./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b835ec712ca411321a1e9f48e9f59393e813b1f1b607694988fb11c67e009912 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 04:48:31,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:48:31,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:48:31,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:48:31,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:48:31,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:48:31,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:48:31,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:48:31,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:48:31,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:48:31,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:48:31,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:48:31,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:48:31,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:48:31,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:48:31,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:48:31,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:48:31,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:48:31,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:48:31,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:48:31,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:48:31,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:48:31,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:48:31,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:48:31,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:48:31,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:48:31,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:48:31,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:48:31,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:48:31,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:48:31,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:48:31,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:48:31,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:48:31,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:48:31,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:48:31,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:48:31,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:48:31,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:48:31,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:48:31,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:48:31,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:48:31,967 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 04:48:31,992 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:48:31,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:48:31,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:48:31,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:48:31,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:48:31,993 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:48:31,993 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:48:31,993 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:48:31,994 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:48:31,994 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:48:31,994 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:48:31,994 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:48:31,994 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:48:31,994 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:48:31,994 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:48:31,995 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:48:31,995 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:48:31,995 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:48:31,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:48:31,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:48:31,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:48:31,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:48:31,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:48:31,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:48:31,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:48:31,997 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:48:31,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:48:31,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:48:31,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:48:31,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:48:31,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:48:31,998 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:48:31,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:48:31,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:48:31,998 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:48:31,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:48:31,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:48:31,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:48:31,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b835ec712ca411321a1e9f48e9f59393e813b1f1b607694988fb11c67e009912 [2022-12-14 04:48:32,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:48:32,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:48:32,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:48:32,186 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:48:32,186 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:48:32,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2022-12-14 04:48:34,841 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:48:34,965 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:48:34,966 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2022-12-14 04:48:34,971 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/data/84ee1b57d/c05d29e02ce04080ac0b02c6b55a3e3d/FLAG9bedfb3cb [2022-12-14 04:48:34,981 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/data/84ee1b57d/c05d29e02ce04080ac0b02c6b55a3e3d [2022-12-14 04:48:34,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:48:34,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:48:34,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:48:34,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:48:34,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:48:34,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:48:34" (1/1) ... [2022-12-14 04:48:34,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1f0879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:34, skipping insertion in model container [2022-12-14 04:48:34,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:48:34" (1/1) ... [2022-12-14 04:48:34,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:48:35,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:48:35,109 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_e1c5fafc-e2e3-4025-9193-0b7dd901f118/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1107,1120] [2022-12-14 04:48:35,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:48:35,156 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:48:35,164 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_e1c5fafc-e2e3-4025-9193-0b7dd901f118/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1107,1120] [2022-12-14 04:48:35,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:48:35,198 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:48:35,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:35 WrapperNode [2022-12-14 04:48:35,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:48:35,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:48:35,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:48:35,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:48:35,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:35" (1/1) ... [2022-12-14 04:48:35,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:35" (1/1) ... [2022-12-14 04:48:35,235 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 222 [2022-12-14 04:48:35,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:48:35,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:48:35,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:48:35,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:48:35,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:35" (1/1) ... [2022-12-14 04:48:35,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:35" (1/1) ... [2022-12-14 04:48:35,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:35" (1/1) ... [2022-12-14 04:48:35,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:35" (1/1) ... [2022-12-14 04:48:35,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:35" (1/1) ... [2022-12-14 04:48:35,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:35" (1/1) ... [2022-12-14 04:48:35,257 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:35" (1/1) ... [2022-12-14 04:48:35,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:35" (1/1) ... [2022-12-14 04:48:35,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:48:35,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:48:35,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:48:35,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:48:35,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:35" (1/1) ... [2022-12-14 04:48:35,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:48:35,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:48:35,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:48:35,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:48:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:48:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:48:35,405 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:48:35,406 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:48:35,768 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:48:35,780 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:48:35,781 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 04:48:35,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:48:35 BoogieIcfgContainer [2022-12-14 04:48:35,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:48:35,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:48:35,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:48:35,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:48:35,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:48:34" (1/3) ... [2022-12-14 04:48:35,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca35851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:48:35, skipping insertion in model container [2022-12-14 04:48:35,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:35" (2/3) ... [2022-12-14 04:48:35,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca35851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:48:35, skipping insertion in model container [2022-12-14 04:48:35,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:48:35" (3/3) ... [2022-12-14 04:48:35,788 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2022-12-14 04:48:35,801 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:48:35,802 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 04:48:35,838 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:48:35,842 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@23beb55b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:48:35,843 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 04:48:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 04:48:35,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 04:48:35,850 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:35,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 04:48:35,851 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:48:35,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:35,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-12-14 04:48:35,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:48:35,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425633348] [2022-12-14 04:48:35,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:35,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:48:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 04:48:35,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 04:48:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 04:48:36,024 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 04:48:36,026 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 04:48:36,027 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 04:48:36,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 04:48:36,031 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 04:48:36,034 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 04:48:36,045 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 04:48:36,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:48:36 BoogieIcfgContainer [2022-12-14 04:48:36,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 04:48:36,050 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 04:48:36,050 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 04:48:36,051 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 04:48:36,051 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:48:35" (3/4) ... [2022-12-14 04:48:36,053 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 04:48:36,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 04:48:36,054 INFO L158 Benchmark]: Toolchain (without parser) took 1069.59ms. Allocated memory is still 174.1MB. Free memory was 139.2MB in the beginning and 81.2MB in the end (delta: 58.0MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2022-12-14 04:48:36,054 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory was 93.7MB in the beginning and 93.7MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:48:36,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.96ms. Allocated memory is still 174.1MB. Free memory was 139.2MB in the beginning and 125.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 04:48:36,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.10ms. Allocated memory is still 174.1MB. Free memory was 125.2MB in the beginning and 122.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:48:36,055 INFO L158 Benchmark]: Boogie Preprocessor took 24.26ms. Allocated memory is still 174.1MB. Free memory was 122.5MB in the beginning and 120.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:48:36,056 INFO L158 Benchmark]: RCFGBuilder took 521.50ms. Allocated memory is still 174.1MB. Free memory was 120.4MB in the beginning and 103.4MB in the end (delta: 17.1MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2022-12-14 04:48:36,056 INFO L158 Benchmark]: TraceAbstraction took 265.91ms. Allocated memory is still 174.1MB. Free memory was 103.4MB in the beginning and 81.2MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 04:48:36,056 INFO L158 Benchmark]: Witness Printer took 3.01ms. Allocated memory is still 174.1MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:48:36,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory was 93.7MB in the beginning and 93.7MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.96ms. Allocated memory is still 174.1MB. Free memory was 139.2MB in the beginning and 125.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.10ms. Allocated memory is still 174.1MB. Free memory was 125.2MB in the beginning and 122.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.26ms. Allocated memory is still 174.1MB. Free memory was 122.5MB in the beginning and 120.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 521.50ms. Allocated memory is still 174.1MB. Free memory was 120.4MB in the beginning and 103.4MB in the end (delta: 17.1MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * TraceAbstraction took 265.91ms. Allocated memory is still 174.1MB. Free memory was 103.4MB in the beginning and 81.2MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 3.01ms. Allocated memory is still 174.1MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 102, overapproximation of bitwiseOr at line 97, overapproximation of bitwiseAnd at line 112. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 3); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (3 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 8); [L32] const SORT_12 msb_SORT_12 = (SORT_12)1 << (8 - 1); [L34] const SORT_3 var_14 = 0; [L35] const SORT_3 var_30 = 1; [L37] SORT_1 input_2; [L38] SORT_3 input_4; [L39] SORT_3 input_5; [L40] SORT_3 input_6; [L41] SORT_3 input_7; [L42] SORT_3 input_8; [L43] SORT_3 input_9; [L44] SORT_3 input_10; [L45] SORT_3 input_11; [L46] SORT_12 input_13; [L47] SORT_12 input_34; [L48] SORT_12 input_36; [L49] SORT_3 input_38; [L50] SORT_12 input_100; [L51] SORT_3 input_102; [L52] SORT_1 input_105; [L53] SORT_3 input_107; [L54] SORT_3 input_109; [L55] SORT_3 input_111; [L56] SORT_3 input_113; [L58] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L59] SORT_3 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L60] SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L61] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L63] SORT_3 init_16_arg_1 = var_14; [L64] state_15 = init_16_arg_1 [L65] SORT_3 init_18_arg_1 = var_14; [L66] state_17 = init_18_arg_1 [L67] SORT_3 init_21_arg_1 = var_14; [L68] state_20 = init_21_arg_1 [L69] SORT_3 init_25_arg_1 = var_14; [L70] state_24 = init_25_arg_1 VAL [init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, mask_SORT_1=7, mask_SORT_12=255, mask_SORT_3=1, msb_SORT_1=4, msb_SORT_12=128, msb_SORT_3=1, state_15=0, state_17=0, state_20=0, state_24=0, var_14=0, var_30=1] [L73] input_2 = __VERIFIER_nondet_uchar() [L74] input_4 = __VERIFIER_nondet_uchar() [L75] input_5 = __VERIFIER_nondet_uchar() [L76] input_6 = __VERIFIER_nondet_uchar() [L77] input_7 = __VERIFIER_nondet_uchar() [L78] input_8 = __VERIFIER_nondet_uchar() [L79] input_9 = __VERIFIER_nondet_uchar() [L80] input_10 = __VERIFIER_nondet_uchar() [L81] input_11 = __VERIFIER_nondet_uchar() [L82] input_13 = __VERIFIER_nondet_uchar() [L83] input_34 = __VERIFIER_nondet_uchar() [L84] input_36 = __VERIFIER_nondet_uchar() [L85] input_38 = __VERIFIER_nondet_uchar() [L86] input_100 = __VERIFIER_nondet_uchar() [L87] input_102 = __VERIFIER_nondet_uchar() [L88] input_105 = __VERIFIER_nondet_uchar() [L89] input_107 = __VERIFIER_nondet_uchar() [L90] input_109 = __VERIFIER_nondet_uchar() [L91] input_111 = __VERIFIER_nondet_uchar() [L92] input_113 = __VERIFIER_nondet_uchar() [L95] SORT_3 var_19_arg_0 = state_15; [L96] SORT_3 var_19_arg_1 = state_17; [L97] SORT_3 var_19 = var_19_arg_0 | var_19_arg_1; [L98] SORT_3 var_22_arg_0 = var_19; [L99] SORT_3 var_22_arg_1 = state_20; [L100] SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; [L101] SORT_3 var_23_arg_0 = var_22; [L102] SORT_3 var_23 = ~var_23_arg_0; [L103] SORT_3 var_26_arg_0 = state_24; [L104] SORT_3 var_26 = ~var_26_arg_0; [L105] SORT_3 var_27_arg_0 = var_23; [L106] SORT_3 var_27_arg_1 = var_26; [L107] SORT_3 var_27 = var_27_arg_0 | var_27_arg_1; [L108] SORT_3 var_31_arg_0 = var_27; [L109] SORT_3 var_31 = ~var_31_arg_0; [L110] SORT_3 var_32_arg_0 = var_30; [L111] SORT_3 var_32_arg_1 = var_31; [L112] SORT_3 var_32 = var_32_arg_0 & var_32_arg_1; [L113] var_32 = var_32 & mask_SORT_3 [L114] SORT_3 bad_33_arg_0 = var_32; [L115] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 04:48:36,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b835ec712ca411321a1e9f48e9f59393e813b1f1b607694988fb11c67e009912 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 04:48:37,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:48:37,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:48:37,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:48:37,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:48:37,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:48:37,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:48:37,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:48:37,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:48:37,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:48:37,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:48:37,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:48:37,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:48:37,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:48:37,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:48:37,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:48:37,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:48:37,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:48:37,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:48:37,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:48:37,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:48:37,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:48:37,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:48:37,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:48:37,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:48:37,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:48:37,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:48:37,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:48:37,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:48:37,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:48:37,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:48:37,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:48:37,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:48:37,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:48:37,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:48:37,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:48:37,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:48:37,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:48:37,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:48:37,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:48:37,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:48:37,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 04:48:37,843 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:48:37,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:48:37,843 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:48:37,843 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:48:37,844 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:48:37,844 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:48:37,844 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:48:37,844 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:48:37,844 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:48:37,844 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:48:37,845 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:48:37,845 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:48:37,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:48:37,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:48:37,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:48:37,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:48:37,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:48:37,846 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 04:48:37,846 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 04:48:37,846 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 04:48:37,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:48:37,846 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:48:37,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:48:37,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:48:37,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 04:48:37,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:48:37,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:48:37,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:48:37,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:48:37,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:48:37,847 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 04:48:37,847 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 04:48:37,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:48:37,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:48:37,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 04:48:37,847 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b835ec712ca411321a1e9f48e9f59393e813b1f1b607694988fb11c67e009912 [2022-12-14 04:48:38,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:48:38,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:48:38,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:48:38,080 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:48:38,081 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:48:38,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2022-12-14 04:48:40,697 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:48:40,832 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:48:40,832 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2022-12-14 04:48:40,838 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/data/3afbadad1/03d0e54ba5544b4bb773ac8f0cb0cf52/FLAGbc7f3cff6 [2022-12-14 04:48:40,849 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/data/3afbadad1/03d0e54ba5544b4bb773ac8f0cb0cf52 [2022-12-14 04:48:40,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:48:40,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:48:40,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:48:40,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:48:40,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:48:40,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:48:40" (1/1) ... [2022-12-14 04:48:40,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef1f235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:40, skipping insertion in model container [2022-12-14 04:48:40,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:48:40" (1/1) ... [2022-12-14 04:48:40,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:48:40,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:48:40,977 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_e1c5fafc-e2e3-4025-9193-0b7dd901f118/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1107,1120] [2022-12-14 04:48:41,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:48:41,026 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:48:41,033 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_e1c5fafc-e2e3-4025-9193-0b7dd901f118/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1107,1120] [2022-12-14 04:48:41,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:48:41,067 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:48:41,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:41 WrapperNode [2022-12-14 04:48:41,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:48:41,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:48:41,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:48:41,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:48:41,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:41" (1/1) ... [2022-12-14 04:48:41,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:41" (1/1) ... [2022-12-14 04:48:41,101 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 222 [2022-12-14 04:48:41,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:48:41,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:48:41,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:48:41,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:48:41,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:41" (1/1) ... [2022-12-14 04:48:41,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:41" (1/1) ... [2022-12-14 04:48:41,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:41" (1/1) ... [2022-12-14 04:48:41,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:41" (1/1) ... [2022-12-14 04:48:41,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:41" (1/1) ... [2022-12-14 04:48:41,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:41" (1/1) ... [2022-12-14 04:48:41,124 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:41" (1/1) ... [2022-12-14 04:48:41,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:41" (1/1) ... [2022-12-14 04:48:41,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:48:41,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:48:41,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:48:41,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:48:41,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:41" (1/1) ... [2022-12-14 04:48:41,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:48:41,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:48:41,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:48:41,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:48:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:48:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:48:41,295 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:48:41,297 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:48:41,475 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:48:41,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:48:41,481 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 04:48:41,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:48:41 BoogieIcfgContainer [2022-12-14 04:48:41,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:48:41,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:48:41,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:48:41,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:48:41,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:48:40" (1/3) ... [2022-12-14 04:48:41,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6963354a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:48:41, skipping insertion in model container [2022-12-14 04:48:41,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:48:41" (2/3) ... [2022-12-14 04:48:41,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6963354a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:48:41, skipping insertion in model container [2022-12-14 04:48:41,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:48:41" (3/3) ... [2022-12-14 04:48:41,489 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2022-12-14 04:48:41,503 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:48:41,503 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 04:48:41,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:48:41,545 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@307e1914, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:48:41,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 04:48:41,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 04:48:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 04:48:41,553 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:41,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 04:48:41,555 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:48:41,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:41,559 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-14 04:48:41,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:48:41,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030536816] [2022-12-14 04:48:41,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:41,572 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:48:41,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:48:41,573 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:48:41,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 04:48:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:41,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 04:48:41,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:48:41,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:48:41,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:48:41,800 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:48:41,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030536816] [2022-12-14 04:48:41,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030536816] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:48:41,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:48:41,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:48:41,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095412890] [2022-12-14 04:48:41,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:48:41,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:48:41,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:48:41,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:48:41,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:48:41,830 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 04:48:41,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:48:41,878 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-14 04:48:41,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:48:41,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 04:48:41,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:48:41,886 INFO L225 Difference]: With dead ends: 20 [2022-12-14 04:48:41,887 INFO L226 Difference]: Without dead ends: 11 [2022-12-14 04:48:41,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:48:41,893 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:48:41,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:48:41,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-14 04:48:41,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-14 04:48:41,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 04:48:41,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-14 04:48:41,917 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-14 04:48:41,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:48:41,918 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-14 04:48:41,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 04:48:41,918 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-14 04:48:41,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 04:48:41,918 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:41,918 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-14 04:48:41,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:48:42,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:48:42,121 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:48:42,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:42,123 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-14 04:48:42,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:48:42,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74926632] [2022-12-14 04:48:42,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:42,128 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:48:42,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:48:42,131 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:48:42,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 04:48:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:42,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 96 conjunts are in the unsatisfiable core [2022-12-14 04:48:42,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:48:42,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:48:42,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:48:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:48:42,930 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:48:42,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74926632] [2022-12-14 04:48:42,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74926632] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:48:42,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1818478069] [2022-12-14 04:48:42,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:42,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 04:48:42,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 04:48:42,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 04:48:42,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-12-14 04:48:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:43,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 96 conjunts are in the unsatisfiable core [2022-12-14 04:48:43,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:48:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:48:43,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:48:47,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:48:47,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1818478069] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:48:47,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803394398] [2022-12-14 04:48:47,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:47,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:48:47,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:48:47,511 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:48:47,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 04:48:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:47,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 99 conjunts are in the unsatisfiable core [2022-12-14 04:48:47,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:48:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:48:47,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:49:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:49:00,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803394398] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:49:00,109 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 04:49:00,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 12 [2022-12-14 04:49:00,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508623306] [2022-12-14 04:49:00,110 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 04:49:00,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 04:49:00,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:49:00,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 04:49:00,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=84, Unknown=8, NotChecked=0, Total=132 [2022-12-14 04:49:00,111 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 04:49:00,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:49:00,358 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2022-12-14 04:49:00,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:49:00,359 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 04:49:00,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:49:00,360 INFO L225 Difference]: With dead ends: 13 [2022-12-14 04:49:00,360 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 04:49:00,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=66, Invalid=136, Unknown=8, NotChecked=0, Total=210 [2022-12-14 04:49:00,362 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 13 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:49:00,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 10 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 04:49:00,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 04:49:00,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 04:49:00,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 04:49:00,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 04:49:00,363 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2022-12-14 04:49:00,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:49:00,364 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 04:49:00,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 04:49:00,364 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 04:49:00,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 04:49:00,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 04:49:00,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 04:49:00,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 04:49:00,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2022-12-14 04:49:00,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 04:49:00,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 04:49:01,038 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 04:49:01,039 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 04:49:01,039 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 22 224) the Hoare annotation is: false [2022-12-14 04:49:01,039 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 222) the Hoare annotation is: (or (and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (forall ((|v_ULTIMATE.start_main_~var_32_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_24~0#1|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_20~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_17~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|)))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_32_arg_0~0#1_3|)))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))) (_ bv0 8)))) (and (= |ULTIMATE.start_main_~state_17~0#1| |ULTIMATE.start_main_~state_15~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_17~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_24~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|) (= |ULTIMATE.start_main_~state_20~0#1| |ULTIMATE.start_main_~state_17~0#1|))) [2022-12-14 04:49:01,040 INFO L899 garLoopResultBuilder]: For program point L71-3(lines 71 222) no Hoare annotation was computed. [2022-12-14 04:49:01,040 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 04:49:01,040 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-14 04:49:01,040 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-12-14 04:49:01,040 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-12-14 04:49:01,040 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-12-14 04:49:01,040 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-12-14 04:49:01,043 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 04:49:01,044 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 04:49:01,050 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_32_arg_0~0#1_3,QUANTIFIED] [2022-12-14 04:49:01,054 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_32_arg_0~0#1_3,QUANTIFIED] [2022-12-14 04:49:01,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:49:01 BoogieIcfgContainer [2022-12-14 04:49:01,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 04:49:01,056 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 04:49:01,056 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 04:49:01,056 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 04:49:01,056 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:48:41" (3/4) ... [2022-12-14 04:49:01,058 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 04:49:01,066 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 04:49:01,066 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 04:49:01,066 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 04:49:01,107 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 04:49:01,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 04:49:01,108 INFO L158 Benchmark]: Toolchain (without parser) took 20256.35ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 56.3MB in the beginning and 53.3MB in the end (delta: 3.0MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2022-12-14 04:49:01,108 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:49:01,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.50ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 42.0MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 04:49:01,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.12ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 39.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 04:49:01,109 INFO L158 Benchmark]: Boogie Preprocessor took 25.94ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 37.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:49:01,110 INFO L158 Benchmark]: RCFGBuilder took 353.55ms. Allocated memory is still 83.9MB. Free memory was 37.9MB in the beginning and 47.1MB in the end (delta: -9.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-12-14 04:49:01,110 INFO L158 Benchmark]: TraceAbstraction took 19571.68ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 46.4MB in the beginning and 57.5MB in the end (delta: -11.2MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-12-14 04:49:01,110 INFO L158 Benchmark]: Witness Printer took 51.82ms. Allocated memory is still 121.6MB. Free memory was 57.5MB in the beginning and 53.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 04:49:01,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.50ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 42.0MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.12ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 39.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.94ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 37.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 353.55ms. Allocated memory is still 83.9MB. Free memory was 37.9MB in the beginning and 47.1MB in the end (delta: -9.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * TraceAbstraction took 19571.68ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 46.4MB in the beginning and 57.5MB in the end (delta: -11.2MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Witness Printer took 51.82ms. Allocated memory is still 121.6MB. Free memory was 57.5MB in the beginning and 53.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_32_arg_0~0#1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_32_arg_0~0#1_3,QUANTIFIED] * 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: 19.5s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 16.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 60 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 103 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 17.6s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 15 QuantifiedInterpolants, 1928 SizeOfPredicates, 325 NumberOfNonLiveVariables, 686 ConjunctsInSsa, 307 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant [2022-12-14 04:49:01,116 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_32_arg_0~0#1_3,QUANTIFIED] [2022-12-14 04:49:01,117 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_32_arg_0~0#1_3,QUANTIFIED] Derived loop invariant: (cond == 1bv32 && (forall v_ULTIMATE.start_main_~var_32_arg_0~0#1_3 : bv8 :: ~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(state_24))[7:0]), ~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(state_20), ~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(state_17), ~zero_extendFrom8To32(state_15))[7:0]))[7:0]))[7:0]))[7:0]))[7:0]), ~zero_extendFrom8To32(v_ULTIMATE.start_main_~var_32_arg_0~0#1_3))[7:0]), ~zero_extendFrom8To32(mask_SORT_3))[7:0] == 0bv8)) || ((((state_17 == state_15 && 0bv8 == state_17) && 0bv8 == state_24) && 1bv8 == mask_SORT_3) && state_20 == state_17) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-12-14 04:49:01,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5fafc-e2e3-4025-9193-0b7dd901f118/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE