __VERIFIER_nondet_uint() [L164] input_137 = __VERIFIER_nondet_uchar() [L167] SORT_1 var_27_arg_0 = state_25; [L168] SORT_3 var_27 = var_27_arg_0 >> 5; [L169] var_27 = var_27 & mask_SORT_3 [L170] SORT_3 var_67_arg_0 = var_27; [L171] SORT_3 var_67_arg_1 = var_28; [L172] SORT_3 var_67 = var_67_arg_0 == var_67_arg_1; [L173] SORT_1 var_70_arg_0 = state_25; [L174] SORT_1 var_70_arg_1 = state_68; [L175] SORT_3 var_70 = var_70_arg_0 == var_70_arg_1; [L176] SORT_3 var_71_arg_0 = var_67; [L177] SORT_3 var_71_arg_1 = var_70; [L178] SORT_3 var_71 = var_71_arg_0 & var_71_arg_1; [L179] SORT_3 var_74_arg_0 = state_72; [L180] SORT_3 var_74_arg_1 = var_28; [L181] SORT_3 var_74 = var_74_arg_0 != var_74_arg_1; [L182] SORT_3 var_75_arg_0 = var_71; [L183] SORT_3 var_75_arg_1 = var_74; [L184] SORT_3 var_75 = var_75_arg_0 & var_75_arg_1; [L185] SORT_3 var_78_arg_0 = state_76; [L186] SORT_3 var_78_arg_1 = var_28; [L187] SORT_3 var_78 = var_78_arg_0 == var_78_arg_1; [L188] SORT_3 var_79_arg_0 = var_75; [L189] SORT_3 var_79_arg_1 = var_78; [L190] SORT_3 var_79 = var_79_arg_0 & var_79_arg_1; [L191] SORT_3 var_82_arg_0 = state_80; [L192] SORT_3 var_82_arg_1 = var_28; [L193] SORT_3 var_82 = var_82_arg_0 == var_82_arg_1; [L194] SORT_3 var_83_arg_0 = var_79; [L195] SORT_3 var_83_arg_1 = var_82; [L196] SORT_3 var_83 = var_83_arg_0 & var_83_arg_1; [L197] SORT_1 var_44_arg_0 = state_25; [L198] SORT_43 var_44 = var_44_arg_0 >> 0; [L199] var_44 = var_44 & mask_SORT_43 [L200] SORT_43 var_84_arg_0 = var_44; [L201] SORT_43 var_84_arg_1 = var_45; [L202] SORT_3 var_84 = var_84_arg_0 != var_84_arg_1; [L203] SORT_3 var_85_arg_0 = var_83; [L204] SORT_3 var_85_arg_1 = var_84; [L205] SORT_3 var_85 = var_85_arg_0 & var_85_arg_1; [L206] var_85 = var_85 & mask_SORT_3 [L207] SORT_3 var_50_arg_0 = var_27; [L208] SORT_3 var_50_arg_1 = var_28; [L209] SORT_3 var_50 = var_50_arg_0 == var_50_arg_1; [L210] SORT_1 var_53_arg_0 = state_25; [L211] SORT_1 var_53_arg_1 = state_51; [L212] SORT_3 var_53 = var_53_arg_0 == var_53_arg_1; [L213] SORT_3 var_54_arg_0 = var_50; [L214] SORT_3 var_54_arg_1 = var_53; [L215] SORT_3 var_54 = var_54_arg_0 & var_54_arg_1; [L216] SORT_3 var_57_arg_0 = state_55; [L217] SORT_3 var_57_arg_1 = var_28; [L218] SORT_3 var_57 = var_57_arg_0 == var_57_arg_1; [L219] SORT_3 var_58_arg_0 = var_54; [L220] SORT_3 var_58_arg_1 = var_57; [L221] SORT_3 var_58 = var_58_arg_0 & var_58_arg_1; [L222] SORT_3 var_61_arg_0 = state_59; [L223] SORT_3 var_61_arg_1 = var_28; [L224] SORT_3 var_61 = var_61_arg_0 == var_61_arg_1; [L225] SORT_3 var_62_arg_0 = var_58; [L226] SORT_3 var_62_arg_1 = var_61; [L227] SORT_3 var_62 = var_62_arg_0 & var_62_arg_1; [L228] SORT_43 var_63_arg_0 = var_44; [L229] SORT_43 var_63_arg_1 = var_45; [L230] SORT_3 var_63 = var_63_arg_0 != var_63_arg_1; [L231] SORT_3 var_64_arg_0 = var_62; [L232] SORT_3 var_64_arg_1 = var_63; [L233] SORT_3 var_64 = var_64_arg_0 & var_64_arg_1; [L234] var_64 = var_64 & mask_SORT_3 [L235] SORT_3 var_29_arg_0 = var_27; [L236] SORT_3 var_29_arg_1 = var_28; [L237] SORT_3 var_29 = var_29_arg_0 == var_29_arg_1; [L238] SORT_1 var_32_arg_0 = state_25; [L239] SORT_1 var_32_arg_1 = state_30; [L240] SORT_3 var_32 = var_32_arg_0 == var_32_arg_1; [L241] SORT_3 var_33_arg_0 = var_29; [L242] SORT_3 var_33_arg_1 = var_32; [L243] SORT_3 var_33 = var_33_arg_0 & var_33_arg_1; [L244] SORT_3 var_37_arg_0 = state_35; [L245] SORT_3 var_37_arg_1 = var_28; [L246] SORT_3 var_37 = var_37_arg_0 == var_37_arg_1; [L247] SORT_3 var_38_arg_0 = var_33; [L248] SORT_3 var_38_arg_1 = var_37; [L249] SORT_3 var_38 = var_38_arg_0 & var_38_arg_1; [L250] SORT_3 var_41_arg_0 = state_39; [L251] SORT_3 var_41_arg_1 = var_28; [L252] SORT_3 var_41 = var_41_arg_0 == var_41_arg_1; [L253] SORT_3 var_42_arg_0 = var_38; [L254] SORT_3 var_42_arg_1 = var_41; [L255] SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; [L256] SORT_43 var_46_arg_0 = var_44; [L257] SORT_43 var_46_arg_1 = var_45; [L258] SORT_3 var_46 = var_46_arg_0 != var_46_arg_1; [L259] SORT_3 var_47_arg_0 = var_42; [L260] SORT_3 var_47_arg_1 = var_46; [L261] SORT_3 var_47 = var_47_arg_0 & var_47_arg_1; [L262] var_47 = var_47 & mask_SORT_3 [L263] SORT_3 var_48_arg_0 = var_47; [L264] SORT_21 var_48_arg_1 = var_23; [L265] SORT_21 var_48_arg_2 = var_22; [L266] SORT_21 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L267] SORT_3 var_65_arg_0 = var_64; [L268] SORT_21 var_65_arg_1 = var_49; [L269] SORT_21 var_65_arg_2 = var_48; [L270] SORT_21 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L271] SORT_3 var_86_arg_0 = var_85; [L272] SORT_21 var_86_arg_1 = var_66; [L273] SORT_21 var_86_arg_2 = var_65; [L274] SORT_21 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L275] var_86 = var_86 & mask_SORT_21 [L276] SORT_21 var_87_arg_0 = var_86; [L277] SORT_21 var_87_arg_1 = var_49; [L278] SORT_3 var_87 = var_87_arg_0 == var_87_arg_1; [L279] SORT_3 var_88_arg_0 = var_87; [L280] SORT_3 var_88 = ~var_88_arg_0; [L281] SORT_43 var_103_arg_0 = var_44; [L282] SORT_43 var_103_arg_1 = var_45; [L283] SORT_3 var_103 = var_103_arg_0 == var_103_arg_1; [L284] SORT_21 var_100_arg_0 = var_86; [L285] SORT_21 var_100_arg_1 = var_23; [L286] SORT_3 var_100 = var_100_arg_0 == var_100_arg_1; [L287] SORT_21 var_98_arg_0 = var_86; [L288] SORT_21 var_98_arg_1 = var_22; [L289] SORT_3 var_98 = var_98_arg_0 == var_98_arg_1; [L290] SORT_3 var_101_arg_0 = var_100; [L291] SORT_3 var_101_arg_1 = var_98; [L292] SORT_3 var_101 = var_101_arg_0 | var_101_arg_1; [L293] var_101 = var_101 & mask_SORT_3 [L294] SORT_3 var_99_arg_0 = var_98; [L295] SORT_6 var_99_arg_1 = var_89; [L296] SORT_6 var_99_arg_2 = state_96; [L297] SORT_6 var_99 = var_99_arg_0 ? var_99_arg_1 : var_99_arg_2; [L298] SORT_21 var_94_arg_0 = var_86; [L299] SORT_21 var_94_arg_1 = var_49; [L300] SORT_3 var_94 = var_94_arg_0 == var_94_arg_1; [L301] SORT_3 var_95_arg_0 = var_94; [L302] SORT_6 var_95_arg_1 = state_92; [L303] SORT_6 var_95_arg_2 = state_90; [L304] SORT_6 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L305] SORT_3 var_102_arg_0 = var_101; [L306] SORT_6 var_102_arg_1 = var_99; [L307] SORT_6 var_102_arg_2 = var_95; [L308] SORT_6 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L309] SORT_3 var_104_arg_0 = var_103; [L310] SORT_6 var_104_arg_1 = var_89; [L311] SORT_6 var_104_arg_2 = var_102; [L312] SORT_6 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L313] SORT_6 var_105_arg_0 = var_104; [L314] SORT_1 var_105 = var_105_arg_0 >> 26; [L315] var_105 = var_105 & mask_SORT_1 [L316] SORT_6 var_106_arg_0 = state_90; [L317] SORT_1 var_106 = var_106_arg_0 >> 26; [L318] var_106 = var_106 & mask_SORT_1 [L319] SORT_1 var_107_arg_0 = var_105; [L320] SORT_1 var_107_arg_1 = var_106; [L321] SORT_3 var_107 = var_107_arg_0 == var_107_arg_1; [L322] SORT_3 var_108_arg_0 = var_88; [L323] SORT_3 var_108_arg_1 = var_107; [L324] SORT_3 var_108 = var_108_arg_0 | var_108_arg_1; [L325] SORT_3 var_109_arg_0 = var_108; [L326] SORT_3 var_109 = ~var_109_arg_0; [L327] SORT_3 var_112_arg_0 = var_109; [L328] SORT_3 var_112 = ~var_112_arg_0; [L329] SORT_3 var_113_arg_0 = var_28; [L330] SORT_3 var_113_arg_1 = var_112; [L331] SORT_3 var_113 = var_113_arg_0 & var_113_arg_1; [L332] var_113 = var_113 & mask_SORT_3 [L333] SORT_3 bad_114_arg_0 = var_113; [L334] CALL __VERIFIER_assert(!(bad_114_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: 0.8s, 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! [2022-11-19 07:50:37,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bff45b-1a5f-4846-9fb1-34fe60beba7d/bin/utaipan-I9t0OCRTmS/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