./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_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8 --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 Automizer --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 [2022-12-13 11:35:16,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:35:16,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:35:16,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:35:16,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:35:16,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:35:16,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:35:16,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:35:16,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:35:16,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:35:16,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:35:16,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:35:16,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:35:16,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:35:16,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:35:16,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:35:16,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:35:16,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:35:16,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:35:16,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:35:16,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:35:16,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:35:16,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:35:16,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:35:16,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:35:16,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:35:16,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:35:16,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:35:16,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:35:16,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:35:16,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:35:16,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:35:16,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:35:16,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:35:16,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:35:16,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:35:16,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:35:16,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:35:16,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:35:16,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:35:16,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:35:16,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 11:35:16,103 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:35:16,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:35:16,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:35:16,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:35:16,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:35:16,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:35:16,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:35:16,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:35:16,106 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:35:16,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:35:16,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:35:16,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:35:16,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:35:16,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:35:16,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:35:16,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:35:16,107 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:35:16,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:35:16,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:35:16,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:35:16,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:35:16,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:35:16,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:35:16,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:35:16,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:35:16,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:35:16,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:35:16,110 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:35:16,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:35:16,110 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:35:16,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:35:16,110 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:35:16,110 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 326521f65d530a85812f1d291278e004c4dab91ba597589c76a106156950042a [2022-12-13 11:35:16,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:35:16,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:35:16,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:35:16,324 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:35:16,324 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:35:16,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2022-12-13 11:35:18,860 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:35:19,036 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:35:19,036 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2022-12-13 11:35:19,043 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/data/5c5792460/828f237edba9498ca66fccebb942bb45/FLAG0cbeb4a5d [2022-12-13 11:35:19,053 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/data/5c5792460/828f237edba9498ca66fccebb942bb45 [2022-12-13 11:35:19,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:35:19,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:35:19,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:35:19,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:35:19,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:35:19,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:35:19" (1/1) ... [2022-12-13 11:35:19,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@757d5f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:19, skipping insertion in model container [2022-12-13 11:35:19,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:35:19" (1/1) ... [2022-12-13 11:35:19,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:35:19,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:35:19,197 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_94f06d45-1e04-4c66-b018-027365d072c9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1107,1120] [2022-12-13 11:35:19,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:35:19,311 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:35:19,318 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_94f06d45-1e04-4c66-b018-027365d072c9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1107,1120] [2022-12-13 11:35:19,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:35:19,398 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:35:19,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:19 WrapperNode [2022-12-13 11:35:19,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:35:19,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:35:19,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:35:19,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:35:19,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:19" (1/1) ... [2022-12-13 11:35:19,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:19" (1/1) ... [2022-12-13 11:35:19,456 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 763 [2022-12-13 11:35:19,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:35:19,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:35:19,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:35:19,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:35:19,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:19" (1/1) ... [2022-12-13 11:35:19,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:19" (1/1) ... [2022-12-13 11:35:19,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:19" (1/1) ... [2022-12-13 11:35:19,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:19" (1/1) ... [2022-12-13 11:35:19,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:19" (1/1) ... [2022-12-13 11:35:19,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:19" (1/1) ... [2022-12-13 11:35:19,491 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:19" (1/1) ... [2022-12-13 11:35:19,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:19" (1/1) ... [2022-12-13 11:35:19,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:35:19,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:35:19,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:35:19,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:35:19,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:19" (1/1) ... [2022-12-13 11:35:19,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:35:19,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:35:19,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:35:19,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:35:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:35:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:35:19,767 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:35:19,769 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:35:21,301 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:35:21,306 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:35:21,306 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 11:35:21,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:35:21 BoogieIcfgContainer [2022-12-13 11:35:21,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:35:21,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:35:21,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:35:21,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:35:21,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:35:19" (1/3) ... [2022-12-13 11:35:21,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fbbfbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:35:21, skipping insertion in model container [2022-12-13 11:35:21,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:19" (2/3) ... [2022-12-13 11:35:21,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fbbfbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:35:21, skipping insertion in model container [2022-12-13 11:35:21,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:35:21" (3/3) ... [2022-12-13 11:35:21,313 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.Huffman_dec.c [2022-12-13 11:35:21,327 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:35:21,327 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 11:35:21,361 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:35:21,365 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=PETRI_NET, 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;@1626d05c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:35:21,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 11:35:21,369 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) [2022-12-13 11:35:21,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 11:35:21,373 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:35:21,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 11:35:21,374 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:35:21,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:35:21,378 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 11:35:21,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:35:21,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417047803] [2022-12-13 11:35:21,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:35:21,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:35:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:35:22,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:35:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:35:23,055 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:35:23,057 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:35:23,058 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 11:35:23,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:35:23,063 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 11:35:23,066 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:35:23,087 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 11:35:23,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:35:23 BoogieIcfgContainer [2022-12-13 11:35:23,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:35:23,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:35:23,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:35:23,098 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:35:23,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:35:21" (3/4) ... [2022-12-13 11:35:23,100 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 11:35:23,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:35:23,102 INFO L158 Benchmark]: Toolchain (without parser) took 4045.09ms. Allocated memory was 123.7MB in the beginning and 310.4MB in the end (delta: 186.6MB). Free memory was 87.2MB in the beginning and 244.1MB in the end (delta: -156.9MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2022-12-13 11:35:23,102 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:35:23,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.85ms. Allocated memory is still 123.7MB. Free memory was 86.7MB in the beginning and 58.4MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-13 11:35:23,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.12ms. Allocated memory is still 123.7MB. Free memory was 58.4MB in the beginning and 51.2MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 11:35:23,103 INFO L158 Benchmark]: Boogie Preprocessor took 43.50ms. Allocated memory is still 123.7MB. Free memory was 51.2MB in the beginning and 47.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:35:23,103 INFO L158 Benchmark]: RCFGBuilder took 1806.24ms. Allocated memory was 123.7MB in the beginning and 230.7MB in the end (delta: 107.0MB). Free memory was 47.0MB in the beginning and 151.1MB in the end (delta: -104.1MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. [2022-12-13 11:35:23,104 INFO L158 Benchmark]: TraceAbstraction took 1788.29ms. Allocated memory was 230.7MB in the beginning and 310.4MB in the end (delta: 79.7MB). Free memory was 151.1MB in the beginning and 245.1MB in the end (delta: -94.1MB). Peak memory consumption was 139.8MB. Max. memory is 16.1GB. [2022-12-13 11:35:23,104 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 310.4MB. Free memory was 245.1MB in the beginning and 244.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:35:23,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.85ms. Allocated memory is still 123.7MB. Free memory was 86.7MB in the beginning and 58.4MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.12ms. Allocated memory is still 123.7MB. Free memory was 58.4MB in the beginning and 51.2MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.50ms. Allocated memory is still 123.7MB. Free memory was 51.2MB in the beginning and 47.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1806.24ms. Allocated memory was 123.7MB in the beginning and 230.7MB in the end (delta: 107.0MB). Free memory was 47.0MB in the beginning and 151.1MB in the end (delta: -104.1MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1788.29ms. Allocated memory was 230.7MB in the beginning and 310.4MB in the end (delta: 79.7MB). Free memory was 151.1MB in the beginning and 245.1MB in the end (delta: -94.1MB). Peak memory consumption was 139.8MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 310.4MB. Free memory was 245.1MB in the beginning and 244.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 11:35:23,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/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_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8 --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 Automizer --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 [2022-12-13 11:35:24,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:35:24,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:35:24,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:35:24,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:35:24,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:35:24,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:35:24,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:35:24,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:35:24,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:35:24,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:35:24,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:35:24,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:35:24,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:35:24,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:35:24,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:35:24,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:35:24,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:35:24,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:35:24,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:35:24,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:35:24,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:35:24,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:35:24,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:35:24,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:35:24,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:35:24,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:35:24,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:35:24,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:35:24,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:35:24,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:35:24,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:35:24,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:35:24,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:35:24,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:35:24,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:35:24,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:35:24,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:35:24,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:35:24,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:35:24,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:35:24,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 11:35:24,746 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:35:24,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:35:24,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:35:24,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:35:24,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:35:24,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:35:24,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:35:24,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:35:24,748 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:35:24,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:35:24,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:35:24,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:35:24,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:35:24,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:35:24,749 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 11:35:24,749 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 11:35:24,749 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 11:35:24,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:35:24,750 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:35:24,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:35:24,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:35:24,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:35:24,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:35:24,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:35:24,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:35:24,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:35:24,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:35:24,751 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 11:35:24,751 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 11:35:24,751 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:35:24,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:35:24,752 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:35:24,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:35:24,752 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 11:35:24,752 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:35:24,752 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 326521f65d530a85812f1d291278e004c4dab91ba597589c76a106156950042a [2022-12-13 11:35:24,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:35:24,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:35:25,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:35:25,001 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:35:25,002 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:35:25,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2022-12-13 11:35:27,643 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:35:27,847 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:35:27,847 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2022-12-13 11:35:27,856 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/data/bfb9861b8/51d94c11dc9e471bbf074dab82ef588b/FLAGca9d23d3c [2022-12-13 11:35:27,866 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/data/bfb9861b8/51d94c11dc9e471bbf074dab82ef588b [2022-12-13 11:35:27,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:35:27,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:35:27,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:35:27,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:35:27,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:35:27,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:35:27" (1/1) ... [2022-12-13 11:35:27,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c2d1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:27, skipping insertion in model container [2022-12-13 11:35:27,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:35:27" (1/1) ... [2022-12-13 11:35:27,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:35:27,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:35:28,046 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1107,1120] [2022-12-13 11:35:28,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:35:28,189 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:35:28,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1107,1120] [2022-12-13 11:35:28,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:35:28,262 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:35:28,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:28 WrapperNode [2022-12-13 11:35:28,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:35:28,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:35:28,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:35:28,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:35:28,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:28" (1/1) ... [2022-12-13 11:35:28,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:28" (1/1) ... [2022-12-13 11:35:28,311 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 763 [2022-12-13 11:35:28,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:35:28,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:35:28,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:35:28,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:35:28,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:28" (1/1) ... [2022-12-13 11:35:28,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:28" (1/1) ... [2022-12-13 11:35:28,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:28" (1/1) ... [2022-12-13 11:35:28,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:28" (1/1) ... [2022-12-13 11:35:28,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:28" (1/1) ... [2022-12-13 11:35:28,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:28" (1/1) ... [2022-12-13 11:35:28,339 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:28" (1/1) ... [2022-12-13 11:35:28,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:28" (1/1) ... [2022-12-13 11:35:28,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:35:28,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:35:28,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:35:28,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:35:28,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:28" (1/1) ... [2022-12-13 11:35:28,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:35:28,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:35:28,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:35:28,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:35:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:35:28,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:35:28,584 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:35:28,585 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:35:29,065 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:35:29,071 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:35:29,071 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 11:35:29,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:35:29 BoogieIcfgContainer [2022-12-13 11:35:29,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:35:29,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:35:29,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:35:29,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:35:29,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:35:27" (1/3) ... [2022-12-13 11:35:29,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763842a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:35:29, skipping insertion in model container [2022-12-13 11:35:29,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:35:28" (2/3) ... [2022-12-13 11:35:29,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763842a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:35:29, skipping insertion in model container [2022-12-13 11:35:29,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:35:29" (3/3) ... [2022-12-13 11:35:29,081 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.Huffman_dec.c [2022-12-13 11:35:29,100 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:35:29,100 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 11:35:29,146 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:35:29,151 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=PETRI_NET, 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;@561e4f76, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:35:29,151 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 11:35:29,154 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) [2022-12-13 11:35:29,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 11:35:29,158 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:35:29,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 11:35:29,159 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:35:29,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:35:29,162 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 11:35:29,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:35:29,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147072777] [2022-12-13 11:35:29,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:35:29,173 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 [2022-12-13 11:35:29,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:35:29,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 11:35:29,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 11:35:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:35:29,442 WARN L261 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 266 conjunts are in the unsatisfiable core [2022-12-13 11:35:29,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:35:32,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:35:32,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:35:32,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:35:32,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147072777] [2022-12-13 11:35:32,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147072777] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:35:32,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:35:32,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:35:32,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88013881] [2022-12-13 11:35:32,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:35:32,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:35:32,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:35:32,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:35:32,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:35:32,140 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) [2022-12-13 11:35:32,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:35:32,366 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-13 11:35:32,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:35:32,368 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 [2022-12-13 11:35:32,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:35:32,373 INFO L225 Difference]: With dead ends: 20 [2022-12-13 11:35:32,374 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 11:35:32,375 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 [2022-12-13 11:35:32,378 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 [2022-12-13 11:35:32,378 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] [2022-12-13 11:35:32,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 11:35:32,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-13 11:35:32,398 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) [2022-12-13 11:35:32,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-13 11:35:32,399 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-13 11:35:32,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:35:32,399 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-13 11:35:32,400 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) [2022-12-13 11:35:32,400 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-13 11:35:32,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 11:35:32,400 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:35:32,400 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-13 11:35:32,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 11:35:32,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 11:35:32,602 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:35:32,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:35:32,603 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-13 11:35:32,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:35:32,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815505339] [2022-12-13 11:35:32,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:35:32,605 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 [2022-12-13 11:35:32,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:35:32,606 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 11:35:32,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 11:35:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:35:33,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 128 conjunts are in the unsatisfiable core [2022-12-13 11:35:33,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:35:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:35:34,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:35:38,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:35:38,527 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:35:38,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1815505339] [2022-12-13 11:35:38,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1815505339] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:35:38,528 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 11:35:38,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-12-13 11:35:38,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125878242] [2022-12-13 11:35:38,528 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 11:35:38,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:35:38,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:35:38,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:35:38,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:35:38,530 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-12-13 11:35:38,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:35:38,745 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2022-12-13 11:35:38,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:35:38,748 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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 [2022-12-13 11:35:38,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:35:38,748 INFO L225 Difference]: With dead ends: 9 [2022-12-13 11:35:38,748 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 11:35:38,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:35:38,749 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:35:38,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 6 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:35:38,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 11:35:38,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 11:35:38,750 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) [2022-12-13 11:35:38,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 11:35:38,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2022-12-13 11:35:38,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:35:38,751 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:35:38,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-12-13 11:35:38,751 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 11:35:38,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 11:35:38,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 11:35:38,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 11:35:38,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 11:35:38,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 11:35:39,380 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 11:35:39,380 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 11:35:39,380 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 22 788) the Hoare annotation is: false [2022-12-13 11:35:39,380 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 11:35:39,380 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 11:35:39,380 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-12-13 11:35:39,380 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-12-13 11:35:39,380 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-12-13 11:35:39,380 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-12-13 11:35:39,381 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|) .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)) .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 .cse27 .cse28 .cse29))) [2022-12-13 11:35:39,381 INFO L899 garLoopResultBuilder]: For program point L146-3(lines 146 786) no Hoare annotation was computed. [2022-12-13 11:35:39,383 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 11:35:39,384 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:35:39,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:35:39 BoogieIcfgContainer [2022-12-13 11:35:39,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:35:39,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:35:39,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:35:39,397 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:35:39,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:35:29" (3/4) ... [2022-12-13 11:35:39,399 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 11:35:39,412 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 11:35:39,413 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 11:35:39,413 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 11:35:39,477 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:35:39,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:35:39,477 INFO L158 Benchmark]: Toolchain (without parser) took 11608.56ms. Allocated memory was 88.1MB in the beginning and 350.2MB in the end (delta: 262.1MB). Free memory was 65.9MB in the beginning and 128.2MB in the end (delta: -62.3MB). Peak memory consumption was 201.4MB. Max. memory is 16.1GB. [2022-12-13 11:35:39,477 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:35:39,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.97ms. Allocated memory is still 88.1MB. Free memory was 65.7MB in the beginning and 57.3MB in the end (delta: 8.4MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-12-13 11:35:39,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.77ms. Allocated memory is still 88.1MB. Free memory was 57.0MB in the beginning and 51.2MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:35:39,478 INFO L158 Benchmark]: Boogie Preprocessor took 35.41ms. Allocated memory is still 88.1MB. Free memory was 51.2MB in the beginning and 47.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:35:39,478 INFO L158 Benchmark]: RCFGBuilder took 726.39ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 47.3MB in the beginning and 70.7MB in the end (delta: -23.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-12-13 11:35:39,478 INFO L158 Benchmark]: TraceAbstraction took 10320.38ms. Allocated memory was 107.0MB in the beginning and 350.2MB in the end (delta: 243.3MB). Free memory was 69.9MB in the beginning and 139.9MB in the end (delta: -69.9MB). Peak memory consumption was 171.9MB. Max. memory is 16.1GB. [2022-12-13 11:35:39,479 INFO L158 Benchmark]: Witness Printer took 80.40ms. Allocated memory is still 350.2MB. Free memory was 139.9MB in the beginning and 128.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 11:35:39,480 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.97ms. Allocated memory is still 88.1MB. Free memory was 65.7MB in the beginning and 57.3MB in the end (delta: 8.4MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.77ms. Allocated memory is still 88.1MB. Free memory was 57.0MB in the beginning and 51.2MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.41ms. Allocated memory is still 88.1MB. Free memory was 51.2MB in the beginning and 47.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 726.39ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 47.3MB in the beginning and 70.7MB in the end (delta: -23.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10320.38ms. Allocated memory was 107.0MB in the beginning and 350.2MB in the end (delta: 243.3MB). Free memory was 69.9MB in the beginning and 139.9MB in the end (delta: -69.9MB). Peak memory consumption was 171.9MB. Max. memory is 16.1GB. * Witness Printer took 80.40ms. Allocated memory is still 350.2MB. Free memory was 139.9MB in the beginning and 128.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. 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: 10.3s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 4 NumberOfFragments, 259 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 4 QuantifiedInterpolants, 1878 SizeOfPredicates, 450 NumberOfNonLiveVariables, 1321 ConjunctsInSsa, 394 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/4 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) && 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_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) && 1bv8 == mask_SORT_3) && var_46 == 77bv32) && var_55 == 71bv32) RESULT: Ultimate proved your program to be correct! [2022-12-13 11:35:39,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f06d45-1e04-4c66-b018-027365d072c9/bin/uautomizer-uyxdKDjOR8/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