./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba --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 a55279f4902e2d215af953f0a5b477ae98deec0723da38b19ff005dc823ff8bf --- 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-b5237d8 [2022-11-22 01:54:55,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:54:55,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:54:55,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:54:55,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:54:55,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:54:55,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:54:56,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:54:56,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:54:56,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:54:56,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:54:56,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:54:56,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:54:56,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:54:56,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:54:56,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:54:56,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:54:56,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:54:56,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:54:56,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:54:56,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:54:56,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:54:56,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:54:56,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:54:56,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:54:56,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:54:56,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:54:56,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:54:56,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:54:56,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:54:56,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:54:56,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:54:56,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:54:56,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:54:56,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:54:56,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:54:56,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:54:56,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:54:56,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:54:56,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:54:56,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:54:56,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:54:56,093 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:54:56,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:54:56,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:54:56,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:54:56,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:54:56,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:54:56,106 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:54:56,107 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:54:56,107 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:54:56,107 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:54:56,108 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:54:56,108 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:54:56,109 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:54:56,109 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:54:56,109 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:54:56,109 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:54:56,110 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:54:56,110 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:54:56,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:54:56,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:54:56,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:54:56,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:54:56,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:54:56,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:54:56,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:54:56,113 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:54:56,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:54:56,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:54:56,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:54:56,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:54:56,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:54:56,114 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:54:56,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:54:56,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:54:56,115 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:54:56,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:54:56,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:54:56,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:54:56,116 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_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a55279f4902e2d215af953f0a5b477ae98deec0723da38b19ff005dc823ff8bf [2022-11-22 01:54:56,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:54:56,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:54:56,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:54:56,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:54:56,519 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:54:56,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2022-11-22 01:54:59,507 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:54:59,747 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:54:59,775 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2022-11-22 01:54:59,816 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/data/2d23b90a5/8a1a9f9fec8c4887af447794c9498144/FLAG3d342fbcc [2022-11-22 01:54:59,854 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/data/2d23b90a5/8a1a9f9fec8c4887af447794c9498144 [2022-11-22 01:54:59,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:54:59,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:54:59,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:54:59,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:54:59,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:54:59,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:54:59" (1/1) ... [2022-11-22 01:54:59,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d69e76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:59, skipping insertion in model container [2022-11-22 01:54:59,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:54:59" (1/1) ... [2022-11-22 01:54:59,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:54:59,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:55:00,046 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1107,1120] [2022-11-22 01:55:00,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:55:00,127 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:55:00,138 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1107,1120] [2022-11-22 01:55:00,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:55:00,199 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:55:00,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:00 WrapperNode [2022-11-22 01:55:00,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:55:00,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:55:00,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:55:00,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:55:00,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:00" (1/1) ... [2022-11-22 01:55:00,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:00" (1/1) ... [2022-11-22 01:55:00,267 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 243 [2022-11-22 01:55:00,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:55:00,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:55:00,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:55:00,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:55:00,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:00" (1/1) ... [2022-11-22 01:55:00,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:00" (1/1) ... [2022-11-22 01:55:00,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:00" (1/1) ... [2022-11-22 01:55:00,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:00" (1/1) ... [2022-11-22 01:55:00,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:00" (1/1) ... [2022-11-22 01:55:00,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:00" (1/1) ... [2022-11-22 01:55:00,300 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:00" (1/1) ... [2022-11-22 01:55:00,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:00" (1/1) ... [2022-11-22 01:55:00,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:55:00,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:55:00,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:55:00,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:55:00,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:00" (1/1) ... [2022-11-22 01:55:00,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:55:00,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:55:00,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:55:00,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:55:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:55:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:55:00,588 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:55:00,590 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:55:01,628 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:55:01,656 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:55:01,659 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 01:55:01,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:55:01 BoogieIcfgContainer [2022-11-22 01:55:01,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:55:01,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:55:01,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:55:01,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:55:01,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:54:59" (1/3) ... [2022-11-22 01:55:01,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e971c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:55:01, skipping insertion in model container [2022-11-22 01:55:01,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:00" (2/3) ... [2022-11-22 01:55:01,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e971c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:55:01, skipping insertion in model container [2022-11-22 01:55:01,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:55:01" (3/3) ... [2022-11-22 01:55:01,681 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Barrel.c [2022-11-22 01:55:01,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:55:01,709 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:55:01,762 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:55:01,768 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;@41dcea34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:55:01,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:55:01,772 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) [2022-11-22 01:55:01,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 01:55:01,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:55:01,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 01:55:01,780 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:55:01,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:55:01,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1797488, now seen corresponding path program 1 times [2022-11-22 01:55:01,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:55:01,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43018809] [2022-11-22 01:55:01,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:55:01,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:55:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:55:03,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:55:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:55:05,622 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:55:05,625 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:55:05,627 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 01:55:05,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:55:05,634 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 01:55:05,638 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:55:05,683 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 01:55:05,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:55:05 BoogieIcfgContainer [2022-11-22 01:55:05,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:55:05,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:55:05,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:55:05,706 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:55:05,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:55:01" (3/4) ... [2022-11-22 01:55:05,712 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:55:05,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:55:05,716 INFO L158 Benchmark]: Toolchain (without parser) took 5851.40ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 146.8MB in the beginning and 116.3MB in the end (delta: 30.4MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. [2022-11-22 01:55:05,716 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:55:05,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.20ms. Allocated memory is still 174.1MB. Free memory was 146.3MB in the beginning and 131.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-22 01:55:05,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.88ms. Allocated memory is still 174.1MB. Free memory was 131.0MB in the beginning and 127.3MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:55:05,720 INFO L158 Benchmark]: Boogie Preprocessor took 37.87ms. Allocated memory is still 174.1MB. Free memory was 127.3MB in the beginning and 125.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:55:05,725 INFO L158 Benchmark]: RCFGBuilder took 1355.23ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 125.2MB in the beginning and 156.1MB in the end (delta: -30.9MB). Peak memory consumption was 100.6MB. Max. memory is 16.1GB. [2022-11-22 01:55:05,727 INFO L158 Benchmark]: TraceAbstraction took 4039.14ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 155.1MB in the beginning and 116.3MB in the end (delta: 38.7MB). Peak memory consumption was 124.4MB. Max. memory is 16.1GB. [2022-11-22 01:55:05,727 INFO L158 Benchmark]: Witness Printer took 7.67ms. Allocated memory is still 251.7MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:55:05,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.20ms. Allocated memory is still 174.1MB. Free memory was 146.3MB in the beginning and 131.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.88ms. Allocated memory is still 174.1MB. Free memory was 131.0MB in the beginning and 127.3MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.87ms. Allocated memory is still 174.1MB. Free memory was 127.3MB in the beginning and 125.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1355.23ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 125.2MB in the beginning and 156.1MB in the end (delta: -30.9MB). Peak memory consumption was 100.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4039.14ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 155.1MB in the beginning and 116.3MB in the end (delta: 38.7MB). Peak memory consumption was 124.4MB. Max. memory is 16.1GB. * Witness Printer took 7.67ms. Allocated memory is still 251.7MB. Free memory is still 116.3MB. 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 bitwiseComplement at line 244, overapproximation of bitwiseOr at line 62, overapproximation of bitwiseAnd at line 74. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L31] const SORT_3 var_4 = 0; [L32] const SORT_1 var_78 = 1; [L34] SORT_1 input_2; [L36] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L37] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L38] SORT_3 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L39] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L41] SORT_3 init_6_arg_1 = var_4; [L42] state_5 = init_6_arg_1 [L43] SORT_3 init_9_arg_1 = var_4; [L44] state_8 = init_9_arg_1 [L45] SORT_3 init_26_arg_1 = var_4; [L46] state_25 = init_26_arg_1 [L47] SORT_3 init_44_arg_1 = var_4; [L48] state_43 = init_44_arg_1 VAL [init_26_arg_1=0, init_44_arg_1=0, init_6_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_3=3, msb_SORT_1=1, msb_SORT_3=2, state_25=0, state_43=0, state_5=0, state_8=0, var_4=0, var_78=1] [L51] input_2 = __VERIFIER_nondet_uchar() [L54] SORT_3 var_7_arg_0 = state_5; [L55] SORT_3 var_7_arg_1 = var_4; [L56] SORT_1 var_7 = var_7_arg_0 != var_7_arg_1; [L57] SORT_3 var_10_arg_0 = state_8; [L58] SORT_3 var_10_arg_1 = var_4; [L59] SORT_1 var_10 = var_10_arg_0 == var_10_arg_1; [L60] SORT_1 var_11_arg_0 = var_7; [L61] SORT_1 var_11_arg_1 = var_10; [L62] SORT_1 var_11 = var_11_arg_0 | var_11_arg_1; [L63] SORT_3 var_12_arg_0 = state_5; [L64] SORT_3 var_12_arg_1 = var_4; [L65] SORT_1 var_12 = var_12_arg_0 != var_12_arg_1; [L66] SORT_3 var_13_arg_0 = state_8; [L67] SORT_3 var_13_arg_1 = var_4; [L68] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L69] SORT_1 var_14_arg_0 = var_12; [L70] SORT_1 var_14_arg_1 = var_13; [L71] SORT_1 var_14 = var_14_arg_0 | var_14_arg_1; [L72] SORT_1 var_15_arg_0 = var_11; [L73] SORT_1 var_15_arg_1 = var_14; [L74] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L75] SORT_3 var_16_arg_0 = state_5; [L76] SORT_3 var_16_arg_1 = var_4; [L77] SORT_1 var_16 = var_16_arg_0 != var_16_arg_1; [L78] SORT_3 var_17_arg_0 = state_8; [L79] SORT_3 var_17_arg_1 = var_4; [L80] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L81] SORT_1 var_18_arg_0 = var_16; [L82] SORT_1 var_18_arg_1 = var_17; [L83] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L84] SORT_1 var_19_arg_0 = var_15; [L85] SORT_1 var_19_arg_1 = var_18; [L86] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L87] SORT_3 var_20_arg_0 = state_5; [L88] SORT_3 var_20_arg_1 = var_4; [L89] SORT_1 var_20 = var_20_arg_0 != var_20_arg_1; [L90] SORT_3 var_21_arg_0 = state_8; [L91] SORT_3 var_21_arg_1 = var_4; [L92] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L93] SORT_1 var_22_arg_0 = var_20; [L94] SORT_1 var_22_arg_1 = var_21; [L95] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L96] SORT_1 var_23_arg_0 = var_19; [L97] SORT_1 var_23_arg_1 = var_22; [L98] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L99] SORT_3 var_24_arg_0 = state_8; [L100] SORT_3 var_24_arg_1 = var_4; [L101] SORT_1 var_24 = var_24_arg_0 != var_24_arg_1; [L102] SORT_3 var_27_arg_0 = state_25; [L103] SORT_3 var_27_arg_1 = var_4; [L104] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L105] SORT_1 var_28_arg_0 = var_24; [L106] SORT_1 var_28_arg_1 = var_27; [L107] SORT_1 var_28 = var_28_arg_0 | var_28_arg_1; [L108] SORT_1 var_29_arg_0 = var_23; [L109] SORT_1 var_29_arg_1 = var_28; [L110] SORT_1 var_29 = var_29_arg_0 & var_29_arg_1; [L111] SORT_3 var_30_arg_0 = state_8; [L112] SORT_3 var_30_arg_1 = var_4; [L113] SORT_1 var_30 = var_30_arg_0 != var_30_arg_1; [L114] SORT_3 var_31_arg_0 = state_25; [L115] SORT_3 var_31_arg_1 = var_4; [L116] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L117] SORT_1 var_32_arg_0 = var_30; [L118] SORT_1 var_32_arg_1 = var_31; [L119] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L120] SORT_1 var_33_arg_0 = var_29; [L121] SORT_1 var_33_arg_1 = var_32; [L122] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L123] SORT_3 var_34_arg_0 = state_8; [L124] SORT_3 var_34_arg_1 = var_4; [L125] SORT_1 var_34 = var_34_arg_0 != var_34_arg_1; [L126] SORT_3 var_35_arg_0 = state_25; [L127] SORT_3 var_35_arg_1 = var_4; [L128] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L129] SORT_1 var_36_arg_0 = var_34; [L130] SORT_1 var_36_arg_1 = var_35; [L131] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L132] SORT_1 var_37_arg_0 = var_33; [L133] SORT_1 var_37_arg_1 = var_36; [L134] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L135] SORT_3 var_38_arg_0 = state_8; [L136] SORT_3 var_38_arg_1 = var_4; [L137] SORT_1 var_38 = var_38_arg_0 != var_38_arg_1; [L138] SORT_3 var_39_arg_0 = state_25; [L139] SORT_3 var_39_arg_1 = var_4; [L140] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L141] SORT_1 var_40_arg_0 = var_38; [L142] SORT_1 var_40_arg_1 = var_39; [L143] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L144] SORT_1 var_41_arg_0 = var_37; [L145] SORT_1 var_41_arg_1 = var_40; [L146] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L147] SORT_3 var_42_arg_0 = state_25; [L148] SORT_3 var_42_arg_1 = var_4; [L149] SORT_1 var_42 = var_42_arg_0 != var_42_arg_1; [L150] SORT_3 var_45_arg_0 = state_43; [L151] SORT_3 var_45_arg_1 = var_4; [L152] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L153] SORT_1 var_46_arg_0 = var_42; [L154] SORT_1 var_46_arg_1 = var_45; [L155] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L156] SORT_1 var_47_arg_0 = var_41; [L157] SORT_1 var_47_arg_1 = var_46; [L158] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L159] SORT_3 var_48_arg_0 = state_25; [L160] SORT_3 var_48_arg_1 = var_4; [L161] SORT_1 var_48 = var_48_arg_0 != var_48_arg_1; [L162] SORT_3 var_49_arg_0 = state_43; [L163] SORT_3 var_49_arg_1 = var_4; [L164] SORT_1 var_49 = var_49_arg_0 == var_49_arg_1; [L165] SORT_1 var_50_arg_0 = var_48; [L166] SORT_1 var_50_arg_1 = var_49; [L167] SORT_1 var_50 = var_50_arg_0 | var_50_arg_1; [L168] SORT_1 var_51_arg_0 = var_47; [L169] SORT_1 var_51_arg_1 = var_50; [L170] SORT_1 var_51 = var_51_arg_0 & var_51_arg_1; [L171] SORT_3 var_52_arg_0 = state_25; [L172] SORT_3 var_52_arg_1 = var_4; [L173] SORT_1 var_52 = var_52_arg_0 != var_52_arg_1; [L174] SORT_3 var_53_arg_0 = state_43; [L175] SORT_3 var_53_arg_1 = var_4; [L176] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L177] SORT_1 var_54_arg_0 = var_52; [L178] SORT_1 var_54_arg_1 = var_53; [L179] SORT_1 var_54 = var_54_arg_0 | var_54_arg_1; [L180] SORT_1 var_55_arg_0 = var_51; [L181] SORT_1 var_55_arg_1 = var_54; [L182] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L183] SORT_3 var_56_arg_0 = state_25; [L184] SORT_3 var_56_arg_1 = var_4; [L185] SORT_1 var_56 = var_56_arg_0 != var_56_arg_1; [L186] SORT_3 var_57_arg_0 = state_43; [L187] SORT_3 var_57_arg_1 = var_4; [L188] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L189] SORT_1 var_58_arg_0 = var_56; [L190] SORT_1 var_58_arg_1 = var_57; [L191] SORT_1 var_58 = var_58_arg_0 | var_58_arg_1; [L192] SORT_1 var_59_arg_0 = var_55; [L193] SORT_1 var_59_arg_1 = var_58; [L194] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L195] SORT_3 var_60_arg_0 = state_43; [L196] SORT_3 var_60_arg_1 = var_4; [L197] SORT_1 var_60 = var_60_arg_0 != var_60_arg_1; [L198] SORT_3 var_61_arg_0 = state_5; [L199] SORT_3 var_61_arg_1 = var_4; [L200] SORT_1 var_61 = var_61_arg_0 == var_61_arg_1; [L201] SORT_1 var_62_arg_0 = var_60; [L202] SORT_1 var_62_arg_1 = var_61; [L203] SORT_1 var_62 = var_62_arg_0 | var_62_arg_1; [L204] SORT_1 var_63_arg_0 = var_59; [L205] SORT_1 var_63_arg_1 = var_62; [L206] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L207] SORT_3 var_64_arg_0 = state_43; [L208] SORT_3 var_64_arg_1 = var_4; [L209] SORT_1 var_64 = var_64_arg_0 != var_64_arg_1; [L210] SORT_3 var_65_arg_0 = state_5; [L211] SORT_3 var_65_arg_1 = var_4; [L212] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L213] SORT_1 var_66_arg_0 = var_64; [L214] SORT_1 var_66_arg_1 = var_65; [L215] SORT_1 var_66 = var_66_arg_0 | var_66_arg_1; [L216] SORT_1 var_67_arg_0 = var_63; [L217] SORT_1 var_67_arg_1 = var_66; [L218] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L219] SORT_3 var_68_arg_0 = state_43; [L220] SORT_3 var_68_arg_1 = var_4; [L221] SORT_1 var_68 = var_68_arg_0 != var_68_arg_1; [L222] SORT_3 var_69_arg_0 = state_5; [L223] SORT_3 var_69_arg_1 = var_4; [L224] SORT_1 var_69 = var_69_arg_0 == var_69_arg_1; [L225] SORT_1 var_70_arg_0 = var_68; [L226] SORT_1 var_70_arg_1 = var_69; [L227] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L228] SORT_1 var_71_arg_0 = var_67; [L229] SORT_1 var_71_arg_1 = var_70; [L230] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L231] SORT_3 var_72_arg_0 = state_43; [L232] SORT_3 var_72_arg_1 = var_4; [L233] SORT_1 var_72 = var_72_arg_0 != var_72_arg_1; [L234] SORT_3 var_73_arg_0 = state_5; [L235] SORT_3 var_73_arg_1 = var_4; [L236] SORT_1 var_73 = var_73_arg_0 == var_73_arg_1; [L237] SORT_1 var_74_arg_0 = var_72; [L238] SORT_1 var_74_arg_1 = var_73; [L239] SORT_1 var_74 = var_74_arg_0 | var_74_arg_1; [L240] SORT_1 var_75_arg_0 = var_71; [L241] SORT_1 var_75_arg_1 = var_74; [L242] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L243] SORT_1 var_79_arg_0 = var_75; [L244] SORT_1 var_79 = ~var_79_arg_0; [L245] SORT_1 var_80_arg_0 = var_78; [L246] SORT_1 var_80_arg_1 = var_79; [L247] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L248] var_80 = var_80 & mask_SORT_1 [L249] SORT_1 bad_81_arg_0 = var_80; [L250] CALL __VERIFIER_assert(!(bad_81_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: 3.9s, 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, 2.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-22 01:55:05,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/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_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba --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 a55279f4902e2d215af953f0a5b477ae98deec0723da38b19ff005dc823ff8bf --- 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-b5237d8 [2022-11-22 01:55:08,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:55:08,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:55:08,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:55:08,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:55:08,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:55:08,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:55:08,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:55:08,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:55:08,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:55:08,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:55:08,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:55:08,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:55:08,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:55:08,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:55:08,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:55:08,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:55:08,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:55:08,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:55:08,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:55:08,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:55:08,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:55:08,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:55:08,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:55:08,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:55:08,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:55:08,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:55:08,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:55:08,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:55:08,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:55:08,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:55:08,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:55:08,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:55:08,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:55:08,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:55:08,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:55:08,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:55:08,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:55:08,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:55:08,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:55:08,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:55:08,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-22 01:55:08,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:55:08,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:55:08,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:55:08,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:55:08,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:55:08,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:55:08,505 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:55:08,506 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:55:08,506 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:55:08,506 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:55:08,507 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:55:08,507 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:55:08,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:55:08,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:55:08,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:55:08,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:55:08,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:55:08,509 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:55:08,510 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:55:08,510 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:55:08,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:55:08,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:55:08,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:55:08,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:55:08,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:55:08,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:55:08,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:55:08,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:55:08,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:55:08,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:55:08,513 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:55:08,513 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:55:08,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:55:08,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:55:08,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:55:08,514 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_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a55279f4902e2d215af953f0a5b477ae98deec0723da38b19ff005dc823ff8bf [2022-11-22 01:55:08,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:55:08,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:55:08,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:55:08,951 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:55:08,952 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:55:08,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2022-11-22 01:55:12,014 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:55:12,210 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:55:12,210 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2022-11-22 01:55:12,227 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/data/51071fc94/9e70b4dc6cef4b73bb1bebe4de2fba91/FLAGd3bbf2f94 [2022-11-22 01:55:12,246 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/data/51071fc94/9e70b4dc6cef4b73bb1bebe4de2fba91 [2022-11-22 01:55:12,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:55:12,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:55:12,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:55:12,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:55:12,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:55:12,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:55:12" (1/1) ... [2022-11-22 01:55:12,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b048c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:12, skipping insertion in model container [2022-11-22 01:55:12,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:55:12" (1/1) ... [2022-11-22 01:55:12,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:55:12,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:55:12,496 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1107,1120] [2022-11-22 01:55:12,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:55:12,579 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:55:12,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1107,1120] [2022-11-22 01:55:12,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:55:12,693 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:55:12,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:12 WrapperNode [2022-11-22 01:55:12,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:55:12,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:55:12,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:55:12,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:55:12,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:12" (1/1) ... [2022-11-22 01:55:12,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:12" (1/1) ... [2022-11-22 01:55:12,772 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 243 [2022-11-22 01:55:12,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:55:12,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:55:12,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:55:12,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:55:12,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:12" (1/1) ... [2022-11-22 01:55:12,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:12" (1/1) ... [2022-11-22 01:55:12,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:12" (1/1) ... [2022-11-22 01:55:12,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:12" (1/1) ... [2022-11-22 01:55:12,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:12" (1/1) ... [2022-11-22 01:55:12,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:12" (1/1) ... [2022-11-22 01:55:12,809 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:12" (1/1) ... [2022-11-22 01:55:12,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:12" (1/1) ... [2022-11-22 01:55:12,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:55:12,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:55:12,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:55:12,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:55:12,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:12" (1/1) ... [2022-11-22 01:55:12,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:55:12,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:55:12,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:55:12,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:55:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:55:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:55:13,128 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:55:13,130 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:55:13,471 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:55:13,489 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:55:13,489 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 01:55:13,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:55:13 BoogieIcfgContainer [2022-11-22 01:55:13,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:55:13,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:55:13,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:55:13,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:55:13,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:55:12" (1/3) ... [2022-11-22 01:55:13,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4825d655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:55:13, skipping insertion in model container [2022-11-22 01:55:13,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:12" (2/3) ... [2022-11-22 01:55:13,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4825d655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:55:13, skipping insertion in model container [2022-11-22 01:55:13,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:55:13" (3/3) ... [2022-11-22 01:55:13,510 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Barrel.c [2022-11-22 01:55:13,530 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:55:13,530 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:55:13,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:55:13,580 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;@5c73189c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:55:13,580 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:55:13,583 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) [2022-11-22 01:55:13,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:55:13,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:55:13,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:55:13,600 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:55:13,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:55:13,606 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-22 01:55:13,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:55:13,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202736949] [2022-11-22 01:55:13,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:55:13,627 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 [2022-11-22 01:55:13,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:55:13,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:55:13,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:55:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:55:13,931 WARN L261 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 143 conjunts are in the unsatisfiable core [2022-11-22 01:55:13,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:55:16,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:55:16,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:55:16,139 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:55:16,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202736949] [2022-11-22 01:55:16,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202736949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:55:16,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:55:16,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:55:16,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163346122] [2022-11-22 01:55:16,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:55:16,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:55:16,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:55:16,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:55:16,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:55:16,213 INFO L87 Difference]: Start difference. First 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-22 01:55:16,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:55:16,298 INFO L93 Difference]: Finished difference Result 15 states and 22 transitions. [2022-11-22 01:55:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:55:16,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-22 01:55:16,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:55:16,308 INFO L225 Difference]: With dead ends: 15 [2022-11-22 01:55:16,309 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:55:16,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:55:16,316 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:55:16,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:55:16,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:55:16,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:55:16,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:55:16,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:55:16,346 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-22 01:55:16,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:55:16,346 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:55:16,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-22 01:55:16,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:55:16,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:55:16,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 01:55:16,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:55:16,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:55:16,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 01:55:16,624 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 01:55:16,625 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-22 01:55:16,625 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 01:55:16,625 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-22 01:55:16,626 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-22 01:55:16,626 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-22 01:55:16,626 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-22 01:55:16,626 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-22 01:55:16,628 INFO L895 garLoopResultBuilder]: At program point L49-2(lines 49 261) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~state_8~0#1| |ULTIMATE.start_main_~var_4~0#1|) (= |ULTIMATE.start_main_~state_5~0#1| |ULTIMATE.start_main_~var_4~0#1|) (= |ULTIMATE.start_main_~var_4~0#1| |ULTIMATE.start_main_~state_43~0#1|) (= |ULTIMATE.start_main_~var_4~0#1| |ULTIMATE.start_main_~state_25~0#1|) (= |ULTIMATE.start_main_~var_4~0#1| (_ bv0 8))) [2022-11-22 01:55:16,628 INFO L899 garLoopResultBuilder]: For program point L49-3(lines 49 261) no Hoare annotation was computed. [2022-11-22 01:55:16,628 INFO L895 garLoopResultBuilder]: At program point L262(lines 22 263) the Hoare annotation is: false [2022-11-22 01:55:16,632 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 01:55:16,635 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:55:16,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:55:16 BoogieIcfgContainer [2022-11-22 01:55:16,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:55:16,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:55:16,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:55:16,652 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:55:16,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:55:13" (3/4) ... [2022-11-22 01:55:16,656 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:55:16,672 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-22 01:55:16,672 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 01:55:16,673 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:55:16,748 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:55:16,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:55:16,749 INFO L158 Benchmark]: Toolchain (without parser) took 4494.43ms. Allocated memory was 60.8MB in the beginning and 161.5MB in the end (delta: 100.7MB). Free memory was 30.0MB in the beginning and 76.2MB in the end (delta: -46.1MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2022-11-22 01:55:16,750 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 39.3MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:55:16,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.12ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 29.8MB in the beginning and 48.7MB in the end (delta: -18.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-11-22 01:55:16,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.01ms. Allocated memory is still 79.7MB. Free memory was 48.7MB in the beginning and 45.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:55:16,751 INFO L158 Benchmark]: Boogie Preprocessor took 56.87ms. Allocated memory is still 79.7MB. Free memory was 45.7MB in the beginning and 43.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:55:16,752 INFO L158 Benchmark]: RCFGBuilder took 660.56ms. Allocated memory is still 79.7MB. Free memory was 43.6MB in the beginning and 39.5MB in the end (delta: 4.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-11-22 01:55:16,752 INFO L158 Benchmark]: TraceAbstraction took 3156.94ms. Allocated memory was 79.7MB in the beginning and 161.5MB in the end (delta: 81.8MB). Free memory was 38.8MB in the beginning and 80.4MB in the end (delta: -41.6MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2022-11-22 01:55:16,752 INFO L158 Benchmark]: Witness Printer took 97.64ms. Allocated memory is still 161.5MB. Free memory was 80.4MB in the beginning and 76.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:55:16,755 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 39.3MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.12ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 29.8MB in the beginning and 48.7MB in the end (delta: -18.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.01ms. Allocated memory is still 79.7MB. Free memory was 48.7MB in the beginning and 45.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.87ms. Allocated memory is still 79.7MB. Free memory was 45.7MB in the beginning and 43.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 660.56ms. Allocated memory is still 79.7MB. Free memory was 43.6MB in the beginning and 39.5MB in the end (delta: 4.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3156.94ms. Allocated memory was 79.7MB in the beginning and 161.5MB in the end (delta: 81.8MB). Free memory was 38.8MB in the beginning and 80.4MB in the end (delta: -41.6MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Witness Printer took 97.64ms. Allocated memory is still 161.5MB. Free memory was 80.4MB in the beginning and 76.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 20 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 23 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 158 NumberOfNonLiveVariables, 217 ConjunctsInSsa, 143 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((((1bv8 == mask_SORT_1 && state_8 == var_4) && state_5 == var_4) && var_4 == state_43) && var_4 == state_25) && var_4 == 0bv8 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-22 01:55:16,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_784083d3-8c5c-4abd-9a4f-b6c64b39c3b9/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE