./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh --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 326521f65d530a85812f1d291278e004c4dab91ba597589c76a106156950042a --- 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-2329fc7 [2022-12-14 06:35:57,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:35:57,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:35:57,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:35:57,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:35:57,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:35:57,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:35:57,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:35:57,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:35:57,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:35:57,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:35:57,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:35:57,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:35:57,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:35:57,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:35:57,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:35:57,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:35:57,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:35:57,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:35:57,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:35:57,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:35:57,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:35:57,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:35:57,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:35:57,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:35:57,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:35:57,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:35:57,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:35:57,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:35:57,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:35:57,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:35:57,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:35:57,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:35:57,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:35:57,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:35:57,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:35:57,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:35:57,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:35:57,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:35:57,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:35:57,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:35:57,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 06:35:57,116 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:35:57,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:35:57,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:35:57,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:35:57,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:35:57,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:35:57,117 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:35:57,117 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:35:57,117 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:35:57,117 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:35:57,118 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:35:57,118 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:35:57,118 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:35:57,118 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:35:57,118 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:35:57,118 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:35:57,118 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:35:57,119 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:35:57,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:35:57,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:35:57,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:35:57,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:35:57,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:35:57,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:35:57,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:35:57,120 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:35:57,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:35:57,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:35:57,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:35:57,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:35:57,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:35:57,121 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:35:57,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:35:57,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:35:57,122 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:35:57,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:35:57,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:35:57,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:35:57,122 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_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 326521f65d530a85812f1d291278e004c4dab91ba597589c76a106156950042a [2022-12-14 06:35:57,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:35:57,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:35:57,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:35:57,306 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:35:57,306 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:35:57,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2022-12-14 06:35:59,796 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:35:59,977 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:35:59,977 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2022-12-14 06:35:59,984 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/data/e942ce3b9/6d3b2c16287b4ffbaa05d01268028037/FLAG74f42870c [2022-12-14 06:36:00,389 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/data/e942ce3b9/6d3b2c16287b4ffbaa05d01268028037 [2022-12-14 06:36:00,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:36:00,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:36:00,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:36:00,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:36:00,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:36:00,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:00" (1/1) ... [2022-12-14 06:36:00,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d629dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:00, skipping insertion in model container [2022-12-14 06:36:00,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:00" (1/1) ... [2022-12-14 06:36:00,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:36:00,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:36:00,575 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_607925b5-0eaa-43e9-bc08-a8cfca73e764/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1107,1120] [2022-12-14 06:36:00,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:36:00,693 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:36:00,701 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_607925b5-0eaa-43e9-bc08-a8cfca73e764/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1107,1120] [2022-12-14 06:36:00,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:36:00,778 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:36:00,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:00 WrapperNode [2022-12-14 06:36:00,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:36:00,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:36:00,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:36:00,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:36:00,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:00" (1/1) ... [2022-12-14 06:36:00,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:00" (1/1) ... [2022-12-14 06:36:00,831 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 763 [2022-12-14 06:36:00,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:36:00,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:36:00,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:36:00,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:36:00,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:00" (1/1) ... [2022-12-14 06:36:00,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:00" (1/1) ... [2022-12-14 06:36:00,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:00" (1/1) ... [2022-12-14 06:36:00,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:00" (1/1) ... [2022-12-14 06:36:00,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:00" (1/1) ... [2022-12-14 06:36:00,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:00" (1/1) ... [2022-12-14 06:36:00,862 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:00" (1/1) ... [2022-12-14 06:36:00,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:00" (1/1) ... [2022-12-14 06:36:00,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:36:00,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:36:00,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:36:00,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:36:00,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:00" (1/1) ... [2022-12-14 06:36:00,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:36:00,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:36:00,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:36:00,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:36:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:36:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:36:01,100 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:36:01,101 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:36:02,998 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:36:03,016 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:36:03,016 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 06:36:03,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:36:03 BoogieIcfgContainer [2022-12-14 06:36:03,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:36:03,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:36:03,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:36:03,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:36:03,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:36:00" (1/3) ... [2022-12-14 06:36:03,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4631f7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:36:03, skipping insertion in model container [2022-12-14 06:36:03,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:00" (2/3) ... [2022-12-14 06:36:03,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4631f7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:36:03, skipping insertion in model container [2022-12-14 06:36:03,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:36:03" (3/3) ... [2022-12-14 06:36:03,024 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.Huffman_dec.c [2022-12-14 06:36:03,038 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:36:03,038 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 06:36:03,072 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:36:03,076 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;@6a24a0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:36:03,076 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 06:36:03,079 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) [2022-12-14 06:36:03,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 06:36:03,084 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:36:03,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 06:36:03,084 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:36:03,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:36:03,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-12-14 06:36:03,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:36:03,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371269087] [2022-12-14 06:36:03,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:36:03,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:36:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:36:03,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 06:36:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:36:04,371 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 06:36:04,372 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 06:36:04,373 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 06:36:04,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:36:04,378 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 06:36:04,381 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:36:04,404 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 06:36:04,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:36:04 BoogieIcfgContainer [2022-12-14 06:36:04,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:36:04,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:36:04,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:36:04,414 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:36:04,414 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:36:03" (3/4) ... [2022-12-14 06:36:04,417 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 06:36:04,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:36:04,418 INFO L158 Benchmark]: Toolchain (without parser) took 4018.99ms. Allocated memory was 146.8MB in the beginning and 367.0MB in the end (delta: 220.2MB). Free memory was 111.6MB in the beginning and 308.5MB in the end (delta: -196.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2022-12-14 06:36:04,418 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 107.0MB. Free memory was 81.6MB in the beginning and 81.5MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:36:04,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.71ms. Allocated memory is still 146.8MB. Free memory was 111.6MB in the beginning and 83.0MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 06:36:04,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.17ms. Allocated memory is still 146.8MB. Free memory was 83.0MB in the beginning and 76.0MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 06:36:04,419 INFO L158 Benchmark]: Boogie Preprocessor took 39.17ms. Allocated memory is still 146.8MB. Free memory was 76.0MB in the beginning and 71.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 06:36:04,420 INFO L158 Benchmark]: RCFGBuilder took 2146.39ms. Allocated memory was 146.8MB in the beginning and 268.4MB in the end (delta: 121.6MB). Free memory was 71.8MB in the beginning and 93.5MB in the end (delta: -21.7MB). Peak memory consumption was 125.5MB. Max. memory is 16.1GB. [2022-12-14 06:36:04,420 INFO L158 Benchmark]: TraceAbstraction took 1394.09ms. Allocated memory was 268.4MB in the beginning and 367.0MB in the end (delta: 98.6MB). Free memory was 92.4MB in the beginning and 309.5MB in the end (delta: -217.1MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-12-14 06:36:04,421 INFO L158 Benchmark]: Witness Printer took 3.27ms. Allocated memory is still 367.0MB. Free memory was 309.5MB in the beginning and 308.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:36:04,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 107.0MB. Free memory was 81.6MB in the beginning and 81.5MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.71ms. Allocated memory is still 146.8MB. Free memory was 111.6MB in the beginning and 83.0MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.17ms. Allocated memory is still 146.8MB. Free memory was 83.0MB in the beginning and 76.0MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.17ms. Allocated memory is still 146.8MB. Free memory was 76.0MB in the beginning and 71.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2146.39ms. Allocated memory was 146.8MB in the beginning and 268.4MB in the end (delta: 121.6MB). Free memory was 71.8MB in the beginning and 93.5MB in the end (delta: -21.7MB). Peak memory consumption was 125.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1394.09ms. Allocated memory was 268.4MB in the beginning and 367.0MB in the end (delta: 98.6MB). Free memory was 92.4MB in the beginning and 309.5MB in the end (delta: -217.1MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Witness Printer took 3.27ms. Allocated memory is still 367.0MB. Free memory was 309.5MB in the beginning and 308.5MB in the end (delta: 1.0MB). 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 434, overapproximation of bitwiseAnd at line 149. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L34] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L35] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L37] const SORT_142 mask_SORT_142 = (SORT_142)-1 >> (sizeof(SORT_142) * 8 - 8); [L38] const SORT_142 msb_SORT_142 = (SORT_142)1 << (8 - 1); [L40] const SORT_163 mask_SORT_163 = (SORT_163)-1 >> (sizeof(SORT_163) * 8 - 22); [L41] const SORT_163 msb_SORT_163 = (SORT_163)1 << (22 - 1); [L43] const SORT_165 mask_SORT_165 = (SORT_165)-1 >> (sizeof(SORT_165) * 8 - 9); [L44] const SORT_165 msb_SORT_165 = (SORT_165)1 << (9 - 1); [L46] const SORT_180 mask_SORT_180 = (SORT_180)-1 >> (sizeof(SORT_180) * 8 - 27); [L47] const SORT_180 msb_SORT_180 = (SORT_180)1 << (27 - 1); [L49] const SORT_5 var_6 = 0; [L50] const SORT_5 var_7 = 74; [L51] const SORT_8 var_9 = 0; [L52] const SORT_5 var_13 = 610; [L53] const SORT_5 var_16 = 90; [L54] const SORT_5 var_18 = 609; [L55] const SORT_5 var_21 = 88; [L56] const SORT_5 var_23 = 306; [L57] const SORT_5 var_26 = 75; [L58] const SORT_5 var_28 = 305; [L59] const SORT_5 var_31 = 81; [L60] const SORT_5 var_33 = 303; [L61] const SORT_5 var_36 = 86; [L62] const SORT_5 var_38 = 244; [L63] const SORT_5 var_41 = 66; [L64] const SORT_5 var_43 = 243; [L65] const SORT_5 var_46 = 77; [L66] const SORT_5 var_48 = 122; [L67] const SORT_5 var_51 = 89; [L68] const SORT_5 var_55 = 71; [L69] const SORT_5 var_59 = 87; [L70] const SORT_5 var_61 = 76; [L71] const SORT_5 var_64 = 68; [L72] const SORT_5 var_66 = 59; [L73] const SORT_5 var_69 = 72; [L74] const SORT_5 var_71 = 43; [L75] const SORT_5 var_75 = 38; [L76] const SORT_5 var_78 = 67; [L77] const SORT_5 var_80 = 34; [L78] const SORT_5 var_83 = 70; [L79] const SORT_5 var_85 = 33; [L80] const SORT_5 var_88 = 80; [L81] const SORT_5 var_90 = 32; [L82] const SORT_5 var_93 = 85; [L83] const SORT_5 var_95 = 31; [L84] const SORT_5 var_98 = 84; [L85] const SORT_5 var_100 = 30; [L86] const SORT_5 var_103 = 78; [L87] const SORT_5 var_105 = 26; [L88] const SORT_5 var_108 = 82; [L89] const SORT_5 var_110 = 25; [L90] const SORT_5 var_113 = 79; [L91] const SORT_5 var_115 = 24; [L92] const SORT_5 var_118 = 73; [L93] const SORT_5 var_120 = 23; [L94] const SORT_5 var_123 = 65; [L95] const SORT_5 var_125 = 22; [L96] const SORT_5 var_128 = 83; [L97] const SORT_5 var_130 = 17; [L98] const SORT_5 var_134 = 13; [L99] const SORT_5 var_137 = 69; [L100] const SORT_5 var_139 = 9; [L101] const SORT_5 var_145 = 255; [L102] const SORT_3 var_148 = 1; [L103] const SORT_3 var_162 = 0; [L104] const SORT_163 var_164 = 0; [L105] const SORT_5 var_170 = 1; [L106] const SORT_5 var_171 = 2; [L107] const SORT_8 var_179 = 908; [L108] const SORT_180 var_181 = 0; [L109] const SORT_8 var_191 = 652; [L110] const SORT_8 var_195 = 460; [L111] const SORT_8 var_199 = 332; [L112] const SORT_8 var_203 = 268; [L113] const SORT_8 var_207 = 215; [L114] const SORT_8 var_211 = 151; [L115] const SORT_8 var_215 = 119; [L116] const SORT_8 var_219 = 118; [L117] const SORT_8 var_223 = 86; [L118] const SORT_8 var_227 = 108; [L119] const SORT_8 var_231 = 39; [L120] const SORT_8 var_235 = 38; [L121] const SORT_8 var_239 = 60; [L122] const SORT_8 var_243 = 56; [L123] const SORT_8 var_247 = 40; [L124] const SORT_8 var_251 = 48; [L125] const SORT_8 var_255 = 32; [L126] const SORT_8 var_259 = 31; [L127] const SORT_8 var_263 = 29; [L128] const SORT_8 var_267 = 21; [L129] const SORT_8 var_271 = 25; [L130] const SORT_8 var_275 = 17; [L131] const SORT_8 var_279 = 30; [L132] const SORT_8 var_283 = 20; [L133] const SORT_8 var_287 = 11; [L134] const SORT_8 var_291 = 10; [L136] SORT_1 input_2; [L137] SORT_3 input_4; [L138] SORT_142 input_152; [L139] SORT_3 input_154; [L141] SORT_8 state_10 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L142] SORT_8 state_161 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L144] SORT_8 init_11_arg_1 = var_9; [L145] state_10 = init_11_arg_1 VAL [init_11_arg_1=0, mask_SORT_1=31, mask_SORT_142=255, mask_SORT_163=4294967295, mask_SORT_165=511, mask_SORT_180=4294967295, mask_SORT_3=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_1=16, msb_SORT_142=128, msb_SORT_163=2097152, msb_SORT_165=256, msb_SORT_180=67108864, msb_SORT_3=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_10=0, state_161=0, var_100=30, var_103=78, var_105=26, var_108=82, var_110=25, var_113=79, var_115=24, var_118=73, var_120=23, var_123=65, var_125=22, var_128=83, var_13=610, var_130=17, var_134=13, var_137=69, var_139=9, var_145=255, var_148=1, var_16=90, var_162=0, var_164=0, var_170=1, var_171=2, var_179=908, var_18=609, var_181=0, var_191=652, var_195=460, var_199=332, var_203=268, var_207=215, var_21=88, var_211=151, var_215=119, var_219=118, var_223=86, var_227=108, var_23=306, var_231=39, var_235=38, var_239=60, var_243=56, var_247=40, var_251=48, var_255=32, var_259=31, var_26=75, var_263=29, var_267=21, var_271=25, var_275=17, var_279=30, var_28=305, var_283=20, var_287=11, var_291=10, var_31=81, var_33=303, var_36=86, var_38=244, var_41=66, var_43=243, var_46=77, var_48=122, var_51=89, var_55=71, var_59=87, var_6=0, var_61=76, var_64=68, var_66=59, var_69=72, var_7=74, var_71=43, var_75=38, var_78=67, var_80=34, var_83=70, var_85=33, var_88=80, var_9=0, var_90=32, var_93=85, var_95=31, var_98=84] [L148] input_2 = __VERIFIER_nondet_uchar() [L149] input_2 = input_2 & mask_SORT_1 [L150] input_4 = __VERIFIER_nondet_uchar() [L151] input_152 = __VERIFIER_nondet_uchar() [L152] input_154 = __VERIFIER_nondet_uchar() [L155] SORT_8 var_138_arg_0 = state_10; [L156] var_138_arg_0 = var_138_arg_0 & mask_SORT_8 [L157] SORT_5 var_138 = var_138_arg_0; [L158] SORT_5 var_140_arg_0 = var_138; [L159] SORT_5 var_140_arg_1 = var_139; [L160] SORT_3 var_140 = var_140_arg_0 == var_140_arg_1; [L161] SORT_8 var_133_arg_0 = state_10; [L162] var_133_arg_0 = var_133_arg_0 & mask_SORT_8 [L163] SORT_5 var_133 = var_133_arg_0; [L164] SORT_5 var_135_arg_0 = var_133; [L165] SORT_5 var_135_arg_1 = var_134; [L166] SORT_3 var_135 = var_135_arg_0 == var_135_arg_1; [L167] SORT_8 var_129_arg_0 = state_10; [L168] var_129_arg_0 = var_129_arg_0 & mask_SORT_8 [L169] SORT_5 var_129 = var_129_arg_0; [L170] SORT_5 var_131_arg_0 = var_129; [L171] SORT_5 var_131_arg_1 = var_130; [L172] SORT_3 var_131 = var_131_arg_0 == var_131_arg_1; [L173] SORT_8 var_124_arg_0 = state_10; [L174] var_124_arg_0 = var_124_arg_0 & mask_SORT_8 [L175] SORT_5 var_124 = var_124_arg_0; [L176] SORT_5 var_126_arg_0 = var_124; [L177] SORT_5 var_126_arg_1 = var_125; [L178] SORT_3 var_126 = var_126_arg_0 == var_126_arg_1; [L179] SORT_8 var_119_arg_0 = state_10; [L180] var_119_arg_0 = var_119_arg_0 & mask_SORT_8 [L181] SORT_5 var_119 = var_119_arg_0; [L182] SORT_5 var_121_arg_0 = var_119; [L183] SORT_5 var_121_arg_1 = var_120; [L184] SORT_3 var_121 = var_121_arg_0 == var_121_arg_1; [L185] SORT_8 var_114_arg_0 = state_10; [L186] var_114_arg_0 = var_114_arg_0 & mask_SORT_8 [L187] SORT_5 var_114 = var_114_arg_0; [L188] SORT_5 var_116_arg_0 = var_114; [L189] SORT_5 var_116_arg_1 = var_115; [L190] SORT_3 var_116 = var_116_arg_0 == var_116_arg_1; [L191] SORT_8 var_109_arg_0 = state_10; [L192] var_109_arg_0 = var_109_arg_0 & mask_SORT_8 [L193] SORT_5 var_109 = var_109_arg_0; [L194] SORT_5 var_111_arg_0 = var_109; [L195] SORT_5 var_111_arg_1 = var_110; [L196] SORT_3 var_111 = var_111_arg_0 == var_111_arg_1; [L197] SORT_8 var_104_arg_0 = state_10; [L198] var_104_arg_0 = var_104_arg_0 & mask_SORT_8 [L199] SORT_5 var_104 = var_104_arg_0; [L200] SORT_5 var_106_arg_0 = var_104; [L201] SORT_5 var_106_arg_1 = var_105; [L202] SORT_3 var_106 = var_106_arg_0 == var_106_arg_1; [L203] SORT_8 var_99_arg_0 = state_10; [L204] var_99_arg_0 = var_99_arg_0 & mask_SORT_8 [L205] SORT_5 var_99 = var_99_arg_0; [L206] SORT_5 var_101_arg_0 = var_99; [L207] SORT_5 var_101_arg_1 = var_100; [L208] SORT_3 var_101 = var_101_arg_0 == var_101_arg_1; [L209] SORT_8 var_94_arg_0 = state_10; [L210] var_94_arg_0 = var_94_arg_0 & mask_SORT_8 [L211] SORT_5 var_94 = var_94_arg_0; [L212] SORT_5 var_96_arg_0 = var_94; [L213] SORT_5 var_96_arg_1 = var_95; [L214] SORT_3 var_96 = var_96_arg_0 == var_96_arg_1; [L215] SORT_8 var_89_arg_0 = state_10; [L216] var_89_arg_0 = var_89_arg_0 & mask_SORT_8 [L217] SORT_5 var_89 = var_89_arg_0; [L218] SORT_5 var_91_arg_0 = var_89; [L219] SORT_5 var_91_arg_1 = var_90; [L220] SORT_3 var_91 = var_91_arg_0 == var_91_arg_1; [L221] SORT_8 var_84_arg_0 = state_10; [L222] var_84_arg_0 = var_84_arg_0 & mask_SORT_8 [L223] SORT_5 var_84 = var_84_arg_0; [L224] SORT_5 var_86_arg_0 = var_84; [L225] SORT_5 var_86_arg_1 = var_85; [L226] SORT_3 var_86 = var_86_arg_0 == var_86_arg_1; [L227] SORT_8 var_79_arg_0 = state_10; [L228] var_79_arg_0 = var_79_arg_0 & mask_SORT_8 [L229] SORT_5 var_79 = var_79_arg_0; [L230] SORT_5 var_81_arg_0 = var_79; [L231] SORT_5 var_81_arg_1 = var_80; [L232] SORT_3 var_81 = var_81_arg_0 == var_81_arg_1; [L233] SORT_8 var_74_arg_0 = state_10; [L234] var_74_arg_0 = var_74_arg_0 & mask_SORT_8 [L235] SORT_5 var_74 = var_74_arg_0; [L236] SORT_5 var_76_arg_0 = var_74; [L237] SORT_5 var_76_arg_1 = var_75; [L238] SORT_3 var_76 = var_76_arg_0 == var_76_arg_1; [L239] SORT_8 var_70_arg_0 = state_10; [L240] var_70_arg_0 = var_70_arg_0 & mask_SORT_8 [L241] SORT_5 var_70 = var_70_arg_0; [L242] SORT_5 var_72_arg_0 = var_70; [L243] SORT_5 var_72_arg_1 = var_71; [L244] SORT_3 var_72 = var_72_arg_0 == var_72_arg_1; [L245] SORT_8 var_65_arg_0 = state_10; [L246] var_65_arg_0 = var_65_arg_0 & mask_SORT_8 [L247] SORT_5 var_65 = var_65_arg_0; [L248] SORT_5 var_67_arg_0 = var_65; [L249] SORT_5 var_67_arg_1 = var_66; [L250] SORT_3 var_67 = var_67_arg_0 == var_67_arg_1; [L251] SORT_8 var_60_arg_0 = state_10; [L252] var_60_arg_0 = var_60_arg_0 & mask_SORT_8 [L253] SORT_5 var_60 = var_60_arg_0; [L254] SORT_5 var_62_arg_0 = var_60; [L255] SORT_5 var_62_arg_1 = var_61; [L256] SORT_3 var_62 = var_62_arg_0 == var_62_arg_1; [L257] SORT_8 var_56_arg_0 = state_10; [L258] var_56_arg_0 = var_56_arg_0 & mask_SORT_8 [L259] SORT_5 var_56 = var_56_arg_0; [L260] SORT_5 var_57_arg_0 = var_56; [L261] SORT_5 var_57_arg_1 = var_51; [L262] SORT_3 var_57 = var_57_arg_0 == var_57_arg_1; [L263] SORT_8 var_52_arg_0 = state_10; [L264] var_52_arg_0 = var_52_arg_0 & mask_SORT_8 [L265] SORT_5 var_52 = var_52_arg_0; [L266] SORT_5 var_53_arg_0 = var_52; [L267] SORT_5 var_53_arg_1 = var_16; [L268] SORT_3 var_53 = var_53_arg_0 == var_53_arg_1; [L269] SORT_8 var_47_arg_0 = state_10; [L270] var_47_arg_0 = var_47_arg_0 & mask_SORT_8 [L271] SORT_5 var_47 = var_47_arg_0; [L272] SORT_5 var_49_arg_0 = var_47; [L273] SORT_5 var_49_arg_1 = var_48; [L274] SORT_3 var_49 = var_49_arg_0 == var_49_arg_1; [L275] SORT_8 var_42_arg_0 = state_10; [L276] var_42_arg_0 = var_42_arg_0 & mask_SORT_8 [L277] SORT_5 var_42 = var_42_arg_0; [L278] SORT_5 var_44_arg_0 = var_42; [L279] SORT_5 var_44_arg_1 = var_43; [L280] SORT_3 var_44 = var_44_arg_0 == var_44_arg_1; [L281] SORT_8 var_37_arg_0 = state_10; [L282] var_37_arg_0 = var_37_arg_0 & mask_SORT_8 [L283] SORT_5 var_37 = var_37_arg_0; [L284] SORT_5 var_39_arg_0 = var_37; [L285] SORT_5 var_39_arg_1 = var_38; [L286] SORT_3 var_39 = var_39_arg_0 == var_39_arg_1; [L287] SORT_8 var_32_arg_0 = state_10; [L288] var_32_arg_0 = var_32_arg_0 & mask_SORT_8 [L289] SORT_5 var_32 = var_32_arg_0; [L290] SORT_5 var_34_arg_0 = var_32; [L291] SORT_5 var_34_arg_1 = var_33; [L292] SORT_3 var_34 = var_34_arg_0 == var_34_arg_1; [L293] SORT_8 var_27_arg_0 = state_10; [L294] var_27_arg_0 = var_27_arg_0 & mask_SORT_8 [L295] SORT_5 var_27 = var_27_arg_0; [L296] SORT_5 var_29_arg_0 = var_27; [L297] SORT_5 var_29_arg_1 = var_28; [L298] SORT_3 var_29 = var_29_arg_0 == var_29_arg_1; [L299] SORT_8 var_22_arg_0 = state_10; [L300] var_22_arg_0 = var_22_arg_0 & mask_SORT_8 [L301] SORT_5 var_22 = var_22_arg_0; [L302] SORT_5 var_24_arg_0 = var_22; [L303] SORT_5 var_24_arg_1 = var_23; [L304] SORT_3 var_24 = var_24_arg_0 == var_24_arg_1; [L305] SORT_8 var_17_arg_0 = state_10; [L306] var_17_arg_0 = var_17_arg_0 & mask_SORT_8 [L307] SORT_5 var_17 = var_17_arg_0; [L308] SORT_5 var_19_arg_0 = var_17; [L309] SORT_5 var_19_arg_1 = var_18; [L310] SORT_3 var_19 = var_19_arg_0 == var_19_arg_1; [L311] SORT_8 var_12_arg_0 = state_10; [L312] var_12_arg_0 = var_12_arg_0 & mask_SORT_8 [L313] SORT_5 var_12 = var_12_arg_0; [L314] SORT_5 var_14_arg_0 = var_12; [L315] SORT_5 var_14_arg_1 = var_13; [L316] SORT_3 var_14 = var_14_arg_0 == var_14_arg_1; [L317] SORT_3 var_15_arg_0 = var_14; [L318] SORT_5 var_15_arg_1 = var_7; [L319] SORT_5 var_15_arg_2 = var_6; [L320] SORT_5 var_15 = var_15_arg_0 ? var_15_arg_1 : var_15_arg_2; [L321] SORT_3 var_20_arg_0 = var_19; [L322] SORT_5 var_20_arg_1 = var_16; [L323] SORT_5 var_20_arg_2 = var_15; [L324] SORT_5 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L325] SORT_3 var_25_arg_0 = var_24; [L326] SORT_5 var_25_arg_1 = var_21; [L327] SORT_5 var_25_arg_2 = var_20; [L328] SORT_5 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L329] SORT_3 var_30_arg_0 = var_29; [L330] SORT_5 var_30_arg_1 = var_26; [L331] SORT_5 var_30_arg_2 = var_25; [L332] SORT_5 var_30 = var_30_arg_0 ? var_30_arg_1 : var_30_arg_2; [L333] SORT_3 var_35_arg_0 = var_34; [L334] SORT_5 var_35_arg_1 = var_31; [L335] SORT_5 var_35_arg_2 = var_30; [L336] SORT_5 var_35 = var_35_arg_0 ? var_35_arg_1 : var_35_arg_2; [L337] SORT_3 var_40_arg_0 = var_39; [L338] SORT_5 var_40_arg_1 = var_36; [L339] SORT_5 var_40_arg_2 = var_35; [L340] SORT_5 var_40 = var_40_arg_0 ? var_40_arg_1 : var_40_arg_2; [L341] SORT_3 var_45_arg_0 = var_44; [L342] SORT_5 var_45_arg_1 = var_41; [L343] SORT_5 var_45_arg_2 = var_40; [L344] SORT_5 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L345] SORT_3 var_50_arg_0 = var_49; [L346] SORT_5 var_50_arg_1 = var_46; [L347] SORT_5 var_50_arg_2 = var_45; [L348] SORT_5 var_50 = var_50_arg_0 ? var_50_arg_1 : var_50_arg_2; [L349] SORT_3 var_54_arg_0 = var_53; [L350] SORT_5 var_54_arg_1 = var_51; [L351] SORT_5 var_54_arg_2 = var_50; [L352] SORT_5 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L353] SORT_3 var_58_arg_0 = var_57; [L354] SORT_5 var_58_arg_1 = var_55; [L355] SORT_5 var_58_arg_2 = var_54; [L356] SORT_5 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L357] SORT_3 var_63_arg_0 = var_62; [L358] SORT_5 var_63_arg_1 = var_59; [L359] SORT_5 var_63_arg_2 = var_58; [L360] SORT_5 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L361] SORT_3 var_68_arg_0 = var_67; [L362] SORT_5 var_68_arg_1 = var_64; [L363] SORT_5 var_68_arg_2 = var_63; [L364] SORT_5 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L365] SORT_3 var_73_arg_0 = var_72; [L366] SORT_5 var_73_arg_1 = var_69; [L367] SORT_5 var_73_arg_2 = var_68; [L368] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L369] SORT_3 var_77_arg_0 = var_76; [L370] SORT_5 var_77_arg_1 = var_61; [L371] SORT_5 var_77_arg_2 = var_73; [L372] SORT_5 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L373] SORT_3 var_82_arg_0 = var_81; [L374] SORT_5 var_82_arg_1 = var_78; [L375] SORT_5 var_82_arg_2 = var_77; [L376] SORT_5 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L377] SORT_3 var_87_arg_0 = var_86; [L378] SORT_5 var_87_arg_1 = var_83; [L379] SORT_5 var_87_arg_2 = var_82; [L380] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L381] SORT_3 var_92_arg_0 = var_91; [L382] SORT_5 var_92_arg_1 = var_88; [L383] SORT_5 var_92_arg_2 = var_87; [L384] SORT_5 var_92 = var_92_arg_0 ? var_92_arg_1 : var_92_arg_2; [L385] SORT_3 var_97_arg_0 = var_96; [L386] SORT_5 var_97_arg_1 = var_93; [L387] SORT_5 var_97_arg_2 = var_92; [L388] SORT_5 var_97 = var_97_arg_0 ? var_97_arg_1 : var_97_arg_2; [L389] SORT_3 var_102_arg_0 = var_101; [L390] SORT_5 var_102_arg_1 = var_98; [L391] SORT_5 var_102_arg_2 = var_97; [L392] SORT_5 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L393] SORT_3 var_107_arg_0 = var_106; [L394] SORT_5 var_107_arg_1 = var_103; [L395] SORT_5 var_107_arg_2 = var_102; [L396] SORT_5 var_107 = var_107_arg_0 ? var_107_arg_1 : var_107_arg_2; [L397] SORT_3 var_112_arg_0 = var_111; [L398] SORT_5 var_112_arg_1 = var_108; [L399] SORT_5 var_112_arg_2 = var_107; [L400] SORT_5 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L401] SORT_3 var_117_arg_0 = var_116; [L402] SORT_5 var_117_arg_1 = var_113; [L403] SORT_5 var_117_arg_2 = var_112; [L404] SORT_5 var_117 = var_117_arg_0 ? var_117_arg_1 : var_117_arg_2; [L405] SORT_3 var_122_arg_0 = var_121; [L406] SORT_5 var_122_arg_1 = var_118; [L407] SORT_5 var_122_arg_2 = var_117; [L408] SORT_5 var_122 = var_122_arg_0 ? var_122_arg_1 : var_122_arg_2; [L409] SORT_3 var_127_arg_0 = var_126; [L410] SORT_5 var_127_arg_1 = var_123; [L411] SORT_5 var_127_arg_2 = var_122; [L412] SORT_5 var_127 = var_127_arg_0 ? var_127_arg_1 : var_127_arg_2; [L413] SORT_3 var_132_arg_0 = var_131; [L414] SORT_5 var_132_arg_1 = var_128; [L415] SORT_5 var_132_arg_2 = var_127; [L416] SORT_5 var_132 = var_132_arg_0 ? var_132_arg_1 : var_132_arg_2; [L417] SORT_3 var_136_arg_0 = var_135; [L418] SORT_5 var_136_arg_1 = var_90; [L419] SORT_5 var_136_arg_2 = var_132; [L420] SORT_5 var_136 = var_136_arg_0 ? var_136_arg_1 : var_136_arg_2; [L421] SORT_3 var_141_arg_0 = var_140; [L422] SORT_5 var_141_arg_1 = var_137; [L423] SORT_5 var_141_arg_2 = var_136; [L424] SORT_5 var_141 = var_141_arg_0 ? var_141_arg_1 : var_141_arg_2; [L425] SORT_5 var_143_arg_0 = var_141; [L426] SORT_142 var_143 = var_143_arg_0 >> 0; [L427] SORT_142 var_144_arg_0 = var_143; [L428] var_144_arg_0 = var_144_arg_0 & mask_SORT_142 [L429] SORT_5 var_144 = var_144_arg_0; [L430] SORT_5 var_146_arg_0 = var_144; [L431] SORT_5 var_146_arg_1 = var_145; [L432] SORT_3 var_146 = var_146_arg_0 == var_146_arg_1; [L433] SORT_3 var_147_arg_0 = var_146; [L434] SORT_3 var_147 = ~var_147_arg_0; [L435] SORT_3 var_149_arg_0 = var_147; [L436] SORT_3 var_149 = ~var_149_arg_0; [L437] SORT_3 var_150_arg_0 = var_148; [L438] SORT_3 var_150_arg_1 = var_149; [L439] SORT_3 var_150 = var_150_arg_0 & var_150_arg_1; [L440] var_150 = var_150 & mask_SORT_3 [L441] SORT_3 bad_151_arg_0 = var_150; [L442] CALL __VERIFIER_assert(!(bad_151_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: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s 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 [2022-12-14 06:36:04,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/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_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh --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 326521f65d530a85812f1d291278e004c4dab91ba597589c76a106156950042a --- 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-2329fc7 [2022-12-14 06:36:06,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:36:06,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:36:06,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:36:06,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:36:06,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:36:06,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:36:06,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:36:06,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:36:06,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:36:06,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:36:06,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:36:06,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:36:06,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:36:06,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:36:06,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:36:06,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:36:06,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:36:06,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:36:06,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:36:06,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:36:06,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:36:06,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:36:06,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:36:06,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:36:06,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:36:06,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:36:06,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:36:06,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:36:06,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:36:06,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:36:06,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:36:06,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:36:06,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:36:06,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:36:06,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:36:06,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:36:06,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:36:06,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:36:06,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:36:06,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:36:06,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 06:36:06,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:36:06,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:36:06,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:36:06,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:36:06,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:36:06,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:36:06,141 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:36:06,142 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:36:06,142 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:36:06,142 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:36:06,142 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:36:06,142 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:36:06,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:36:06,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:36:06,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:36:06,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:36:06,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:36:06,144 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 06:36:06,144 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 06:36:06,144 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 06:36:06,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:36:06,145 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:36:06,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:36:06,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:36:06,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 06:36:06,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:36:06,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:36:06,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:36:06,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:36:06,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:36:06,146 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 06:36:06,147 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 06:36:06,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:36:06,147 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:36:06,147 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 06:36:06,147 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_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 326521f65d530a85812f1d291278e004c4dab91ba597589c76a106156950042a [2022-12-14 06:36:06,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:36:06,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:36:06,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:36:06,414 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:36:06,414 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:36:06,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2022-12-14 06:36:08,936 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:36:09,119 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:36:09,119 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2022-12-14 06:36:09,127 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/data/8492fb89c/a2b9392e06f84d66906cf44b3d5a1048/FLAGbdc5d4588 [2022-12-14 06:36:09,503 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/data/8492fb89c/a2b9392e06f84d66906cf44b3d5a1048 [2022-12-14 06:36:09,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:36:09,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:36:09,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:36:09,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:36:09,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:36:09,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:09" (1/1) ... [2022-12-14 06:36:09,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ac2c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:09, skipping insertion in model container [2022-12-14 06:36:09,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:09" (1/1) ... [2022-12-14 06:36:09,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:36:09,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:36:09,638 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_607925b5-0eaa-43e9-bc08-a8cfca73e764/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1107,1120] [2022-12-14 06:36:09,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:36:09,755 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:36:09,763 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_607925b5-0eaa-43e9-bc08-a8cfca73e764/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1107,1120] [2022-12-14 06:36:09,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:36:09,824 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:36:09,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:09 WrapperNode [2022-12-14 06:36:09,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:36:09,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:36:09,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:36:09,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:36:09,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:09" (1/1) ... [2022-12-14 06:36:09,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:09" (1/1) ... [2022-12-14 06:36:09,872 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 763 [2022-12-14 06:36:09,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:36:09,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:36:09,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:36:09,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:36:09,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:09" (1/1) ... [2022-12-14 06:36:09,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:09" (1/1) ... [2022-12-14 06:36:09,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:09" (1/1) ... [2022-12-14 06:36:09,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:09" (1/1) ... [2022-12-14 06:36:09,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:09" (1/1) ... [2022-12-14 06:36:09,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:09" (1/1) ... [2022-12-14 06:36:09,905 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:09" (1/1) ... [2022-12-14 06:36:09,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:09" (1/1) ... [2022-12-14 06:36:09,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:36:09,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:36:09,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:36:09,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:36:09,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:09" (1/1) ... [2022-12-14 06:36:09,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:36:09,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:36:09,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:36:09,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:36:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:36:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:36:10,150 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:36:10,152 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:36:10,636 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:36:10,643 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:36:10,643 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 06:36:10,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:36:10 BoogieIcfgContainer [2022-12-14 06:36:10,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:36:10,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:36:10,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:36:10,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:36:10,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:36:09" (1/3) ... [2022-12-14 06:36:10,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd4416f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:36:10, skipping insertion in model container [2022-12-14 06:36:10,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:09" (2/3) ... [2022-12-14 06:36:10,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd4416f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:36:10, skipping insertion in model container [2022-12-14 06:36:10,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:36:10" (3/3) ... [2022-12-14 06:36:10,653 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.Huffman_dec.c [2022-12-14 06:36:10,668 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:36:10,668 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 06:36:10,701 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:36:10,706 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;@dcea08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:36:10,706 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 06:36:10,709 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) [2022-12-14 06:36:10,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 06:36:10,713 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:36:10,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 06:36:10,714 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:36:10,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:36:10,718 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-14 06:36:10,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:36:10,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910830227] [2022-12-14 06:36:10,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:36:10,728 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 [2022-12-14 06:36:10,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:36:10,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/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) [2022-12-14 06:36:10,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/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 [2022-12-14 06:36:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:36:11,004 WARN L261 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 266 conjunts are in the unsatisfiable core [2022-12-14 06:36:11,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:36:13,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:36:13,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:36:13,763 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:36:13,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910830227] [2022-12-14 06:36:13,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1910830227] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:36:13,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:36:13,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:36:13,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978832973] [2022-12-14 06:36:13,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:36:13,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:36:13,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:36:13,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:36:13,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:36:13,799 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) [2022-12-14 06:36:14,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:36:14,007 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-14 06:36:14,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:36:14,009 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 [2022-12-14 06:36:14,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:36:14,015 INFO L225 Difference]: With dead ends: 20 [2022-12-14 06:36:14,015 INFO L226 Difference]: Without dead ends: 11 [2022-12-14 06:36:14,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:36:14,019 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:36:14,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:36:14,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-14 06:36:14,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-14 06:36:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-12-14 06:36:14,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-14 06:36:14,040 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-14 06:36:14,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:36:14,040 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-14 06:36:14,040 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) [2022-12-14 06:36:14,040 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-14 06:36:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 06:36:14,041 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:36:14,041 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-14 06:36:14,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/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 [2022-12-14 06:36:14,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/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 [2022-12-14 06:36:14,243 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:36:14,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:36:14,246 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-14 06:36:14,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:36:14,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422403100] [2022-12-14 06:36:14,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:36:14,254 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 [2022-12-14 06:36:14,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:36:14,259 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/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) [2022-12-14 06:36:14,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/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 (3)] Waiting until timeout for monitored process [2022-12-14 06:36:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:36:14,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 128 conjunts are in the unsatisfiable core [2022-12-14 06:36:14,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:36:16,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 06:36:16,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:36:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 06:36:19,944 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:36:19,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1422403100] [2022-12-14 06:36:19,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1422403100] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:36:19,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1150128921] [2022-12-14 06:36:19,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:36:19,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 06:36:19,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 06:36:19,968 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 06:36:19,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-12-14 06:36:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:36:20,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 128 conjunts are in the unsatisfiable core [2022-12-14 06:36:20,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:36:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 06:36:21,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:36:24,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 06:36:24,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1150128921] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:36:24,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291413583] [2022-12-14 06:36:24,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:36:24,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:36:24,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:36:24,682 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:36:24,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 06:36:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:36:24,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 180 conjunts are in the unsatisfiable core [2022-12-14 06:36:24,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:36:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:36:27,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:36:36,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:36:36,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291413583] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:36:36,444 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 06:36:36,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 6, 6] total 12 [2022-12-14 06:36:36,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096450057] [2022-12-14 06:36:36,445 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 06:36:36,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 06:36:36,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:36:36,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 06:36:36,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 06:36:36,447 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 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) [2022-12-14 06:36:38,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:36:38,938 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2022-12-14 06:36:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:36:38,939 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 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 8 [2022-12-14 06:36:38,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:36:38,939 INFO L225 Difference]: With dead ends: 16 [2022-12-14 06:36:38,939 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 06:36:38,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-12-14 06:36:38,940 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 22 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:36:38,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 10 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 06:36:38,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 06:36:38,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 06:36:38,941 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) [2022-12-14 06:36:38,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 06:36:38,941 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2022-12-14 06:36:38,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:36:38,942 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 06:36:38,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 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) [2022-12-14 06:36:38,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 06:36:38,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 06:36:38,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 06:36:38,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 06:36:39,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/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 (3)] Ended with exit code 0 [2022-12-14 06:36:39,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2022-12-14 06:36:39,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 06:36:39,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 06:36:40,681 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 06:36:40,681 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 06:36:40,682 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 22 788) the Hoare annotation is: false [2022-12-14 06:36:40,682 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 06:36:40,682 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-14 06:36:40,682 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-12-14 06:36:40,682 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-12-14 06:36:40,682 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-12-14 06:36:40,682 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-12-14 06:36:40,683 INFO L895 garLoopResultBuilder]: At program point L146-2(lines 146 786) the Hoare annotation is: (let ((.cse0 (= (_ bv83 32) |ULTIMATE.start_main_~var_128~0#1|)) (.cse1 (= (_ bv66 32) |ULTIMATE.start_main_~var_41~0#1|)) (.cse2 (= (_ bv85 32) |ULTIMATE.start_main_~var_93~0#1|)) (.cse3 (= (_ bv70 32) |ULTIMATE.start_main_~var_83~0#1|)) (.cse4 (= (_ bv84 32) |ULTIMATE.start_main_~var_98~0#1|)) (.cse5 (= (_ bv82 32) |ULTIMATE.start_main_~var_108~0#1|)) (.cse6 (= |ULTIMATE.start_main_~var_137~0#1| (_ bv69 32))) (.cse7 (= (_ bv68 32) |ULTIMATE.start_main_~var_64~0#1|)) (.cse8 (= (_ bv88 32) |ULTIMATE.start_main_~var_21~0#1|)) (.cse9 (= (_ bv86 32) |ULTIMATE.start_main_~var_36~0#1|)) (.cse10 (= (_ bv80 32) |ULTIMATE.start_main_~var_88~0#1|)) (.cse11 (= (_ bv76 32) |ULTIMATE.start_main_~var_61~0#1|)) (.cse12 (= (_ bv75 32) |ULTIMATE.start_main_~var_26~0#1|)) (.cse13 (= |ULTIMATE.start_main_~var_6~0#1| (_ bv0 32))) (.cse14 (= |ULTIMATE.start_main_~var_145~0#1| (_ bv255 32))) (.cse15 (= (_ bv78 32) |ULTIMATE.start_main_~var_103~0#1|)) (.cse16 (= |ULTIMATE.start_main_~var_123~0#1| (_ bv65 32))) (.cse17 (= (_ bv79 32) |ULTIMATE.start_main_~var_113~0#1|)) (.cse18 (= |ULTIMATE.start_main_~var_90~0#1| (_ bv32 32))) (.cse19 (= (_ bv89 32) |ULTIMATE.start_main_~var_51~0#1|)) (.cse20 (= (_ bv67 32) |ULTIMATE.start_main_~var_78~0#1|)) (.cse21 (= |ULTIMATE.start_main_~var_31~0#1| (_ bv81 32))) (.cse22 (= (_ bv72 32) |ULTIMATE.start_main_~var_69~0#1|)) (.cse23 (= (_ bv90 32) |ULTIMATE.start_main_~var_16~0#1|)) (.cse24 (= (_ bv73 32) |ULTIMATE.start_main_~var_118~0#1|)) (.cse25 (= (_ bv74 32) |ULTIMATE.start_main_~var_7~0#1|)) (.cse26 (= |ULTIMATE.start_main_~var_59~0#1| (_ bv87 32))) (.cse27 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse28 (= |ULTIMATE.start_main_~var_46~0#1| (_ bv77 32))) (.cse29 (= |ULTIMATE.start_main_~var_55~0#1| (_ bv71 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29) (and .cse0 .cse1 (= (_ bv25 32) |ULTIMATE.start_main_~var_110~0#1|) (= (_ bv33 32) |ULTIMATE.start_main_~var_85~0#1|) (= (_ bv122 32) |ULTIMATE.start_main_~var_48~0#1|) .cse2 (= (_ bv609 32) |ULTIMATE.start_main_~var_18~0#1|) (= (_ bv34 32) |ULTIMATE.start_main_~var_80~0#1|) (= (_ bv2 32) |ULTIMATE.start_main_~var_171~0#1|) .cse3 .cse4 (= |ULTIMATE.start_main_~var_75~0#1| (_ bv38 32)) (= (_ bv22 32) |ULTIMATE.start_main_~var_125~0#1|) .cse5 (= (_ bv244 32) |ULTIMATE.start_main_~var_38~0#1|) .cse6 (= (_ bv17 32) |ULTIMATE.start_main_~var_130~0#1|) .cse7 .cse8 .cse9 (= (_ bv0 16) |ULTIMATE.start_main_~state_10~0#1|) (= |ULTIMATE.start_main_~var_139~0#1| (_ bv9 32)) (= |ULTIMATE.start_main_~var_33~0#1| (_ bv303 32)) .cse10 .cse11 .cse12 .cse13 .cse14 (= (_ bv59 32) |ULTIMATE.start_main_~var_66~0#1|) .cse15 .cse16 (= (_ bv31 32) |ULTIMATE.start_main_~var_95~0#1|) .cse17 .cse18 (= |ULTIMATE.start_main_~var_13~0#1| (_ bv610 32)) .cse19 .cse20 (= |ULTIMATE.start_main_~var_71~0#1| (_ bv43 32)) (= |ULTIMATE.start_main_~var_23~0#1| (_ bv306 32)) (= |ULTIMATE.start_main_~var_115~0#1| (_ bv24 32)) (= |ULTIMATE.start_main_~var_164~0#1| (_ bv0 32)) (= |ULTIMATE.start_main_~var_170~0#1| (_ bv1 32)) .cse21 (= (_ bv26 32) |ULTIMATE.start_main_~var_105~0#1|) (= |ULTIMATE.start_main_~var_100~0#1| (_ bv30 32)) (= |ULTIMATE.start_main_~var_43~0#1| (_ bv243 32)) (= (_ bv13 32) |ULTIMATE.start_main_~var_134~0#1|) .cse22 .cse23 (= (_ bv305 32) |ULTIMATE.start_main_~var_28~0#1|) (= (_ bv23 32) |ULTIMATE.start_main_~var_120~0#1|) .cse24 .cse25 .cse26 (= |ULTIMATE.start_main_~var_162~0#1| (_ bv0 8)) .cse27 .cse28 .cse29 (= (_ bv1023 16) |ULTIMATE.start_main_~mask_SORT_8~0#1|)))) [2022-12-14 06:36:40,683 INFO L899 garLoopResultBuilder]: For program point L146-3(lines 146 786) no Hoare annotation was computed. [2022-12-14 06:36:40,685 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 06:36:40,686 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:36:40,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:36:40 BoogieIcfgContainer [2022-12-14 06:36:40,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:36:40,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:36:40,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:36:40,699 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:36:40,699 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:36:10" (3/4) ... [2022-12-14 06:36:40,701 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 06:36:40,714 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 06:36:40,714 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 06:36:40,715 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 06:36:40,777 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 06:36:40,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:36:40,778 INFO L158 Benchmark]: Toolchain (without parser) took 31272.60ms. Allocated memory was 73.4MB in the beginning and 432.0MB in the end (delta: 358.6MB). Free memory was 47.4MB in the beginning and 173.2MB in the end (delta: -125.8MB). Peak memory consumption was 231.4MB. Max. memory is 16.1GB. [2022-12-14 06:36:40,778 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:36:40,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.32ms. Allocated memory is still 73.4MB. Free memory was 47.2MB in the beginning and 35.9MB in the end (delta: 11.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-12-14 06:36:40,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.70ms. Allocated memory is still 73.4MB. Free memory was 35.9MB in the beginning and 30.2MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 06:36:40,779 INFO L158 Benchmark]: Boogie Preprocessor took 38.78ms. Allocated memory is still 73.4MB. Free memory was 30.0MB in the beginning and 47.6MB in the end (delta: -17.6MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-12-14 06:36:40,779 INFO L158 Benchmark]: RCFGBuilder took 732.45ms. Allocated memory is still 73.4MB. Free memory was 47.6MB in the beginning and 33.1MB in the end (delta: 14.5MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2022-12-14 06:36:40,779 INFO L158 Benchmark]: TraceAbstraction took 30051.20ms. Allocated memory was 73.4MB in the beginning and 432.0MB in the end (delta: 358.6MB). Free memory was 32.2MB in the beginning and 183.7MB in the end (delta: -151.5MB). Peak memory consumption was 205.9MB. Max. memory is 16.1GB. [2022-12-14 06:36:40,779 INFO L158 Benchmark]: Witness Printer took 78.90ms. Allocated memory is still 432.0MB. Free memory was 183.7MB in the beginning and 173.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 06:36:40,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.32ms. Allocated memory is still 73.4MB. Free memory was 47.2MB in the beginning and 35.9MB in the end (delta: 11.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.70ms. Allocated memory is still 73.4MB. Free memory was 35.9MB in the beginning and 30.2MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.78ms. Allocated memory is still 73.4MB. Free memory was 30.0MB in the beginning and 47.6MB in the end (delta: -17.6MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * RCFGBuilder took 732.45ms. Allocated memory is still 73.4MB. Free memory was 47.6MB in the beginning and 33.1MB in the end (delta: 14.5MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * TraceAbstraction took 30051.20ms. Allocated memory was 73.4MB in the beginning and 432.0MB in the end (delta: 358.6MB). Free memory was 32.2MB in the beginning and 183.7MB in the end (delta: -151.5MB). Peak memory consumption was 205.9MB. Max. memory is 16.1GB. * Witness Printer took 78.90ms. Allocated memory is still 432.0MB. Free memory was 183.7MB in the beginning and 173.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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: 30.0s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 274 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 616 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 23.6s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 12 QuantifiedInterpolants, 7120 SizeOfPredicates, 815 NumberOfNonLiveVariables, 3215 ConjunctsInSsa, 702 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 4/12 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: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((83bv32 == var_128 && 66bv32 == var_41) && 85bv32 == var_93) && 70bv32 == var_83) && cond == 1bv32) && 84bv32 == var_98) && 82bv32 == var_108) && var_137 == 69bv32) && 68bv32 == var_64) && 88bv32 == var_21) && 86bv32 == var_36) && 80bv32 == var_88) && 76bv32 == var_61) && 75bv32 == var_26) && var_6 == 0bv32) && var_145 == 255bv32) && 78bv32 == var_103) && var_123 == 65bv32) && 79bv32 == var_113) && var_90 == 32bv32) && 89bv32 == var_51) && 67bv32 == var_78) && var_31 == 81bv32) && 72bv32 == var_69) && 90bv32 == var_16) && 73bv32 == var_118) && 74bv32 == var_7) && var_59 == 87bv32) && 1bv8 == mask_SORT_3) && var_46 == 77bv32) && var_55 == 71bv32) || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((83bv32 == var_128 && 66bv32 == var_41) && 25bv32 == var_110) && 33bv32 == var_85) && 122bv32 == var_48) && 85bv32 == var_93) && 609bv32 == var_18) && 34bv32 == var_80) && 2bv32 == var_171) && 70bv32 == var_83) && 84bv32 == var_98) && var_75 == 38bv32) && 22bv32 == var_125) && 82bv32 == var_108) && 244bv32 == var_38) && var_137 == 69bv32) && 17bv32 == var_130) && 68bv32 == var_64) && 88bv32 == var_21) && 86bv32 == var_36) && 0bv16 == state_10) && var_139 == 9bv32) && var_33 == 303bv32) && 80bv32 == var_88) && 76bv32 == var_61) && 75bv32 == var_26) && var_6 == 0bv32) && var_145 == 255bv32) && 59bv32 == var_66) && 78bv32 == var_103) && var_123 == 65bv32) && 31bv32 == var_95) && 79bv32 == var_113) && var_90 == 32bv32) && var_13 == 610bv32) && 89bv32 == var_51) && 67bv32 == var_78) && var_71 == 43bv32) && var_23 == 306bv32) && var_115 == 24bv32) && var_164 == 0bv32) && var_170 == 1bv32) && var_31 == 81bv32) && 26bv32 == var_105) && var_100 == 30bv32) && var_43 == 243bv32) && 13bv32 == var_134) && 72bv32 == var_69) && 90bv32 == var_16) && 305bv32 == var_28) && 23bv32 == var_120) && 73bv32 == var_118) && 74bv32 == var_7) && var_59 == 87bv32) && var_162 == 0bv8) && 1bv8 == mask_SORT_3) && var_46 == 77bv32) && var_55 == 71bv32) && 1023bv16 == mask_SORT_8) RESULT: Ultimate proved your program to be correct! [2022-12-14 06:36:40,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607925b5-0eaa-43e9-bc08-a8cfca73e764/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE