./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS --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 a55279f4902e2d215af953f0a5b477ae98deec0723da38b19ff005dc823ff8bf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:33:28,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:33:28,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:33:28,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:33:28,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:33:28,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:33:28,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:33:28,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:33:28,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:33:28,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:33:28,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:33:28,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:33:28,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:33:28,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:33:28,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:33:28,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:33:28,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:33:28,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:33:28,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:33:28,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:33:28,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:33:28,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:33:28,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:33:28,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:33:28,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:33:28,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:33:28,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:33:28,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:33:28,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:33:28,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:33:28,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:33:28,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:33:28,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:33:28,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:33:28,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:33:28,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:33:28,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:33:28,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:33:28,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:33:28,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:33:28,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:33:28,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 02:33:28,964 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:33:28,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:33:28,965 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:33:28,965 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:33:28,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:33:28,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:33:28,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:33:28,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:33:28,974 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:33:28,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:33:28,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:33:28,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:33:28,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:33:28,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:33:28,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:33:28,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:33:28,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:33:28,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:33:28,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:33:28,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:33:28,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:33:28,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:33:28,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:33:28,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:33:28,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:33:28,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:33:28,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:33:28,980 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:33:28,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:33:28,981 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:33:28,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:33:28,982 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_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a55279f4902e2d215af953f0a5b477ae98deec0723da38b19ff005dc823ff8bf [2022-11-23 02:33:29,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:33:29,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:33:29,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:33:29,329 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:33:29,330 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:33:29,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2022-11-23 02:33:32,509 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:33:32,717 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:33:32,718 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2022-11-23 02:33:32,738 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/data/44c4cc2f4/2d02cbc7047a49ea90642073ceadc968/FLAG8bd9fe15b [2022-11-23 02:33:32,753 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/data/44c4cc2f4/2d02cbc7047a49ea90642073ceadc968 [2022-11-23 02:33:32,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:33:32,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:33:32,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:33:32,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:33:32,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:33:32,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:33:32" (1/1) ... [2022-11-23 02:33:32,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a54c38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:32, skipping insertion in model container [2022-11-23 02:33:32,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:33:32" (1/1) ... [2022-11-23 02:33:32,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:33:32,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:33:32,994 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_460fc808-865e-4223-b1e1-b38d4e6a5615/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1107,1120] [2022-11-23 02:33:33,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:33:33,144 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:33:33,155 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_460fc808-865e-4223-b1e1-b38d4e6a5615/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1107,1120] [2022-11-23 02:33:33,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:33:33,244 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:33:33,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:33 WrapperNode [2022-11-23 02:33:33,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:33:33,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:33:33,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:33:33,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:33:33,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:33" (1/1) ... [2022-11-23 02:33:33,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:33" (1/1) ... [2022-11-23 02:33:33,321 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 243 [2022-11-23 02:33:33,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:33:33,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:33:33,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:33:33,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:33:33,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:33" (1/1) ... [2022-11-23 02:33:33,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:33" (1/1) ... [2022-11-23 02:33:33,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:33" (1/1) ... [2022-11-23 02:33:33,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:33" (1/1) ... [2022-11-23 02:33:33,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:33" (1/1) ... [2022-11-23 02:33:33,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:33" (1/1) ... [2022-11-23 02:33:33,383 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:33" (1/1) ... [2022-11-23 02:33:33,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:33" (1/1) ... [2022-11-23 02:33:33,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:33:33,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:33:33,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:33:33,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:33:33,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:33" (1/1) ... [2022-11-23 02:33:33,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:33:33,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:33:33,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:33:33,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:33:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:33:33,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:33:33,595 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:33:33,597 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:33:34,873 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:33:34,879 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:33:34,880 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 02:33:34,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:34 BoogieIcfgContainer [2022-11-23 02:33:34,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:33:34,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:33:34,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:33:34,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:33:34,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:33:32" (1/3) ... [2022-11-23 02:33:34,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133fe5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:33:34, skipping insertion in model container [2022-11-23 02:33:34,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:33" (2/3) ... [2022-11-23 02:33:34,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133fe5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:33:34, skipping insertion in model container [2022-11-23 02:33:34,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:34" (3/3) ... [2022-11-23 02:33:34,890 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Barrel.c [2022-11-23 02:33:34,918 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:33:34,919 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 02:33:34,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:33:34,991 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;@52a48a57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:33:34,992 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 02:33:34,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:33:35,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 02:33:35,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:33:35,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 02:33:35,004 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:33:35,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:33:35,013 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-23 02:33:35,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:33:35,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889868626] [2022-11-23 02:33:35,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:33:35,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:33:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:33:37,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:33:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:33:38,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:33:38,982 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 02:33:38,983 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 02:33:38,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:33:38,992 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 02:33:38,996 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:33:39,040 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-23 02:33:39,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:33:39 BoogieIcfgContainer [2022-11-23 02:33:39,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:33:39,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:33:39,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:33:39,063 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:33:39,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:34" (3/4) ... [2022-11-23 02:33:39,070 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 02:33:39,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:33:39,073 INFO L158 Benchmark]: Toolchain (without parser) took 6308.04ms. Allocated memory was 142.6MB in the beginning and 255.9MB in the end (delta: 113.2MB). Free memory was 100.9MB in the beginning and 161.8MB in the end (delta: -60.9MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2022-11-23 02:33:39,073 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:33:39,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.20ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 85.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 02:33:39,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.55ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 81.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 02:33:39,077 INFO L158 Benchmark]: Boogie Preprocessor took 72.86ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:33:39,083 INFO L158 Benchmark]: RCFGBuilder took 1486.50ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 79.5MB in the beginning and 55.6MB in the end (delta: 23.8MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2022-11-23 02:33:39,084 INFO L158 Benchmark]: TraceAbstraction took 4177.24ms. Allocated memory was 172.0MB in the beginning and 255.9MB in the end (delta: 83.9MB). Free memory was 55.6MB in the beginning and 161.8MB in the end (delta: -106.1MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-11-23 02:33:39,085 INFO L158 Benchmark]: Witness Printer took 8.17ms. Allocated memory is still 255.9MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:33:39,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.20ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 85.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.55ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 81.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.86ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1486.50ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 79.5MB in the beginning and 55.6MB in the end (delta: 23.8MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4177.24ms. Allocated memory was 172.0MB in the beginning and 255.9MB in the end (delta: 83.9MB). Free memory was 55.6MB in the beginning and 161.8MB in the end (delta: -106.1MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Witness Printer took 8.17ms. Allocated memory is still 255.9MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 244, overapproximation of bitwiseOr at line 62, overapproximation of bitwiseAnd at line 74. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L31] const SORT_3 var_4 = 0; [L32] const SORT_1 var_78 = 1; [L34] SORT_1 input_2; [L36] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L37] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L38] SORT_3 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L39] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L41] SORT_3 init_6_arg_1 = var_4; [L42] state_5 = init_6_arg_1 [L43] SORT_3 init_9_arg_1 = var_4; [L44] state_8 = init_9_arg_1 [L45] SORT_3 init_26_arg_1 = var_4; [L46] state_25 = init_26_arg_1 [L47] SORT_3 init_44_arg_1 = var_4; [L48] state_43 = init_44_arg_1 VAL [init_26_arg_1=0, init_44_arg_1=0, init_6_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_3=3, msb_SORT_1=1, msb_SORT_3=2, state_25=0, state_43=0, state_5=0, state_8=0, var_4=0, var_78=1] [L51] input_2 = __VERIFIER_nondet_uchar() [L54] SORT_3 var_7_arg_0 = state_5; [L55] SORT_3 var_7_arg_1 = var_4; [L56] SORT_1 var_7 = var_7_arg_0 != var_7_arg_1; [L57] SORT_3 var_10_arg_0 = state_8; [L58] SORT_3 var_10_arg_1 = var_4; [L59] SORT_1 var_10 = var_10_arg_0 == var_10_arg_1; [L60] SORT_1 var_11_arg_0 = var_7; [L61] SORT_1 var_11_arg_1 = var_10; [L62] SORT_1 var_11 = var_11_arg_0 | var_11_arg_1; [L63] SORT_3 var_12_arg_0 = state_5; [L64] SORT_3 var_12_arg_1 = var_4; [L65] SORT_1 var_12 = var_12_arg_0 != var_12_arg_1; [L66] SORT_3 var_13_arg_0 = state_8; [L67] SORT_3 var_13_arg_1 = var_4; [L68] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L69] SORT_1 var_14_arg_0 = var_12; [L70] SORT_1 var_14_arg_1 = var_13; [L71] SORT_1 var_14 = var_14_arg_0 | var_14_arg_1; [L72] SORT_1 var_15_arg_0 = var_11; [L73] SORT_1 var_15_arg_1 = var_14; [L74] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L75] SORT_3 var_16_arg_0 = state_5; [L76] SORT_3 var_16_arg_1 = var_4; [L77] SORT_1 var_16 = var_16_arg_0 != var_16_arg_1; [L78] SORT_3 var_17_arg_0 = state_8; [L79] SORT_3 var_17_arg_1 = var_4; [L80] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L81] SORT_1 var_18_arg_0 = var_16; [L82] SORT_1 var_18_arg_1 = var_17; [L83] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L84] SORT_1 var_19_arg_0 = var_15; [L85] SORT_1 var_19_arg_1 = var_18; [L86] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L87] SORT_3 var_20_arg_0 = state_5; [L88] SORT_3 var_20_arg_1 = var_4; [L89] SORT_1 var_20 = var_20_arg_0 != var_20_arg_1; [L90] SORT_3 var_21_arg_0 = state_8; [L91] SORT_3 var_21_arg_1 = var_4; [L92] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L93] SORT_1 var_22_arg_0 = var_20; [L94] SORT_1 var_22_arg_1 = var_21; [L95] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L96] SORT_1 var_23_arg_0 = var_19; [L97] SORT_1 var_23_arg_1 = var_22; [L98] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L99] SORT_3 var_24_arg_0 = state_8; [L100] SORT_3 var_24_arg_1 = var_4; [L101] SORT_1 var_24 = var_24_arg_0 != var_24_arg_1; [L102] SORT_3 var_27_arg_0 = state_25; [L103] SORT_3 var_27_arg_1 = var_4; [L104] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L105] SORT_1 var_28_arg_0 = var_24; [L106] SORT_1 var_28_arg_1 = var_27; [L107] SORT_1 var_28 = var_28_arg_0 | var_28_arg_1; [L108] SORT_1 var_29_arg_0 = var_23; [L109] SORT_1 var_29_arg_1 = var_28; [L110] SORT_1 var_29 = var_29_arg_0 & var_29_arg_1; [L111] SORT_3 var_30_arg_0 = state_8; [L112] SORT_3 var_30_arg_1 = var_4; [L113] SORT_1 var_30 = var_30_arg_0 != var_30_arg_1; [L114] SORT_3 var_31_arg_0 = state_25; [L115] SORT_3 var_31_arg_1 = var_4; [L116] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L117] SORT_1 var_32_arg_0 = var_30; [L118] SORT_1 var_32_arg_1 = var_31; [L119] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L120] SORT_1 var_33_arg_0 = var_29; [L121] SORT_1 var_33_arg_1 = var_32; [L122] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L123] SORT_3 var_34_arg_0 = state_8; [L124] SORT_3 var_34_arg_1 = var_4; [L125] SORT_1 var_34 = var_34_arg_0 != var_34_arg_1; [L126] SORT_3 var_35_arg_0 = state_25; [L127] SORT_3 var_35_arg_1 = var_4; [L128] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L129] SORT_1 var_36_arg_0 = var_34; [L130] SORT_1 var_36_arg_1 = var_35; [L131] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L132] SORT_1 var_37_arg_0 = var_33; [L133] SORT_1 var_37_arg_1 = var_36; [L134] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L135] SORT_3 var_38_arg_0 = state_8; [L136] SORT_3 var_38_arg_1 = var_4; [L137] SORT_1 var_38 = var_38_arg_0 != var_38_arg_1; [L138] SORT_3 var_39_arg_0 = state_25; [L139] SORT_3 var_39_arg_1 = var_4; [L140] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L141] SORT_1 var_40_arg_0 = var_38; [L142] SORT_1 var_40_arg_1 = var_39; [L143] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L144] SORT_1 var_41_arg_0 = var_37; [L145] SORT_1 var_41_arg_1 = var_40; [L146] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L147] SORT_3 var_42_arg_0 = state_25; [L148] SORT_3 var_42_arg_1 = var_4; [L149] SORT_1 var_42 = var_42_arg_0 != var_42_arg_1; [L150] SORT_3 var_45_arg_0 = state_43; [L151] SORT_3 var_45_arg_1 = var_4; [L152] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L153] SORT_1 var_46_arg_0 = var_42; [L154] SORT_1 var_46_arg_1 = var_45; [L155] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L156] SORT_1 var_47_arg_0 = var_41; [L157] SORT_1 var_47_arg_1 = var_46; [L158] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L159] SORT_3 var_48_arg_0 = state_25; [L160] SORT_3 var_48_arg_1 = var_4; [L161] SORT_1 var_48 = var_48_arg_0 != var_48_arg_1; [L162] SORT_3 var_49_arg_0 = state_43; [L163] SORT_3 var_49_arg_1 = var_4; [L164] SORT_1 var_49 = var_49_arg_0 == var_49_arg_1; [L165] SORT_1 var_50_arg_0 = var_48; [L166] SORT_1 var_50_arg_1 = var_49; [L167] SORT_1 var_50 = var_50_arg_0 | var_50_arg_1; [L168] SORT_1 var_51_arg_0 = var_47; [L169] SORT_1 var_51_arg_1 = var_50; [L170] SORT_1 var_51 = var_51_arg_0 & var_51_arg_1; [L171] SORT_3 var_52_arg_0 = state_25; [L172] SORT_3 var_52_arg_1 = var_4; [L173] SORT_1 var_52 = var_52_arg_0 != var_52_arg_1; [L174] SORT_3 var_53_arg_0 = state_43; [L175] SORT_3 var_53_arg_1 = var_4; [L176] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L177] SORT_1 var_54_arg_0 = var_52; [L178] SORT_1 var_54_arg_1 = var_53; [L179] SORT_1 var_54 = var_54_arg_0 | var_54_arg_1; [L180] SORT_1 var_55_arg_0 = var_51; [L181] SORT_1 var_55_arg_1 = var_54; [L182] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L183] SORT_3 var_56_arg_0 = state_25; [L184] SORT_3 var_56_arg_1 = var_4; [L185] SORT_1 var_56 = var_56_arg_0 != var_56_arg_1; [L186] SORT_3 var_57_arg_0 = state_43; [L187] SORT_3 var_57_arg_1 = var_4; [L188] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L189] SORT_1 var_58_arg_0 = var_56; [L190] SORT_1 var_58_arg_1 = var_57; [L191] SORT_1 var_58 = var_58_arg_0 | var_58_arg_1; [L192] SORT_1 var_59_arg_0 = var_55; [L193] SORT_1 var_59_arg_1 = var_58; [L194] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L195] SORT_3 var_60_arg_0 = state_43; [L196] SORT_3 var_60_arg_1 = var_4; [L197] SORT_1 var_60 = var_60_arg_0 != var_60_arg_1; [L198] SORT_3 var_61_arg_0 = state_5; [L199] SORT_3 var_61_arg_1 = var_4; [L200] SORT_1 var_61 = var_61_arg_0 == var_61_arg_1; [L201] SORT_1 var_62_arg_0 = var_60; [L202] SORT_1 var_62_arg_1 = var_61; [L203] SORT_1 var_62 = var_62_arg_0 | var_62_arg_1; [L204] SORT_1 var_63_arg_0 = var_59; [L205] SORT_1 var_63_arg_1 = var_62; [L206] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L207] SORT_3 var_64_arg_0 = state_43; [L208] SORT_3 var_64_arg_1 = var_4; [L209] SORT_1 var_64 = var_64_arg_0 != var_64_arg_1; [L210] SORT_3 var_65_arg_0 = state_5; [L211] SORT_3 var_65_arg_1 = var_4; [L212] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L213] SORT_1 var_66_arg_0 = var_64; [L214] SORT_1 var_66_arg_1 = var_65; [L215] SORT_1 var_66 = var_66_arg_0 | var_66_arg_1; [L216] SORT_1 var_67_arg_0 = var_63; [L217] SORT_1 var_67_arg_1 = var_66; [L218] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L219] SORT_3 var_68_arg_0 = state_43; [L220] SORT_3 var_68_arg_1 = var_4; [L221] SORT_1 var_68 = var_68_arg_0 != var_68_arg_1; [L222] SORT_3 var_69_arg_0 = state_5; [L223] SORT_3 var_69_arg_1 = var_4; [L224] SORT_1 var_69 = var_69_arg_0 == var_69_arg_1; [L225] SORT_1 var_70_arg_0 = var_68; [L226] SORT_1 var_70_arg_1 = var_69; [L227] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L228] SORT_1 var_71_arg_0 = var_67; [L229] SORT_1 var_71_arg_1 = var_70; [L230] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L231] SORT_3 var_72_arg_0 = state_43; [L232] SORT_3 var_72_arg_1 = var_4; [L233] SORT_1 var_72 = var_72_arg_0 != var_72_arg_1; [L234] SORT_3 var_73_arg_0 = state_5; [L235] SORT_3 var_73_arg_1 = var_4; [L236] SORT_1 var_73 = var_73_arg_0 == var_73_arg_1; [L237] SORT_1 var_74_arg_0 = var_72; [L238] SORT_1 var_74_arg_1 = var_73; [L239] SORT_1 var_74 = var_74_arg_0 | var_74_arg_1; [L240] SORT_1 var_75_arg_0 = var_71; [L241] SORT_1 var_75_arg_1 = var_74; [L242] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L243] SORT_1 var_79_arg_0 = var_75; [L244] SORT_1 var_79 = ~var_79_arg_0; [L245] SORT_1 var_80_arg_0 = var_78; [L246] SORT_1 var_80_arg_1 = var_79; [L247] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L248] var_80 = var_80 & mask_SORT_1 [L249] SORT_1 bad_81_arg_0 = var_80; [L250] CALL __VERIFIER_assert(!(bad_81_arg_0)) [L20] COND TRUE !(cond) VAL [cond=0, unknown-#in~cond-unknown=0] [L20] reach_error() VAL [cond=0, unknown-#in~cond-unknown=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, 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, 2.4s 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 [2022-11-23 02:33:39,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS --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 a55279f4902e2d215af953f0a5b477ae98deec0723da38b19ff005dc823ff8bf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:33:41,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:33:41,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:33:41,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:33:41,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:33:41,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:33:41,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:33:41,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:33:41,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:33:41,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:33:41,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:33:41,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:33:41,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:33:41,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:33:41,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:33:41,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:33:41,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:33:41,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:33:41,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:33:41,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:33:41,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:33:41,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:33:41,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:33:41,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:33:41,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:33:41,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:33:41,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:33:41,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:33:41,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:33:41,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:33:41,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:33:41,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:33:41,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:33:41,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:33:41,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:33:41,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:33:41,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:33:41,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:33:41,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:33:41,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:33:41,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:33:41,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-23 02:33:41,748 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:33:41,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:33:41,750 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:33:41,750 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:33:41,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:33:41,752 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:33:41,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:33:41,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:33:41,753 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:33:41,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:33:41,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:33:41,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:33:41,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:33:41,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:33:41,756 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 02:33:41,756 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 02:33:41,757 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 02:33:41,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:33:41,757 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:33:41,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:33:41,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:33:41,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:33:41,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:33:41,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:33:41,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:33:41,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:33:41,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:33:41,760 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-23 02:33:41,760 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 02:33:41,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:33:41,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:33:41,761 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:33:41,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:33:41,762 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-23 02:33:41,762 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_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a55279f4902e2d215af953f0a5b477ae98deec0723da38b19ff005dc823ff8bf [2022-11-23 02:33:42,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:33:42,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:33:42,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:33:42,228 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:33:42,228 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:33:42,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2022-11-23 02:33:45,391 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:33:45,643 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:33:45,643 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2022-11-23 02:33:45,661 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/data/fa56ea421/f33efd75227b419bb0e83eab1702fc8f/FLAG06f21e94b [2022-11-23 02:33:45,681 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/data/fa56ea421/f33efd75227b419bb0e83eab1702fc8f [2022-11-23 02:33:45,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:33:45,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:33:45,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:33:45,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:33:45,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:33:45,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:33:45" (1/1) ... [2022-11-23 02:33:45,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283743c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:45, skipping insertion in model container [2022-11-23 02:33:45,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:33:45" (1/1) ... [2022-11-23 02:33:45,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:33:45,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:33:45,894 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_460fc808-865e-4223-b1e1-b38d4e6a5615/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1107,1120] [2022-11-23 02:33:46,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:33:46,044 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:33:46,064 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_460fc808-865e-4223-b1e1-b38d4e6a5615/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1107,1120] [2022-11-23 02:33:46,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:33:46,141 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:33:46,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:46 WrapperNode [2022-11-23 02:33:46,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:33:46,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:33:46,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:33:46,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:33:46,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:46" (1/1) ... [2022-11-23 02:33:46,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:46" (1/1) ... [2022-11-23 02:33:46,220 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 243 [2022-11-23 02:33:46,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:33:46,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:33:46,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:33:46,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:33:46,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:46" (1/1) ... [2022-11-23 02:33:46,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:46" (1/1) ... [2022-11-23 02:33:46,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:46" (1/1) ... [2022-11-23 02:33:46,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:46" (1/1) ... [2022-11-23 02:33:46,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:46" (1/1) ... [2022-11-23 02:33:46,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:46" (1/1) ... [2022-11-23 02:33:46,269 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:46" (1/1) ... [2022-11-23 02:33:46,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:46" (1/1) ... [2022-11-23 02:33:46,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:33:46,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:33:46,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:33:46,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:33:46,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:46" (1/1) ... [2022-11-23 02:33:46,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:33:46,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:33:46,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:33:46,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:33:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:33:46,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:33:46,504 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:33:46,506 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:33:46,970 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:33:46,977 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:33:46,985 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 02:33:46,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:46 BoogieIcfgContainer [2022-11-23 02:33:46,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:33:46,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:33:46,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:33:46,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:33:46,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:33:45" (1/3) ... [2022-11-23 02:33:46,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68483559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:33:46, skipping insertion in model container [2022-11-23 02:33:46,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:46" (2/3) ... [2022-11-23 02:33:46,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68483559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:33:46, skipping insertion in model container [2022-11-23 02:33:46,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:46" (3/3) ... [2022-11-23 02:33:46,999 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Barrel.c [2022-11-23 02:33:47,019 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:33:47,019 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 02:33:47,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:33:47,087 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;@4ad767f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:33:47,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 02:33:47,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:33:47,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 02:33:47,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:33:47,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 02:33:47,099 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:33:47,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:33:47,108 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-23 02:33:47,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 02:33:47,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961937134] [2022-11-23 02:33:47,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:33:47,126 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 02:33:47,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 02:33:47,139 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 02:33:47,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 02:33:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:47,450 WARN L261 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 143 conjunts are in the unsatisfiable core [2022-11-23 02:33:47,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:33:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:33:49,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:33:49,533 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 02:33:49,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [961937134] [2022-11-23 02:33:49,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [961937134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:33:49,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:33:49,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:33:49,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525075642] [2022-11-23 02:33:49,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:33:49,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:33:49,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 02:33:49,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:33:49,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:33:49,617 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:33:49,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:33:49,741 INFO L93 Difference]: Finished difference Result 15 states and 22 transitions. [2022-11-23 02:33:49,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:33:49,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-23 02:33:49,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:33:49,751 INFO L225 Difference]: With dead ends: 15 [2022-11-23 02:33:49,754 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 02:33:49,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:33:49,761 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:33:49,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 02:33:49,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 02:33:49,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 02:33:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:33:49,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 02:33:49,787 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-23 02:33:49,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:33:49,787 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 02:33:49,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:33:49,788 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 02:33:49,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 02:33:49,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 02:33:49,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/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)] Ended with exit code 0 [2022-11-23 02:33:50,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 02:33:50,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 02:33:50,057 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 02:33:50,057 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 02:33:50,057 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 02:33:50,058 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 02:33:50,059 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-23 02:33:50,059 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-23 02:33:50,059 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-23 02:33:50,059 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-23 02:33:50,061 INFO L895 garLoopResultBuilder]: At program point L49-2(lines 49 261) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~state_8~0#1| |ULTIMATE.start_main_~var_4~0#1|) (= |ULTIMATE.start_main_~state_5~0#1| |ULTIMATE.start_main_~var_4~0#1|) (= |ULTIMATE.start_main_~var_4~0#1| |ULTIMATE.start_main_~state_43~0#1|) (= |ULTIMATE.start_main_~var_4~0#1| |ULTIMATE.start_main_~state_25~0#1|) (= |ULTIMATE.start_main_~var_4~0#1| (_ bv0 8))) [2022-11-23 02:33:50,062 INFO L899 garLoopResultBuilder]: For program point L49-3(lines 49 261) no Hoare annotation was computed. [2022-11-23 02:33:50,062 INFO L895 garLoopResultBuilder]: At program point L262(lines 22 263) the Hoare annotation is: false [2022-11-23 02:33:50,066 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 02:33:50,069 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:33:50,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:33:50 BoogieIcfgContainer [2022-11-23 02:33:50,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:33:50,090 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:33:50,091 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:33:50,091 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:33:50,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:46" (3/4) ... [2022-11-23 02:33:50,096 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 02:33:50,111 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 02:33:50,112 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 02:33:50,112 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 02:33:50,196 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:33:50,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:33:50,197 INFO L158 Benchmark]: Toolchain (without parser) took 4511.67ms. Allocated memory was 71.3MB in the beginning and 188.7MB in the end (delta: 117.4MB). Free memory was 43.7MB in the beginning and 147.5MB in the end (delta: -103.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-11-23 02:33:50,197 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:33:50,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.65ms. Allocated memory is still 71.3MB. Free memory was 43.5MB in the beginning and 45.7MB in the end (delta: -2.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-11-23 02:33:50,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.10ms. Allocated memory is still 71.3MB. Free memory was 45.7MB in the beginning and 42.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:33:50,198 INFO L158 Benchmark]: Boogie Preprocessor took 52.34ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 40.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:33:50,199 INFO L158 Benchmark]: RCFGBuilder took 714.36ms. Allocated memory is still 71.3MB. Free memory was 40.7MB in the beginning and 36.1MB in the end (delta: 4.6MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2022-11-23 02:33:50,199 INFO L158 Benchmark]: TraceAbstraction took 3099.97ms. Allocated memory was 71.3MB in the beginning and 188.7MB in the end (delta: 117.4MB). Free memory was 35.4MB in the beginning and 152.8MB in the end (delta: -117.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:33:50,200 INFO L158 Benchmark]: Witness Printer took 105.86ms. Allocated memory is still 188.7MB. Free memory was 152.8MB in the beginning and 147.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 02:33:50,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.65ms. Allocated memory is still 71.3MB. Free memory was 43.5MB in the beginning and 45.7MB in the end (delta: -2.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.10ms. Allocated memory is still 71.3MB. Free memory was 45.7MB in the beginning and 42.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.34ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 40.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 714.36ms. Allocated memory is still 71.3MB. Free memory was 40.7MB in the beginning and 36.1MB in the end (delta: 4.6MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3099.97ms. Allocated memory was 71.3MB in the beginning and 188.7MB in the end (delta: 117.4MB). Free memory was 35.4MB in the beginning and 152.8MB in the end (delta: -117.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 105.86ms. Allocated memory is still 188.7MB. Free memory was 152.8MB in the beginning and 147.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 20 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 23 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 158 NumberOfNonLiveVariables, 217 ConjunctsInSsa, 143 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((((1bv8 == mask_SORT_1 && state_8 == var_4) && state_5 == var_4) && var_4 == state_43) && var_4 == state_25) && var_4 == 0bv8 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-23 02:33:50,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fc808-865e-4223-b1e1-b38d4e6a5615/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE