./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS --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 4a0901411443e2369cdef97e7f5c792ca60bb368bf9c988b6ac394cdcdf4c250 --- 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-8393723 [2022-11-19 08:29:13,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:29:13,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:29:13,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:29:13,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:29:13,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:29:13,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:29:13,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:29:13,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:29:13,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:29:13,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:29:13,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:29:13,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:29:13,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:29:13,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:29:13,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:29:13,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:29:13,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:29:13,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:29:13,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:29:13,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:29:13,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:29:13,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:29:13,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:29:13,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:29:13,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:29:13,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:29:13,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:29:13,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:29:13,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:29:13,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:29:13,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:29:13,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:29:13,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:29:13,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:29:13,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:29:13,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:29:13,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:29:13,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:29:13,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:29:13,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:29:13,808 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:29:13,851 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:29:13,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:29:13,852 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:29:13,853 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:29:13,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:29:13,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:29:13,854 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:29:13,854 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:29:13,854 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:29:13,854 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:29:13,855 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:29:13,856 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:29:13,856 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:29:13,856 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:29:13,856 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:29:13,857 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:29:13,857 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:29:13,857 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:29:13,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:29:13,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:29:13,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:29:13,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:29:13,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:29:13,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:29:13,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:29:13,860 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:29:13,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:29:13,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:29:13,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:29:13,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:29:13,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:29:13,862 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:29:13,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:29:13,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:29:13,862 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:29:13,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:29:13,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:29:13,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:29:13,863 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_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a0901411443e2369cdef97e7f5c792ca60bb368bf9c988b6ac394cdcdf4c250 [2022-11-19 08:29:14,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:29:14,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:29:14,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:29:14,236 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:29:14,237 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:29:14,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c [2022-11-19 08:29:14,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/data/f48be90d0/6c8b54ab0a5745119f29c5a40312c468/FLAGb2918d01f [2022-11-19 08:29:14,895 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:29:14,896 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c [2022-11-19 08:29:14,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/data/f48be90d0/6c8b54ab0a5745119f29c5a40312c468/FLAGb2918d01f [2022-11-19 08:29:15,226 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/data/f48be90d0/6c8b54ab0a5745119f29c5a40312c468 [2022-11-19 08:29:15,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:29:15,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:29:15,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:29:15,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:29:15,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:29:15,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:29:15" (1/1) ... [2022-11-19 08:29:15,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cfc71e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:15, skipping insertion in model container [2022-11-19 08:29:15,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:29:15" (1/1) ... [2022-11-19 08:29:15,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:29:15,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:29:15,529 WARN L234 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_c10a3e37-13b2-4d09-b282-73401ab88b32/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c[1107,1120] [2022-11-19 08:29:15,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:29:15,628 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:29:15,646 WARN L234 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_c10a3e37-13b2-4d09-b282-73401ab88b32/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c[1107,1120] [2022-11-19 08:29:15,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:29:15,745 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:29:15,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:15 WrapperNode [2022-11-19 08:29:15,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:29:15,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:29:15,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:29:15,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:29:15,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:15" (1/1) ... [2022-11-19 08:29:15,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:15" (1/1) ... [2022-11-19 08:29:15,859 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 379 [2022-11-19 08:29:15,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:29:15,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:29:15,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:29:15,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:29:15,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:15" (1/1) ... [2022-11-19 08:29:15,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:15" (1/1) ... [2022-11-19 08:29:15,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:15" (1/1) ... [2022-11-19 08:29:15,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:15" (1/1) ... [2022-11-19 08:29:15,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:15" (1/1) ... [2022-11-19 08:29:15,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:15" (1/1) ... [2022-11-19 08:29:15,935 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:15" (1/1) ... [2022-11-19 08:29:15,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:15" (1/1) ... [2022-11-19 08:29:15,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:29:15,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:29:15,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:29:15,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:29:15,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:15" (1/1) ... [2022-11-19 08:29:15,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:29:15,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:29:15,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:29:16,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:29:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:29:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:29:16,194 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:29:16,196 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:29:16,640 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:29:16,944 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:29:16,945 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 08:29:16,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:29:16 BoogieIcfgContainer [2022-11-19 08:29:16,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:29:16,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:29:16,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:29:16,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:29:16,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:29:15" (1/3) ... [2022-11-19 08:29:16,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76300803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:29:16, skipping insertion in model container [2022-11-19 08:29:16,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:15" (2/3) ... [2022-11-19 08:29:16,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76300803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:29:16, skipping insertion in model container [2022-11-19 08:29:16,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:29:16" (3/3) ... [2022-11-19 08:29:16,964 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v7.c [2022-11-19 08:29:16,983 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:29:16,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:29:17,035 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:29:17,045 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;@59a4512b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:29:17,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:29:17,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:29:17,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 08:29:17,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:17,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 08:29:17,054 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:29:17,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:17,059 INFO L85 PathProgramCache]: Analyzing trace with hash 4841550, now seen corresponding path program 1 times [2022-11-19 08:29:17,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:17,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607485730] [2022-11-19 08:29:17,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:17,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:29:17,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 08:29:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:29:17,570 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 08:29:17,572 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 08:29:17,574 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 08:29:17,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:29:17,580 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 08:29:17,585 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:29:17,624 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 08:29:17,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:29:17 BoogieIcfgContainer [2022-11-19 08:29:17,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:29:17,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:29:17,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:29:17,633 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:29:17,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:29:16" (3/4) ... [2022-11-19 08:29:17,641 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 08:29:17,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:29:17,644 INFO L158 Benchmark]: Toolchain (without parser) took 2411.45ms. Allocated memory is still 130.0MB. Free memory was 92.6MB in the beginning and 86.5MB in the end (delta: 6.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-11-19 08:29:17,644 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 130.0MB. Free memory was 110.4MB in the beginning and 110.3MB in the end (delta: 127.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:29:17,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.92ms. Allocated memory is still 130.0MB. Free memory was 92.4MB in the beginning and 98.7MB in the end (delta: -6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 08:29:17,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.04ms. Allocated memory is still 130.0MB. Free memory was 98.7MB in the beginning and 95.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:29:17,647 INFO L158 Benchmark]: Boogie Preprocessor took 80.62ms. Allocated memory is still 130.0MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:29:17,652 INFO L158 Benchmark]: RCFGBuilder took 1008.30ms. Allocated memory is still 130.0MB. Free memory was 92.9MB in the beginning and 70.4MB in the end (delta: 22.5MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2022-11-19 08:29:17,653 INFO L158 Benchmark]: TraceAbstraction took 675.87ms. Allocated memory is still 130.0MB. Free memory was 69.7MB in the beginning and 86.9MB in the end (delta: -17.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:29:17,654 INFO L158 Benchmark]: Witness Printer took 9.40ms. Allocated memory is still 130.0MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:29:17,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 130.0MB. Free memory was 110.4MB in the beginning and 110.3MB in the end (delta: 127.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.92ms. Allocated memory is still 130.0MB. Free memory was 92.4MB in the beginning and 98.7MB in the end (delta: -6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.04ms. Allocated memory is still 130.0MB. Free memory was 98.7MB in the beginning and 95.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.62ms. Allocated memory is still 130.0MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1008.30ms. Allocated memory is still 130.0MB. Free memory was 92.9MB in the beginning and 70.4MB in the end (delta: 22.5MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * TraceAbstraction took 675.87ms. Allocated memory is still 130.0MB. Free memory was 69.7MB in the beginning and 86.9MB in the end (delta: -17.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.40ms. Allocated memory is still 130.0MB. Free memory is still 86.5MB. 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 151, overapproximation of bitwiseAnd at line 116. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L28] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L31] const SORT_1 var_9 = 0; [L32] const SORT_5 var_22 = 0; [L33] const SORT_5 var_31 = 1; [L34] const SORT_1 var_109 = 1; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_35; [L43] SORT_5 input_37; [L44] SORT_5 input_39; [L45] SORT_5 input_51; [L47] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] SORT_5 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_5 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] SORT_5 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L54] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_5 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L58] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L59] SORT_5 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L60] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L61] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L65] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] SORT_1 init_11_arg_1 = var_9; [L69] state_10 = init_11_arg_1 [L70] SORT_1 init_13_arg_1 = var_9; [L71] state_12 = init_13_arg_1 [L72] SORT_1 init_19_arg_1 = var_9; [L73] state_18 = init_19_arg_1 [L74] SORT_5 init_24_arg_1 = var_22; [L75] state_23 = init_24_arg_1 [L76] SORT_1 init_27_arg_1 = var_9; [L77] state_26 = init_27_arg_1 [L78] SORT_5 init_42_arg_1 = var_22; [L79] state_41 = init_42_arg_1 [L80] SORT_5 init_44_arg_1 = var_22; [L81] state_43 = init_44_arg_1 [L82] SORT_1 init_46_arg_1 = var_9; [L83] state_45 = init_46_arg_1 [L84] SORT_1 init_48_arg_1 = var_9; [L85] state_47 = init_48_arg_1 [L86] SORT_1 init_50_arg_1 = var_9; [L87] state_49 = init_50_arg_1 [L88] SORT_5 init_54_arg_1 = var_22; [L89] state_53 = init_54_arg_1 [L90] SORT_1 init_56_arg_1 = var_9; [L91] state_55 = init_56_arg_1 [L92] SORT_5 init_58_arg_1 = var_22; [L93] state_57 = init_58_arg_1 [L94] SORT_1 init_60_arg_1 = var_9; [L95] state_59 = init_60_arg_1 [L96] SORT_1 init_63_arg_1 = var_9; [L97] state_62 = init_63_arg_1 [L98] SORT_1 init_65_arg_1 = var_9; [L99] state_64 = init_65_arg_1 [L100] SORT_1 init_67_arg_1 = var_9; [L101] state_66 = init_67_arg_1 [L102] SORT_1 init_69_arg_1 = var_9; [L103] state_68 = init_69_arg_1 [L104] SORT_1 init_71_arg_1 = var_9; [L105] state_70 = init_71_arg_1 [L106] SORT_1 init_73_arg_1 = var_9; [L107] state_72 = init_73_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_22=0, var_31=1, var_9=0] [L110] input_2 = __VERIFIER_nondet_uchar() [L111] input_3 = __VERIFIER_nondet_uchar() [L112] input_4 = __VERIFIER_nondet_uchar() [L113] input_6 = __VERIFIER_nondet_uchar() [L114] input_7 = __VERIFIER_nondet_uchar() [L115] input_8 = __VERIFIER_nondet_uchar() [L116] input_8 = input_8 & mask_SORT_5 [L117] input_35 = __VERIFIER_nondet_uchar() [L118] input_37 = __VERIFIER_nondet_uchar() [L119] input_39 = __VERIFIER_nondet_uchar() [L120] input_51 = __VERIFIER_nondet_uchar() [L123] SORT_1 var_16_arg_0 = state_10; [L124] SORT_5 var_16 = var_16_arg_0 >> 0; [L125] var_16 = var_16 & mask_SORT_5 [L126] SORT_1 var_15_arg_0 = state_10; [L127] SORT_1 var_15_arg_1 = state_12; [L128] SORT_1 var_15 = var_15_arg_0 + var_15_arg_1; [L129] SORT_1 var_14_arg_0 = state_10; [L130] SORT_1 var_14_arg_1 = state_12; [L131] SORT_1 var_14 = var_14_arg_0 - var_14_arg_1; [L132] SORT_5 var_17_arg_0 = var_16; [L133] SORT_1 var_17_arg_1 = var_15; [L134] SORT_1 var_17_arg_2 = var_14; [L135] SORT_1 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L136] SORT_1 var_21_arg_0 = var_17; [L137] SORT_1 var_21_arg_1 = state_18; [L138] SORT_1 var_21 = var_21_arg_0 + var_21_arg_1; [L139] SORT_1 var_20_arg_0 = var_17; [L140] SORT_1 var_20_arg_1 = state_18; [L141] SORT_1 var_20 = var_20_arg_0 - var_20_arg_1; [L142] SORT_5 var_25_arg_0 = state_23; [L143] SORT_1 var_25_arg_1 = var_21; [L144] SORT_1 var_25_arg_2 = var_20; [L145] SORT_1 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L146] var_25 = var_25 & mask_SORT_1 [L147] SORT_1 var_28_arg_0 = var_25; [L148] SORT_1 var_28_arg_1 = state_26; [L149] SORT_5 var_28 = var_28_arg_0 == var_28_arg_1; [L150] SORT_5 var_32_arg_0 = var_28; [L151] SORT_5 var_32 = ~var_32_arg_0; [L152] SORT_5 var_33_arg_0 = var_31; [L153] SORT_5 var_33_arg_1 = var_32; [L154] SORT_5 var_33 = var_33_arg_0 & var_33_arg_1; [L155] var_33 = var_33 & mask_SORT_5 [L156] SORT_5 bad_34_arg_0 = var_33; [L157] CALL __VERIFIER_assert(!(bad_34_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: 0.6s, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-19 08:29:17,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/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 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_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS --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 4a0901411443e2369cdef97e7f5c792ca60bb368bf9c988b6ac394cdcdf4c250 --- 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-8393723 [2022-11-19 08:29:20,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:29:20,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:29:20,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:29:20,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:29:20,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:29:20,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:29:20,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:29:20,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:29:20,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:29:20,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:29:20,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:29:20,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:29:20,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:29:20,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:29:20,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:29:20,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:29:20,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:29:20,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:29:20,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:29:20,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:29:20,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:29:20,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:29:20,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:29:20,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:29:20,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:29:20,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:29:20,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:29:20,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:29:20,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:29:20,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:29:20,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:29:20,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:29:20,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:29:20,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:29:20,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:29:20,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:29:20,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:29:20,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:29:20,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:29:20,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:29:20,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 08:29:20,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:29:20,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:29:20,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:29:20,340 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:29:20,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:29:20,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:29:20,343 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:29:20,344 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:29:20,344 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:29:20,344 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:29:20,345 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:29:20,345 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:29:20,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:29:20,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:29:20,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:29:20,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:29:20,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:29:20,348 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:29:20,348 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 08:29:20,348 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 08:29:20,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:29:20,349 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:29:20,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:29:20,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:29:20,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 08:29:20,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:29:20,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:29:20,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:29:20,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:29:20,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:29:20,351 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 08:29:20,351 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 08:29:20,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:29:20,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:29:20,352 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 08:29:20,352 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_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a0901411443e2369cdef97e7f5c792ca60bb368bf9c988b6ac394cdcdf4c250 [2022-11-19 08:29:20,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:29:20,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:29:20,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:29:20,792 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:29:20,793 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:29:20,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c [2022-11-19 08:29:20,866 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/data/e739c7f7f/5ea855c13f284e198da20ffc9e215c5e/FLAG94ea3fccb [2022-11-19 08:29:21,449 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:29:21,450 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c [2022-11-19 08:29:21,459 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/data/e739c7f7f/5ea855c13f284e198da20ffc9e215c5e/FLAG94ea3fccb [2022-11-19 08:29:21,807 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/data/e739c7f7f/5ea855c13f284e198da20ffc9e215c5e [2022-11-19 08:29:21,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:29:21,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:29:21,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:29:21,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:29:21,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:29:21,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:29:21" (1/1) ... [2022-11-19 08:29:21,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eded6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:21, skipping insertion in model container [2022-11-19 08:29:21,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:29:21" (1/1) ... [2022-11-19 08:29:21,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:29:21,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:29:21,998 WARN L234 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_c10a3e37-13b2-4d09-b282-73401ab88b32/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c[1107,1120] [2022-11-19 08:29:22,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:29:22,191 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:29:22,218 WARN L234 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_c10a3e37-13b2-4d09-b282-73401ab88b32/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c[1107,1120] [2022-11-19 08:29:22,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:29:22,327 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:29:22,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:22 WrapperNode [2022-11-19 08:29:22,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:29:22,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:29:22,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:29:22,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:29:22,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:22" (1/1) ... [2022-11-19 08:29:22,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:22" (1/1) ... [2022-11-19 08:29:22,408 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 323 [2022-11-19 08:29:22,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:29:22,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:29:22,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:29:22,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:29:22,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:22" (1/1) ... [2022-11-19 08:29:22,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:22" (1/1) ... [2022-11-19 08:29:22,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:22" (1/1) ... [2022-11-19 08:29:22,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:22" (1/1) ... [2022-11-19 08:29:22,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:22" (1/1) ... [2022-11-19 08:29:22,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:22" (1/1) ... [2022-11-19 08:29:22,450 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:22" (1/1) ... [2022-11-19 08:29:22,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:22" (1/1) ... [2022-11-19 08:29:22,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:29:22,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:29:22,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:29:22,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:29:22,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:22" (1/1) ... [2022-11-19 08:29:22,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:29:22,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:29:22,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:29:22,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:29:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:29:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:29:22,762 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:29:22,764 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:29:23,238 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:29:23,246 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:29:23,246 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 08:29:23,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:29:23 BoogieIcfgContainer [2022-11-19 08:29:23,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:29:23,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:29:23,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:29:23,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:29:23,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:29:21" (1/3) ... [2022-11-19 08:29:23,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a59c0c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:29:23, skipping insertion in model container [2022-11-19 08:29:23,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:22" (2/3) ... [2022-11-19 08:29:23,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a59c0c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:29:23, skipping insertion in model container [2022-11-19 08:29:23,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:29:23" (3/3) ... [2022-11-19 08:29:23,258 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v7.c [2022-11-19 08:29:23,280 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:29:23,280 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:29:23,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:29:23,343 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;@356cc4b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:29:23,343 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:29:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:29:23,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 08:29:23,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:23,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 08:29:23,356 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:29:23,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:23,363 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-19 08:29:23,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:29:23,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [699592074] [2022-11-19 08:29:23,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:23,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:29:23,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:29:23,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:29:23,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 08:29:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:23,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-19 08:29:23,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:29:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:29:23,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:29:23,922 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:29:23,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [699592074] [2022-11-19 08:29:23,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [699592074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:29:23,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:29:23,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:29:23,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921800527] [2022-11-19 08:29:23,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:29:23,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:29:23,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:29:23,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:29:23,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:29:23,984 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:29:24,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:24,058 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-19 08:29:24,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:29:24,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-19 08:29:24,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:24,071 INFO L225 Difference]: With dead ends: 20 [2022-11-19 08:29:24,071 INFO L226 Difference]: Without dead ends: 11 [2022-11-19 08:29:24,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:29:24,078 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:24,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:29:24,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-19 08:29:24,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-19 08:29:24,114 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) [2022-11-19 08:29:24,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-19 08:29:24,116 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-19 08:29:24,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:29:24,127 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-19 08:29:24,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:29:24,128 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-19 08:29:24,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:29:24,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:24,128 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-19 08:29:24,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:29:24,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:29:24,342 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:29:24,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:24,343 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-19 08:29:24,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:29:24,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445464420] [2022-11-19 08:29:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:24,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:29:24,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:29:24,346 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:29:24,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 08:29:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:24,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 86 conjunts are in the unsatisfiable core [2022-11-19 08:29:24,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:29:25,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:29:25,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:29:29,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:29:29,544 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:29:29,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445464420] [2022-11-19 08:29:29,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [445464420] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:29:29,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [573607016] [2022-11-19 08:29:29,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:29,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 08:29:29,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 08:29:29,555 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 08:29:29,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-19 08:29:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:29,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 94 conjunts are in the unsatisfiable core [2022-11-19 08:29:29,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:29:30,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:29:30,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:29:32,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:29:32,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [573607016] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:29:32,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464330860] [2022-11-19 08:29:32,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:32,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:29:32,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:29:32,256 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:29:32,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:29:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:32,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 96 conjunts are in the unsatisfiable core [2022-11-19 08:29:32,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:29:32,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:29:32,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:29:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:29:36,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464330860] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:29:36,273 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-19 08:29:36,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 15 [2022-11-19 08:29:36,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094705919] [2022-11-19 08:29:36,275 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-19 08:29:36,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-19 08:29:36,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:29:36,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-19 08:29:36,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2022-11-19 08:29:36,277 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 15 states, 15 states have (on average 1.6) internal successors, (24), 15 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) [2022-11-19 08:29:36,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:36,568 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-19 08:29:36,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 08:29:36,571 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 15 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 [2022-11-19 08:29:36,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:36,571 INFO L225 Difference]: With dead ends: 16 [2022-11-19 08:29:36,571 INFO L226 Difference]: Without dead ends: 14 [2022-11-19 08:29:36,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2022-11-19 08:29:36,573 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 11 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:36,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 30 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 13 Unchecked, 0.1s Time] [2022-11-19 08:29:36,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-19 08:29:36,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-19 08:29:36,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:29:36,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-19 08:29:36,582 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-19 08:29:36,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:29:36,583 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-19 08:29:36,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 15 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) [2022-11-19 08:29:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-19 08:29:36,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 08:29:36,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:36,584 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-19 08:29:36,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/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)] Forceful destruction successful, exit code 0 [2022-11-19 08:29:36,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:29:37,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:29:37,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/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_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt [2022-11-19 08:29:37,199 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:29:37,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:37,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-19 08:29:37,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:29:37,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2146978413] [2022-11-19 08:29:37,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-19 08:29:37,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:29:37,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:29:37,203 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:29:37,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/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 (6)] Waiting until timeout for monitored process [2022-11-19 08:29:37,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-19 08:29:37,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:29:37,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 149 conjunts are in the unsatisfiable core [2022-11-19 08:29:37,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:29:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:29:38,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:30:02,448 WARN L233 SmtUtils]: Spent 17.28s on a formula simplification. DAG size of input: 349 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:30:06,418 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:30:06,419 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:30:06,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2146978413] [2022-11-19 08:30:06,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2146978413] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:30:06,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1411499929] [2022-11-19 08:30:06,420 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-19 08:30:06,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 08:30:06,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 08:30:06,422 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 08:30:06,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-19 08:30:06,905 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-19 08:30:06,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:30:06,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 161 conjunts are in the unsatisfiable core [2022-11-19 08:30:06,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:30:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:30:07,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:30:26,523 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 347 DAG size of output: 233 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:30:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:30:28,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1411499929] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:30:28,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060249067] [2022-11-19 08:30:28,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-19 08:30:28,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:30:28,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:30:28,990 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:30:28,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 08:30:29,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-19 08:30:29,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:30:29,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 152 conjunts are in the unsatisfiable core [2022-11-19 08:30:29,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:30:30,377 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:30:30,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:30:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:30:44,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060249067] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:30:44,526 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-19 08:30:44,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 7, 7] total 25 [2022-11-19 08:30:44,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786790833] [2022-11-19 08:30:44,527 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-19 08:30:44,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-19 08:30:44,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:30:44,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-19 08:30:44,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=482, Unknown=5, NotChecked=0, Total=600 [2022-11-19 08:30:44,529 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 25 states, 25 states have (on average 1.72) internal successors, (43), 25 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:30:45,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:45,215 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2022-11-19 08:30:45,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 08:30:45,216 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.72) internal successors, (43), 25 states have internal predecessors, (43), 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 11 [2022-11-19 08:30:45,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:45,217 INFO L225 Difference]: With dead ends: 17 [2022-11-19 08:30:45,217 INFO L226 Difference]: Without dead ends: 15 [2022-11-19 08:30:45,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 31 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 50.6s TimeCoverageRelationStatistics Valid=206, Invalid=719, Unknown=5, NotChecked=0, Total=930 [2022-11-19 08:30:45,219 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:45,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 42 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 18 Unchecked, 0.0s Time] [2022-11-19 08:30:45,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-19 08:30:45,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-19 08:30:45,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:30:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-19 08:30:45,225 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-19 08:30:45,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:45,226 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-19 08:30:45,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.72) internal successors, (43), 25 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:30:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-19 08:30:45,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-19 08:30:45,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:45,227 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-19 08:30:45,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-19 08:30:45,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/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 (6)] Forceful destruction successful, exit code 0 [2022-11-19 08:30:45,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-11-19 08:30:45,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt [2022-11-19 08:30:45,828 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:30:45,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:45,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-19 08:30:45,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:30:45,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216709989] [2022-11-19 08:30:45,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 08:30:45,831 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:30:45,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:30:45,832 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:30:45,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/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 (9)] Waiting until timeout for monitored process [2022-11-19 08:30:46,195 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-19 08:30:46,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-19 08:30:46,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 08:30:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:30:46,703 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-19 08:30:46,703 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 08:30:46,704 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 08:30:46,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/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 (9)] Forceful destruction successful, exit code 0 [2022-11-19 08:30:46,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:30:46,910 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-19 08:30:46,914 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:30:47,010 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 08:30:47,011 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 08:30:47,011 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 08:30:47,011 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 08:30:47,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:30:47 BoogieIcfgContainer [2022-11-19 08:30:47,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:30:47,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:30:47,062 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:30:47,062 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:30:47,063 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:29:23" (3/4) ... [2022-11-19 08:30:47,065 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-19 08:30:47,096 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 08:30:47,096 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 08:30:47,097 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 08:30:47,097 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 08:30:47,247 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:30:47,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:30:47,248 INFO L158 Benchmark]: Toolchain (without parser) took 85436.59ms. Allocated memory was 60.8MB in the beginning and 264.2MB in the end (delta: 203.4MB). Free memory was 40.5MB in the beginning and 87.6MB in the end (delta: -47.0MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. [2022-11-19 08:30:47,248 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:30:47,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.78ms. Allocated memory is still 60.8MB. Free memory was 40.3MB in the beginning and 40.6MB in the end (delta: -240.3kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 08:30:47,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.87ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 37.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:30:47,256 INFO L158 Benchmark]: Boogie Preprocessor took 41.02ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 35.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:30:47,256 INFO L158 Benchmark]: RCFGBuilder took 792.16ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 35.2MB in the beginning and 42.9MB in the end (delta: -7.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-11-19 08:30:47,256 INFO L158 Benchmark]: TraceAbstraction took 83810.29ms. Allocated memory was 79.7MB in the beginning and 264.2MB in the end (delta: 184.5MB). Free memory was 42.5MB in the beginning and 104.7MB in the end (delta: -62.1MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. [2022-11-19 08:30:47,257 INFO L158 Benchmark]: Witness Printer took 185.29ms. Allocated memory is still 264.2MB. Free memory was 104.7MB in the beginning and 87.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-19 08:30:47,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.78ms. Allocated memory is still 60.8MB. Free memory was 40.3MB in the beginning and 40.6MB in the end (delta: -240.3kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.87ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 37.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.02ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 35.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 792.16ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 35.2MB in the beginning and 42.9MB in the end (delta: -7.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * TraceAbstraction took 83810.29ms. Allocated memory was 79.7MB in the beginning and 264.2MB in the end (delta: 184.5MB). Free memory was 42.5MB in the beginning and 104.7MB in the end (delta: -62.1MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. * Witness Printer took 185.29ms. Allocated memory is still 264.2MB. Free memory was 104.7MB in the beginning and 87.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. 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 - CounterExampleResult [Line: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L28] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L31] const SORT_1 var_9 = 0; [L32] const SORT_5 var_22 = 0; [L33] const SORT_5 var_31 = 1; [L34] const SORT_1 var_109 = 1; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_35; [L43] SORT_5 input_37; [L44] SORT_5 input_39; [L45] SORT_5 input_51; [L47] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] SORT_5 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_5 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] SORT_5 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L54] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_5 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L58] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L59] SORT_5 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L60] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L61] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L65] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] SORT_1 init_11_arg_1 = var_9; [L69] state_10 = init_11_arg_1 [L70] SORT_1 init_13_arg_1 = var_9; [L71] state_12 = init_13_arg_1 [L72] SORT_1 init_19_arg_1 = var_9; [L73] state_18 = init_19_arg_1 [L74] SORT_5 init_24_arg_1 = var_22; [L75] state_23 = init_24_arg_1 [L76] SORT_1 init_27_arg_1 = var_9; [L77] state_26 = init_27_arg_1 [L78] SORT_5 init_42_arg_1 = var_22; [L79] state_41 = init_42_arg_1 [L80] SORT_5 init_44_arg_1 = var_22; [L81] state_43 = init_44_arg_1 [L82] SORT_1 init_46_arg_1 = var_9; [L83] state_45 = init_46_arg_1 [L84] SORT_1 init_48_arg_1 = var_9; [L85] state_47 = init_48_arg_1 [L86] SORT_1 init_50_arg_1 = var_9; [L87] state_49 = init_50_arg_1 [L88] SORT_5 init_54_arg_1 = var_22; [L89] state_53 = init_54_arg_1 [L90] SORT_1 init_56_arg_1 = var_9; [L91] state_55 = init_56_arg_1 [L92] SORT_5 init_58_arg_1 = var_22; [L93] state_57 = init_58_arg_1 [L94] SORT_1 init_60_arg_1 = var_9; [L95] state_59 = init_60_arg_1 [L96] SORT_1 init_63_arg_1 = var_9; [L97] state_62 = init_63_arg_1 [L98] SORT_1 init_65_arg_1 = var_9; [L99] state_64 = init_65_arg_1 [L100] SORT_1 init_67_arg_1 = var_9; [L101] state_66 = init_67_arg_1 [L102] SORT_1 init_69_arg_1 = var_9; [L103] state_68 = init_69_arg_1 [L104] SORT_1 init_71_arg_1 = var_9; [L105] state_70 = init_71_arg_1 [L106] SORT_1 init_73_arg_1 = var_9; [L107] state_72 = init_73_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_22=0, var_31=1, var_9=0] [L110] input_2 = __VERIFIER_nondet_uchar() [L111] input_3 = __VERIFIER_nondet_uchar() [L112] input_4 = __VERIFIER_nondet_uchar() [L113] input_6 = __VERIFIER_nondet_uchar() [L114] input_7 = __VERIFIER_nondet_uchar() [L115] input_8 = __VERIFIER_nondet_uchar() [L116] input_8 = input_8 & mask_SORT_5 [L117] input_35 = __VERIFIER_nondet_uchar() [L118] input_37 = __VERIFIER_nondet_uchar() [L119] input_39 = __VERIFIER_nondet_uchar() [L120] input_51 = __VERIFIER_nondet_uchar() [L123] SORT_1 var_16_arg_0 = state_10; [L124] SORT_5 var_16 = var_16_arg_0 >> 0; [L125] var_16 = var_16 & mask_SORT_5 [L126] SORT_1 var_15_arg_0 = state_10; [L127] SORT_1 var_15_arg_1 = state_12; [L128] SORT_1 var_15 = var_15_arg_0 + var_15_arg_1; [L129] SORT_1 var_14_arg_0 = state_10; [L130] SORT_1 var_14_arg_1 = state_12; [L131] SORT_1 var_14 = var_14_arg_0 - var_14_arg_1; [L132] SORT_5 var_17_arg_0 = var_16; [L133] SORT_1 var_17_arg_1 = var_15; [L134] SORT_1 var_17_arg_2 = var_14; [L135] SORT_1 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L136] SORT_1 var_21_arg_0 = var_17; [L137] SORT_1 var_21_arg_1 = state_18; [L138] SORT_1 var_21 = var_21_arg_0 + var_21_arg_1; [L139] SORT_1 var_20_arg_0 = var_17; [L140] SORT_1 var_20_arg_1 = state_18; [L141] SORT_1 var_20 = var_20_arg_0 - var_20_arg_1; [L142] SORT_5 var_25_arg_0 = state_23; [L143] SORT_1 var_25_arg_1 = var_21; [L144] SORT_1 var_25_arg_2 = var_20; [L145] SORT_1 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L146] var_25 = var_25 & mask_SORT_1 [L147] SORT_1 var_28_arg_0 = var_25; [L148] SORT_1 var_28_arg_1 = state_26; [L149] SORT_5 var_28 = var_28_arg_0 == var_28_arg_1; [L150] SORT_5 var_32_arg_0 = var_28; [L151] SORT_5 var_32 = ~var_32_arg_0; [L152] SORT_5 var_33_arg_0 = var_31; [L153] SORT_5 var_33_arg_1 = var_32; [L154] SORT_5 var_33 = var_33_arg_0 & var_33_arg_1; [L155] var_33 = var_33 & mask_SORT_5 [L156] SORT_5 bad_34_arg_0 = var_33; [L157] CALL __VERIFIER_assert(!(bad_34_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L157] RET __VERIFIER_assert(!(bad_34_arg_0)) [L159] SORT_5 var_76_arg_0 = input_8; [L160] SORT_5 var_76_arg_1 = var_31; [L161] SORT_5 var_76 = var_76_arg_0 == var_76_arg_1; [L162] SORT_5 var_77_arg_0 = var_76; [L163] SORT_1 var_77_arg_1 = var_9; [L164] SORT_1 var_77_arg_2 = state_64; [L165] SORT_1 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L166] SORT_1 next_78_arg_1 = var_77; [L167] SORT_5 var_79_arg_0 = var_76; [L168] SORT_1 var_79_arg_1 = var_9; [L169] SORT_1 var_79_arg_2 = state_68; [L170] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L171] SORT_1 next_80_arg_1 = var_79; [L172] SORT_5 var_81_arg_0 = var_76; [L173] SORT_1 var_81_arg_1 = var_9; [L174] SORT_1 var_81_arg_2 = state_72; [L175] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L176] SORT_1 next_82_arg_1 = var_81; [L177] SORT_5 var_83_arg_0 = var_76; [L178] SORT_5 var_83_arg_1 = var_22; [L179] SORT_5 var_83_arg_2 = state_43; [L180] SORT_5 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L181] var_83 = var_83 & mask_SORT_5 [L182] SORT_5 next_84_arg_1 = var_83; [L183] SORT_5 var_88_arg_0 = input_8; [L184] SORT_5 var_88_arg_1 = var_31; [L185] SORT_5 var_88 = var_88_arg_0 == var_88_arg_1; [L186] SORT_1 var_86_arg_0 = state_59; [L187] SORT_1 var_86_arg_1 = state_55; [L188] SORT_1 var_86 = var_86_arg_0 - var_86_arg_1; [L189] SORT_1 var_85_arg_0 = state_59; [L190] SORT_1 var_85_arg_1 = state_55; [L191] SORT_1 var_85 = var_85_arg_0 - var_85_arg_1; [L192] SORT_5 var_87_arg_0 = state_57; [L193] SORT_1 var_87_arg_1 = var_86; [L194] SORT_1 var_87_arg_2 = var_85; [L195] SORT_1 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L196] SORT_5 var_89_arg_0 = var_88; [L197] SORT_1 var_89_arg_1 = var_9; [L198] SORT_1 var_89_arg_2 = var_87; [L199] SORT_1 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L200] var_89 = var_89 & mask_SORT_1 [L201] SORT_1 next_90_arg_1 = var_89; [L202] SORT_5 var_91_arg_0 = var_76; [L203] SORT_5 var_91_arg_1 = var_22; [L204] SORT_5 var_91_arg_2 = input_7; [L205] SORT_5 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L206] SORT_5 next_92_arg_1 = var_91; [L207] SORT_5 var_93_arg_0 = var_76; [L208] SORT_5 var_93_arg_1 = var_22; [L209] SORT_5 var_93_arg_2 = state_41; [L210] SORT_5 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L211] SORT_5 next_94_arg_1 = var_93; [L212] SORT_5 var_95_arg_0 = var_88; [L213] SORT_1 var_95_arg_1 = var_9; [L214] SORT_1 var_95_arg_2 = input_2; [L215] SORT_1 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L216] SORT_1 next_96_arg_1 = var_95; [L217] SORT_5 var_97_arg_0 = var_88; [L218] SORT_1 var_97_arg_1 = var_9; [L219] SORT_1 var_97_arg_2 = input_3; [L220] SORT_1 var_97 = var_97_arg_0 ? var_97_arg_1 : var_97_arg_2; [L221] SORT_1 next_98_arg_1 = var_97; [L222] SORT_5 var_99_arg_0 = var_88; [L223] SORT_1 var_99_arg_1 = var_9; [L224] SORT_1 var_99_arg_2 = input_4; [L225] SORT_1 var_99 = var_99_arg_0 ? var_99_arg_1 : var_99_arg_2; [L226] SORT_1 next_100_arg_1 = var_99; [L227] SORT_5 var_101_arg_0 = var_88; [L228] SORT_5 var_101_arg_1 = var_22; [L229] SORT_5 var_101_arg_2 = input_7; [L230] SORT_5 var_101 = var_101_arg_0 ? var_101_arg_1 : var_101_arg_2; [L231] SORT_5 next_102_arg_1 = var_101; [L232] SORT_5 var_103_arg_0 = var_88; [L233] SORT_1 var_103_arg_1 = var_9; [L234] SORT_1 var_103_arg_2 = state_49; [L235] SORT_1 var_103 = var_103_arg_0 ? var_103_arg_1 : var_103_arg_2; [L236] SORT_1 next_104_arg_1 = var_103; [L237] SORT_5 var_105_arg_0 = var_88; [L238] SORT_5 var_105_arg_1 = var_22; [L239] SORT_5 var_105_arg_2 = state_53; [L240] SORT_5 var_105 = var_105_arg_0 ? var_105_arg_1 : var_105_arg_2; [L241] var_105 = var_105 & mask_SORT_5 [L242] SORT_5 next_106_arg_1 = var_105; [L243] SORT_1 var_110_arg_0 = state_45; [L244] SORT_1 var_110_arg_1 = var_109; [L245] SORT_1 var_110 = var_110_arg_0 & var_110_arg_1; [L246] var_110 = var_110 & mask_SORT_1 [L247] SORT_1 var_111_arg_0 = var_110; [L248] SORT_1 var_111_arg_1 = var_109; [L249] SORT_5 var_111 = var_111_arg_0 == var_111_arg_1; [L250] SORT_1 var_108_arg_0 = state_45; [L251] SORT_1 var_108_arg_1 = state_47; [L252] SORT_1 var_108 = var_108_arg_0 + var_108_arg_1; [L253] SORT_1 var_107_arg_0 = state_45; [L254] SORT_1 var_107_arg_1 = state_47; [L255] SORT_1 var_107 = var_107_arg_0 - var_107_arg_1; [L256] SORT_5 var_112_arg_0 = var_111; [L257] SORT_1 var_112_arg_1 = var_108; [L258] SORT_1 var_112_arg_2 = var_107; [L259] SORT_1 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L260] SORT_5 var_113_arg_0 = var_88; [L261] SORT_1 var_113_arg_1 = var_9; [L262] SORT_1 var_113_arg_2 = var_112; [L263] SORT_1 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L264] SORT_1 next_114_arg_1 = var_113; [L265] SORT_5 var_115_arg_0 = var_76; [L266] SORT_1 var_115_arg_1 = var_9; [L267] SORT_1 var_115_arg_2 = input_2; [L268] SORT_1 var_115 = var_115_arg_0 ? var_115_arg_1 : var_115_arg_2; [L269] SORT_1 next_116_arg_1 = var_115; [L270] SORT_5 var_117_arg_0 = var_76; [L271] SORT_1 var_117_arg_1 = var_9; [L272] SORT_1 var_117_arg_2 = state_62; [L273] SORT_1 var_117 = var_117_arg_0 ? var_117_arg_1 : var_117_arg_2; [L274] SORT_1 next_118_arg_1 = var_117; [L275] SORT_5 var_119_arg_0 = var_76; [L276] SORT_1 var_119_arg_1 = var_9; [L277] SORT_1 var_119_arg_2 = input_3; [L278] SORT_1 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L279] SORT_1 next_120_arg_1 = var_119; [L280] SORT_5 var_121_arg_0 = var_76; [L281] SORT_1 var_121_arg_1 = var_9; [L282] SORT_1 var_121_arg_2 = state_66; [L283] SORT_1 var_121 = var_121_arg_0 ? var_121_arg_1 : var_121_arg_2; [L284] SORT_1 next_122_arg_1 = var_121; [L285] SORT_5 var_123_arg_0 = var_76; [L286] SORT_1 var_123_arg_1 = var_9; [L287] SORT_1 var_123_arg_2 = input_4; [L288] SORT_1 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L289] SORT_1 next_124_arg_1 = var_123; [L290] SORT_5 var_125_arg_0 = var_76; [L291] SORT_1 var_125_arg_1 = var_9; [L292] SORT_1 var_125_arg_2 = state_70; [L293] SORT_1 var_125 = var_125_arg_0 ? var_125_arg_1 : var_125_arg_2; [L294] SORT_1 next_126_arg_1 = var_125; [L296] state_10 = next_78_arg_1 [L297] state_12 = next_80_arg_1 [L298] state_18 = next_82_arg_1 [L299] state_23 = next_84_arg_1 [L300] state_26 = next_90_arg_1 [L301] state_41 = next_92_arg_1 [L302] state_43 = next_94_arg_1 [L303] state_45 = next_96_arg_1 [L304] state_47 = next_98_arg_1 [L305] state_49 = next_100_arg_1 [L306] state_53 = next_102_arg_1 [L307] state_55 = next_104_arg_1 [L308] state_57 = next_106_arg_1 [L309] state_59 = next_114_arg_1 [L310] state_62 = next_116_arg_1 [L311] state_64 = next_118_arg_1 [L312] state_66 = next_120_arg_1 [L313] state_68 = next_122_arg_1 [L314] state_70 = next_124_arg_1 [L315] state_72 = next_126_arg_1 VAL [bad_34_arg_0=0, init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, input_2=56, input_3=31, input_35=2, input_37=5, input_39=4, input_4=65, input_51=3, input_6=6, input_7=1, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_100_arg_1=65, next_102_arg_1=1, next_104_arg_1=0, next_106_arg_1=0, next_114_arg_1=0, next_116_arg_1=56, next_118_arg_1=0, next_120_arg_1=31, next_122_arg_1=0, next_124_arg_1=65, next_126_arg_1=0, next_78_arg_1=0, next_80_arg_1=0, next_82_arg_1=0, next_84_arg_1=0, next_90_arg_1=0, next_92_arg_1=1, next_94_arg_1=0, next_96_arg_1=56, next_98_arg_1=31, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=1, state_43=0, state_45=56, state_47=31, state_49=65, state_53=1, state_55=0, state_57=0, state_59=0, state_62=56, state_64=0, state_66=31, state_68=0, state_70=65, state_72=0, var_101=1, var_101_arg_0=0, var_101_arg_1=0, var_101_arg_2=1, var_103=0, var_103_arg_0=0, var_103_arg_1=0, var_103_arg_2=0, var_105=0, var_105_arg_0=0, var_105_arg_1=0, var_105_arg_2=0, var_107=0, var_107_arg_0=0, var_107_arg_1=0, var_108=0, var_108_arg_0=0, var_108_arg_1=0, var_109=1, var_110=0, var_110_arg_0=0, var_110_arg_1=1, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_112=0, var_112_arg_0=0, var_112_arg_1=0, var_112_arg_2=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_113_arg_2=0, var_115=56, var_115_arg_0=0, var_115_arg_1=0, var_115_arg_2=56, var_117=0, var_117_arg_0=0, var_117_arg_1=0, var_117_arg_2=0, var_119=31, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=31, var_121=0, var_121_arg_0=0, var_121_arg_1=0, var_121_arg_2=0, var_123=65, var_123_arg_0=0, var_123_arg_1=0, var_123_arg_2=65, var_125=0, var_125_arg_0=0, var_125_arg_1=0, var_125_arg_2=0, var_14=0, var_14_arg_0=0, var_14_arg_1=0, var_15=0, var_15_arg_0=0, var_15_arg_1=0, var_16=0, var_16_arg_0=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_25_arg_2=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_31=1, var_32=254, var_32_arg_0=1, var_33=0, var_33_arg_0=1, var_33_arg_1=254, var_76=0, var_76_arg_0=0, var_76_arg_1=1, var_77=0, var_77_arg_0=0, var_77_arg_1=0, var_77_arg_2=0, var_79=0, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=0, var_81=0, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=0, var_83=0, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=0, var_85=0, var_85_arg_0=0, var_85_arg_1=0, var_86=0, var_86_arg_0=0, var_86_arg_1=0, var_87=0, var_87_arg_0=0, var_87_arg_1=0, var_87_arg_2=0, var_88=0, var_88_arg_0=0, var_88_arg_1=1, var_89=0, var_89_arg_0=0, var_89_arg_1=0, var_89_arg_2=0, var_9=0, var_91=1, var_91_arg_0=0, var_91_arg_1=0, var_91_arg_2=1, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=56, var_95_arg_0=0, var_95_arg_1=0, var_95_arg_2=56, var_97=31, var_97_arg_0=0, var_97_arg_1=0, var_97_arg_2=31, var_99=65, var_99_arg_0=0, var_99_arg_1=0, var_99_arg_2=65] [L110] input_2 = __VERIFIER_nondet_uchar() [L111] input_3 = __VERIFIER_nondet_uchar() [L112] input_4 = __VERIFIER_nondet_uchar() [L113] input_6 = __VERIFIER_nondet_uchar() [L114] input_7 = __VERIFIER_nondet_uchar() [L115] input_8 = __VERIFIER_nondet_uchar() [L116] input_8 = input_8 & mask_SORT_5 [L117] input_35 = __VERIFIER_nondet_uchar() [L118] input_37 = __VERIFIER_nondet_uchar() [L119] input_39 = __VERIFIER_nondet_uchar() [L120] input_51 = __VERIFIER_nondet_uchar() [L123] SORT_1 var_16_arg_0 = state_10; [L124] SORT_5 var_16 = var_16_arg_0 >> 0; [L125] var_16 = var_16 & mask_SORT_5 [L126] SORT_1 var_15_arg_0 = state_10; [L127] SORT_1 var_15_arg_1 = state_12; [L128] SORT_1 var_15 = var_15_arg_0 + var_15_arg_1; [L129] SORT_1 var_14_arg_0 = state_10; [L130] SORT_1 var_14_arg_1 = state_12; [L131] SORT_1 var_14 = var_14_arg_0 - var_14_arg_1; [L132] SORT_5 var_17_arg_0 = var_16; [L133] SORT_1 var_17_arg_1 = var_15; [L134] SORT_1 var_17_arg_2 = var_14; [L135] SORT_1 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L136] SORT_1 var_21_arg_0 = var_17; [L137] SORT_1 var_21_arg_1 = state_18; [L138] SORT_1 var_21 = var_21_arg_0 + var_21_arg_1; [L139] SORT_1 var_20_arg_0 = var_17; [L140] SORT_1 var_20_arg_1 = state_18; [L141] SORT_1 var_20 = var_20_arg_0 - var_20_arg_1; [L142] SORT_5 var_25_arg_0 = state_23; [L143] SORT_1 var_25_arg_1 = var_21; [L144] SORT_1 var_25_arg_2 = var_20; [L145] SORT_1 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L146] var_25 = var_25 & mask_SORT_1 [L147] SORT_1 var_28_arg_0 = var_25; [L148] SORT_1 var_28_arg_1 = state_26; [L149] SORT_5 var_28 = var_28_arg_0 == var_28_arg_1; [L150] SORT_5 var_32_arg_0 = var_28; [L151] SORT_5 var_32 = ~var_32_arg_0; [L152] SORT_5 var_33_arg_0 = var_31; [L153] SORT_5 var_33_arg_1 = var_32; [L154] SORT_5 var_33 = var_33_arg_0 & var_33_arg_1; [L155] var_33 = var_33 & mask_SORT_5 [L156] SORT_5 bad_34_arg_0 = var_33; [L157] CALL __VERIFIER_assert(!(bad_34_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L157] RET __VERIFIER_assert(!(bad_34_arg_0)) [L159] SORT_5 var_76_arg_0 = input_8; [L160] SORT_5 var_76_arg_1 = var_31; [L161] SORT_5 var_76 = var_76_arg_0 == var_76_arg_1; [L162] SORT_5 var_77_arg_0 = var_76; [L163] SORT_1 var_77_arg_1 = var_9; [L164] SORT_1 var_77_arg_2 = state_64; [L165] SORT_1 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L166] SORT_1 next_78_arg_1 = var_77; [L167] SORT_5 var_79_arg_0 = var_76; [L168] SORT_1 var_79_arg_1 = var_9; [L169] SORT_1 var_79_arg_2 = state_68; [L170] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L171] SORT_1 next_80_arg_1 = var_79; [L172] SORT_5 var_81_arg_0 = var_76; [L173] SORT_1 var_81_arg_1 = var_9; [L174] SORT_1 var_81_arg_2 = state_72; [L175] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L176] SORT_1 next_82_arg_1 = var_81; [L177] SORT_5 var_83_arg_0 = var_76; [L178] SORT_5 var_83_arg_1 = var_22; [L179] SORT_5 var_83_arg_2 = state_43; [L180] SORT_5 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L181] var_83 = var_83 & mask_SORT_5 [L182] SORT_5 next_84_arg_1 = var_83; [L183] SORT_5 var_88_arg_0 = input_8; [L184] SORT_5 var_88_arg_1 = var_31; [L185] SORT_5 var_88 = var_88_arg_0 == var_88_arg_1; [L186] SORT_1 var_86_arg_0 = state_59; [L187] SORT_1 var_86_arg_1 = state_55; [L188] SORT_1 var_86 = var_86_arg_0 - var_86_arg_1; [L189] SORT_1 var_85_arg_0 = state_59; [L190] SORT_1 var_85_arg_1 = state_55; [L191] SORT_1 var_85 = var_85_arg_0 - var_85_arg_1; [L192] SORT_5 var_87_arg_0 = state_57; [L193] SORT_1 var_87_arg_1 = var_86; [L194] SORT_1 var_87_arg_2 = var_85; [L195] SORT_1 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L196] SORT_5 var_89_arg_0 = var_88; [L197] SORT_1 var_89_arg_1 = var_9; [L198] SORT_1 var_89_arg_2 = var_87; [L199] SORT_1 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L200] var_89 = var_89 & mask_SORT_1 [L201] SORT_1 next_90_arg_1 = var_89; [L202] SORT_5 var_91_arg_0 = var_76; [L203] SORT_5 var_91_arg_1 = var_22; [L204] SORT_5 var_91_arg_2 = input_7; [L205] SORT_5 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L206] SORT_5 next_92_arg_1 = var_91; [L207] SORT_5 var_93_arg_0 = var_76; [L208] SORT_5 var_93_arg_1 = var_22; [L209] SORT_5 var_93_arg_2 = state_41; [L210] SORT_5 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L211] SORT_5 next_94_arg_1 = var_93; [L212] SORT_5 var_95_arg_0 = var_88; [L213] SORT_1 var_95_arg_1 = var_9; [L214] SORT_1 var_95_arg_2 = input_2; [L215] SORT_1 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L216] SORT_1 next_96_arg_1 = var_95; [L217] SORT_5 var_97_arg_0 = var_88; [L218] SORT_1 var_97_arg_1 = var_9; [L219] SORT_1 var_97_arg_2 = input_3; [L220] SORT_1 var_97 = var_97_arg_0 ? var_97_arg_1 : var_97_arg_2; [L221] SORT_1 next_98_arg_1 = var_97; [L222] SORT_5 var_99_arg_0 = var_88; [L223] SORT_1 var_99_arg_1 = var_9; [L224] SORT_1 var_99_arg_2 = input_4; [L225] SORT_1 var_99 = var_99_arg_0 ? var_99_arg_1 : var_99_arg_2; [L226] SORT_1 next_100_arg_1 = var_99; [L227] SORT_5 var_101_arg_0 = var_88; [L228] SORT_5 var_101_arg_1 = var_22; [L229] SORT_5 var_101_arg_2 = input_7; [L230] SORT_5 var_101 = var_101_arg_0 ? var_101_arg_1 : var_101_arg_2; [L231] SORT_5 next_102_arg_1 = var_101; [L232] SORT_5 var_103_arg_0 = var_88; [L233] SORT_1 var_103_arg_1 = var_9; [L234] SORT_1 var_103_arg_2 = state_49; [L235] SORT_1 var_103 = var_103_arg_0 ? var_103_arg_1 : var_103_arg_2; [L236] SORT_1 next_104_arg_1 = var_103; [L237] SORT_5 var_105_arg_0 = var_88; [L238] SORT_5 var_105_arg_1 = var_22; [L239] SORT_5 var_105_arg_2 = state_53; [L240] SORT_5 var_105 = var_105_arg_0 ? var_105_arg_1 : var_105_arg_2; [L241] var_105 = var_105 & mask_SORT_5 [L242] SORT_5 next_106_arg_1 = var_105; [L243] SORT_1 var_110_arg_0 = state_45; [L244] SORT_1 var_110_arg_1 = var_109; [L245] SORT_1 var_110 = var_110_arg_0 & var_110_arg_1; [L246] var_110 = var_110 & mask_SORT_1 [L247] SORT_1 var_111_arg_0 = var_110; [L248] SORT_1 var_111_arg_1 = var_109; [L249] SORT_5 var_111 = var_111_arg_0 == var_111_arg_1; [L250] SORT_1 var_108_arg_0 = state_45; [L251] SORT_1 var_108_arg_1 = state_47; [L252] SORT_1 var_108 = var_108_arg_0 + var_108_arg_1; [L253] SORT_1 var_107_arg_0 = state_45; [L254] SORT_1 var_107_arg_1 = state_47; [L255] SORT_1 var_107 = var_107_arg_0 - var_107_arg_1; [L256] SORT_5 var_112_arg_0 = var_111; [L257] SORT_1 var_112_arg_1 = var_108; [L258] SORT_1 var_112_arg_2 = var_107; [L259] SORT_1 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L260] SORT_5 var_113_arg_0 = var_88; [L261] SORT_1 var_113_arg_1 = var_9; [L262] SORT_1 var_113_arg_2 = var_112; [L263] SORT_1 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L264] SORT_1 next_114_arg_1 = var_113; [L265] SORT_5 var_115_arg_0 = var_76; [L266] SORT_1 var_115_arg_1 = var_9; [L267] SORT_1 var_115_arg_2 = input_2; [L268] SORT_1 var_115 = var_115_arg_0 ? var_115_arg_1 : var_115_arg_2; [L269] SORT_1 next_116_arg_1 = var_115; [L270] SORT_5 var_117_arg_0 = var_76; [L271] SORT_1 var_117_arg_1 = var_9; [L272] SORT_1 var_117_arg_2 = state_62; [L273] SORT_1 var_117 = var_117_arg_0 ? var_117_arg_1 : var_117_arg_2; [L274] SORT_1 next_118_arg_1 = var_117; [L275] SORT_5 var_119_arg_0 = var_76; [L276] SORT_1 var_119_arg_1 = var_9; [L277] SORT_1 var_119_arg_2 = input_3; [L278] SORT_1 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L279] SORT_1 next_120_arg_1 = var_119; [L280] SORT_5 var_121_arg_0 = var_76; [L281] SORT_1 var_121_arg_1 = var_9; [L282] SORT_1 var_121_arg_2 = state_66; [L283] SORT_1 var_121 = var_121_arg_0 ? var_121_arg_1 : var_121_arg_2; [L284] SORT_1 next_122_arg_1 = var_121; [L285] SORT_5 var_123_arg_0 = var_76; [L286] SORT_1 var_123_arg_1 = var_9; [L287] SORT_1 var_123_arg_2 = input_4; [L288] SORT_1 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L289] SORT_1 next_124_arg_1 = var_123; [L290] SORT_5 var_125_arg_0 = var_76; [L291] SORT_1 var_125_arg_1 = var_9; [L292] SORT_1 var_125_arg_2 = state_70; [L293] SORT_1 var_125 = var_125_arg_0 ? var_125_arg_1 : var_125_arg_2; [L294] SORT_1 next_126_arg_1 = var_125; [L296] state_10 = next_78_arg_1 [L297] state_12 = next_80_arg_1 [L298] state_18 = next_82_arg_1 [L299] state_23 = next_84_arg_1 [L300] state_26 = next_90_arg_1 [L301] state_41 = next_92_arg_1 [L302] state_43 = next_94_arg_1 [L303] state_45 = next_96_arg_1 [L304] state_47 = next_98_arg_1 [L305] state_49 = next_100_arg_1 [L306] state_53 = next_102_arg_1 [L307] state_55 = next_104_arg_1 [L308] state_57 = next_106_arg_1 [L309] state_59 = next_114_arg_1 [L310] state_62 = next_116_arg_1 [L311] state_64 = next_118_arg_1 [L312] state_66 = next_120_arg_1 [L313] state_68 = next_122_arg_1 [L314] state_70 = next_124_arg_1 [L315] state_72 = next_126_arg_1 VAL [bad_34_arg_0=0, init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, input_2=0, input_3=0, input_35=10, input_37=8, input_39=9, input_4=0, input_51=7, input_6=11, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_100_arg_1=0, next_102_arg_1=0, next_104_arg_1=65, next_106_arg_1=1, next_114_arg_1=25, next_116_arg_1=0, next_118_arg_1=56, next_120_arg_1=0, next_122_arg_1=31, next_124_arg_1=0, next_126_arg_1=65, next_78_arg_1=0, next_80_arg_1=0, next_82_arg_1=0, next_84_arg_1=0, next_90_arg_1=0, next_92_arg_1=0, next_94_arg_1=1, next_96_arg_1=0, next_98_arg_1=0, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=1, state_45=0, state_47=0, state_49=0, state_53=0, state_55=65, state_57=1, state_59=25, state_62=0, state_64=56, state_66=0, state_68=31, state_70=0, state_72=65, var_101=0, var_101_arg_0=0, var_101_arg_1=0, var_101_arg_2=0, var_103=65, var_103_arg_0=0, var_103_arg_1=0, var_103_arg_2=65, var_105=1, var_105_arg_0=0, var_105_arg_1=0, var_105_arg_2=1, var_107=25, var_107_arg_0=56, var_107_arg_1=31, var_108=87, var_108_arg_0=56, var_108_arg_1=31, var_109=1, var_110=0, var_110_arg_0=56, var_110_arg_1=1, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_112=25, var_112_arg_0=0, var_112_arg_1=87, var_112_arg_2=25, var_113=25, var_113_arg_0=0, var_113_arg_1=0, var_113_arg_2=25, var_115=0, var_115_arg_0=0, var_115_arg_1=0, var_115_arg_2=0, var_117=56, var_117_arg_0=0, var_117_arg_1=0, var_117_arg_2=56, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=31, var_121_arg_0=0, var_121_arg_1=0, var_121_arg_2=31, var_123=0, var_123_arg_0=0, var_123_arg_1=0, var_123_arg_2=0, var_125=65, var_125_arg_0=0, var_125_arg_1=0, var_125_arg_2=65, var_14=0, var_14_arg_0=0, var_14_arg_1=0, var_15=0, var_15_arg_0=0, var_15_arg_1=0, var_16=0, var_16_arg_0=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_25_arg_2=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_31=1, var_32=254, var_32_arg_0=1, var_33=0, var_33_arg_0=1, var_33_arg_1=254, var_76=0, var_76_arg_0=0, var_76_arg_1=1, var_77=0, var_77_arg_0=0, var_77_arg_1=0, var_77_arg_2=0, var_79=0, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=0, var_81=0, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=0, var_83=0, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=0, var_85=0, var_85_arg_0=0, var_85_arg_1=0, var_86=0, var_86_arg_0=0, var_86_arg_1=0, var_87=0, var_87_arg_0=0, var_87_arg_1=0, var_87_arg_2=0, var_88=0, var_88_arg_0=0, var_88_arg_1=1, var_89=0, var_89_arg_0=0, var_89_arg_1=0, var_89_arg_2=0, var_9=0, var_91=0, var_91_arg_0=0, var_91_arg_1=0, var_91_arg_2=0, var_93=1, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=1, var_95=0, var_95_arg_0=0, var_95_arg_1=0, var_95_arg_2=0, var_97=0, var_97_arg_0=0, var_97_arg_1=0, var_97_arg_2=0, var_99=0, var_99_arg_0=0, var_99_arg_1=0, var_99_arg_2=0] [L110] input_2 = __VERIFIER_nondet_uchar() [L111] input_3 = __VERIFIER_nondet_uchar() [L112] input_4 = __VERIFIER_nondet_uchar() [L113] input_6 = __VERIFIER_nondet_uchar() [L114] input_7 = __VERIFIER_nondet_uchar() [L115] input_8 = __VERIFIER_nondet_uchar() [L116] input_8 = input_8 & mask_SORT_5 [L117] input_35 = __VERIFIER_nondet_uchar() [L118] input_37 = __VERIFIER_nondet_uchar() [L119] input_39 = __VERIFIER_nondet_uchar() [L120] input_51 = __VERIFIER_nondet_uchar() [L123] SORT_1 var_16_arg_0 = state_10; [L124] SORT_5 var_16 = var_16_arg_0 >> 0; [L125] var_16 = var_16 & mask_SORT_5 [L126] SORT_1 var_15_arg_0 = state_10; [L127] SORT_1 var_15_arg_1 = state_12; [L128] SORT_1 var_15 = var_15_arg_0 + var_15_arg_1; [L129] SORT_1 var_14_arg_0 = state_10; [L130] SORT_1 var_14_arg_1 = state_12; [L131] SORT_1 var_14 = var_14_arg_0 - var_14_arg_1; [L132] SORT_5 var_17_arg_0 = var_16; [L133] SORT_1 var_17_arg_1 = var_15; [L134] SORT_1 var_17_arg_2 = var_14; [L135] SORT_1 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L136] SORT_1 var_21_arg_0 = var_17; [L137] SORT_1 var_21_arg_1 = state_18; [L138] SORT_1 var_21 = var_21_arg_0 + var_21_arg_1; [L139] SORT_1 var_20_arg_0 = var_17; [L140] SORT_1 var_20_arg_1 = state_18; [L141] SORT_1 var_20 = var_20_arg_0 - var_20_arg_1; [L142] SORT_5 var_25_arg_0 = state_23; [L143] SORT_1 var_25_arg_1 = var_21; [L144] SORT_1 var_25_arg_2 = var_20; [L145] SORT_1 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L146] var_25 = var_25 & mask_SORT_1 [L147] SORT_1 var_28_arg_0 = var_25; [L148] SORT_1 var_28_arg_1 = state_26; [L149] SORT_5 var_28 = var_28_arg_0 == var_28_arg_1; [L150] SORT_5 var_32_arg_0 = var_28; [L151] SORT_5 var_32 = ~var_32_arg_0; [L152] SORT_5 var_33_arg_0 = var_31; [L153] SORT_5 var_33_arg_1 = var_32; [L154] SORT_5 var_33 = var_33_arg_0 & var_33_arg_1; [L155] var_33 = var_33 & mask_SORT_5 [L156] SORT_5 bad_34_arg_0 = var_33; [L157] CALL __VERIFIER_assert(!(bad_34_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L157] RET __VERIFIER_assert(!(bad_34_arg_0)) [L159] SORT_5 var_76_arg_0 = input_8; [L160] SORT_5 var_76_arg_1 = var_31; [L161] SORT_5 var_76 = var_76_arg_0 == var_76_arg_1; [L162] SORT_5 var_77_arg_0 = var_76; [L163] SORT_1 var_77_arg_1 = var_9; [L164] SORT_1 var_77_arg_2 = state_64; [L165] SORT_1 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L166] SORT_1 next_78_arg_1 = var_77; [L167] SORT_5 var_79_arg_0 = var_76; [L168] SORT_1 var_79_arg_1 = var_9; [L169] SORT_1 var_79_arg_2 = state_68; [L170] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L171] SORT_1 next_80_arg_1 = var_79; [L172] SORT_5 var_81_arg_0 = var_76; [L173] SORT_1 var_81_arg_1 = var_9; [L174] SORT_1 var_81_arg_2 = state_72; [L175] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L176] SORT_1 next_82_arg_1 = var_81; [L177] SORT_5 var_83_arg_0 = var_76; [L178] SORT_5 var_83_arg_1 = var_22; [L179] SORT_5 var_83_arg_2 = state_43; [L180] SORT_5 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L181] var_83 = var_83 & mask_SORT_5 [L182] SORT_5 next_84_arg_1 = var_83; [L183] SORT_5 var_88_arg_0 = input_8; [L184] SORT_5 var_88_arg_1 = var_31; [L185] SORT_5 var_88 = var_88_arg_0 == var_88_arg_1; [L186] SORT_1 var_86_arg_0 = state_59; [L187] SORT_1 var_86_arg_1 = state_55; [L188] SORT_1 var_86 = var_86_arg_0 - var_86_arg_1; [L189] SORT_1 var_85_arg_0 = state_59; [L190] SORT_1 var_85_arg_1 = state_55; [L191] SORT_1 var_85 = var_85_arg_0 - var_85_arg_1; [L192] SORT_5 var_87_arg_0 = state_57; [L193] SORT_1 var_87_arg_1 = var_86; [L194] SORT_1 var_87_arg_2 = var_85; [L195] SORT_1 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L196] SORT_5 var_89_arg_0 = var_88; [L197] SORT_1 var_89_arg_1 = var_9; [L198] SORT_1 var_89_arg_2 = var_87; [L199] SORT_1 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L200] var_89 = var_89 & mask_SORT_1 [L201] SORT_1 next_90_arg_1 = var_89; [L202] SORT_5 var_91_arg_0 = var_76; [L203] SORT_5 var_91_arg_1 = var_22; [L204] SORT_5 var_91_arg_2 = input_7; [L205] SORT_5 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L206] SORT_5 next_92_arg_1 = var_91; [L207] SORT_5 var_93_arg_0 = var_76; [L208] SORT_5 var_93_arg_1 = var_22; [L209] SORT_5 var_93_arg_2 = state_41; [L210] SORT_5 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L211] SORT_5 next_94_arg_1 = var_93; [L212] SORT_5 var_95_arg_0 = var_88; [L213] SORT_1 var_95_arg_1 = var_9; [L214] SORT_1 var_95_arg_2 = input_2; [L215] SORT_1 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L216] SORT_1 next_96_arg_1 = var_95; [L217] SORT_5 var_97_arg_0 = var_88; [L218] SORT_1 var_97_arg_1 = var_9; [L219] SORT_1 var_97_arg_2 = input_3; [L220] SORT_1 var_97 = var_97_arg_0 ? var_97_arg_1 : var_97_arg_2; [L221] SORT_1 next_98_arg_1 = var_97; [L222] SORT_5 var_99_arg_0 = var_88; [L223] SORT_1 var_99_arg_1 = var_9; [L224] SORT_1 var_99_arg_2 = input_4; [L225] SORT_1 var_99 = var_99_arg_0 ? var_99_arg_1 : var_99_arg_2; [L226] SORT_1 next_100_arg_1 = var_99; [L227] SORT_5 var_101_arg_0 = var_88; [L228] SORT_5 var_101_arg_1 = var_22; [L229] SORT_5 var_101_arg_2 = input_7; [L230] SORT_5 var_101 = var_101_arg_0 ? var_101_arg_1 : var_101_arg_2; [L231] SORT_5 next_102_arg_1 = var_101; [L232] SORT_5 var_103_arg_0 = var_88; [L233] SORT_1 var_103_arg_1 = var_9; [L234] SORT_1 var_103_arg_2 = state_49; [L235] SORT_1 var_103 = var_103_arg_0 ? var_103_arg_1 : var_103_arg_2; [L236] SORT_1 next_104_arg_1 = var_103; [L237] SORT_5 var_105_arg_0 = var_88; [L238] SORT_5 var_105_arg_1 = var_22; [L239] SORT_5 var_105_arg_2 = state_53; [L240] SORT_5 var_105 = var_105_arg_0 ? var_105_arg_1 : var_105_arg_2; [L241] var_105 = var_105 & mask_SORT_5 [L242] SORT_5 next_106_arg_1 = var_105; [L243] SORT_1 var_110_arg_0 = state_45; [L244] SORT_1 var_110_arg_1 = var_109; [L245] SORT_1 var_110 = var_110_arg_0 & var_110_arg_1; [L246] var_110 = var_110 & mask_SORT_1 [L247] SORT_1 var_111_arg_0 = var_110; [L248] SORT_1 var_111_arg_1 = var_109; [L249] SORT_5 var_111 = var_111_arg_0 == var_111_arg_1; [L250] SORT_1 var_108_arg_0 = state_45; [L251] SORT_1 var_108_arg_1 = state_47; [L252] SORT_1 var_108 = var_108_arg_0 + var_108_arg_1; [L253] SORT_1 var_107_arg_0 = state_45; [L254] SORT_1 var_107_arg_1 = state_47; [L255] SORT_1 var_107 = var_107_arg_0 - var_107_arg_1; [L256] SORT_5 var_112_arg_0 = var_111; [L257] SORT_1 var_112_arg_1 = var_108; [L258] SORT_1 var_112_arg_2 = var_107; [L259] SORT_1 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L260] SORT_5 var_113_arg_0 = var_88; [L261] SORT_1 var_113_arg_1 = var_9; [L262] SORT_1 var_113_arg_2 = var_112; [L263] SORT_1 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L264] SORT_1 next_114_arg_1 = var_113; [L265] SORT_5 var_115_arg_0 = var_76; [L266] SORT_1 var_115_arg_1 = var_9; [L267] SORT_1 var_115_arg_2 = input_2; [L268] SORT_1 var_115 = var_115_arg_0 ? var_115_arg_1 : var_115_arg_2; [L269] SORT_1 next_116_arg_1 = var_115; [L270] SORT_5 var_117_arg_0 = var_76; [L271] SORT_1 var_117_arg_1 = var_9; [L272] SORT_1 var_117_arg_2 = state_62; [L273] SORT_1 var_117 = var_117_arg_0 ? var_117_arg_1 : var_117_arg_2; [L274] SORT_1 next_118_arg_1 = var_117; [L275] SORT_5 var_119_arg_0 = var_76; [L276] SORT_1 var_119_arg_1 = var_9; [L277] SORT_1 var_119_arg_2 = input_3; [L278] SORT_1 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L279] SORT_1 next_120_arg_1 = var_119; [L280] SORT_5 var_121_arg_0 = var_76; [L281] SORT_1 var_121_arg_1 = var_9; [L282] SORT_1 var_121_arg_2 = state_66; [L283] SORT_1 var_121 = var_121_arg_0 ? var_121_arg_1 : var_121_arg_2; [L284] SORT_1 next_122_arg_1 = var_121; [L285] SORT_5 var_123_arg_0 = var_76; [L286] SORT_1 var_123_arg_1 = var_9; [L287] SORT_1 var_123_arg_2 = input_4; [L288] SORT_1 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L289] SORT_1 next_124_arg_1 = var_123; [L290] SORT_5 var_125_arg_0 = var_76; [L291] SORT_1 var_125_arg_1 = var_9; [L292] SORT_1 var_125_arg_2 = state_70; [L293] SORT_1 var_125 = var_125_arg_0 ? var_125_arg_1 : var_125_arg_2; [L294] SORT_1 next_126_arg_1 = var_125; [L296] state_10 = next_78_arg_1 [L297] state_12 = next_80_arg_1 [L298] state_18 = next_82_arg_1 [L299] state_23 = next_84_arg_1 [L300] state_26 = next_90_arg_1 [L301] state_41 = next_92_arg_1 [L302] state_43 = next_94_arg_1 [L303] state_45 = next_96_arg_1 [L304] state_47 = next_98_arg_1 [L305] state_49 = next_100_arg_1 [L306] state_53 = next_102_arg_1 [L307] state_55 = next_104_arg_1 [L308] state_57 = next_106_arg_1 [L309] state_59 = next_114_arg_1 [L310] state_62 = next_116_arg_1 [L311] state_64 = next_118_arg_1 [L312] state_66 = next_120_arg_1 [L313] state_68 = next_122_arg_1 [L314] state_70 = next_124_arg_1 [L315] state_72 = next_126_arg_1 VAL [bad_34_arg_0=0, init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, input_2=0, input_3=0, input_35=15, input_37=13, input_39=14, input_4=0, input_51=12, input_6=16, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_100_arg_1=0, next_102_arg_1=0, next_104_arg_1=0, next_106_arg_1=0, next_114_arg_1=0, next_116_arg_1=0, next_118_arg_1=0, next_120_arg_1=0, next_122_arg_1=0, next_124_arg_1=0, next_126_arg_1=0, next_78_arg_1=56, next_80_arg_1=31, next_82_arg_1=65, next_84_arg_1=1, next_90_arg_1=216, next_92_arg_1=0, next_94_arg_1=0, next_96_arg_1=0, next_98_arg_1=0, state_10=56, state_12=31, state_18=65, state_23=1, state_26=216, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_101=0, var_101_arg_0=0, var_101_arg_1=0, var_101_arg_2=0, var_103=0, var_103_arg_0=0, var_103_arg_1=0, var_103_arg_2=0, var_105=0, var_105_arg_0=0, var_105_arg_1=0, var_105_arg_2=0, var_107=0, var_107_arg_0=0, var_107_arg_1=0, var_108=0, var_108_arg_0=0, var_108_arg_1=0, var_109=1, var_110=0, var_110_arg_0=0, var_110_arg_1=1, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_112=0, var_112_arg_0=0, var_112_arg_1=0, var_112_arg_2=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_113_arg_2=0, var_115=0, var_115_arg_0=0, var_115_arg_1=0, var_115_arg_2=0, var_117=0, var_117_arg_0=0, var_117_arg_1=0, var_117_arg_2=0, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=0, var_121_arg_0=0, var_121_arg_1=0, var_121_arg_2=0, var_123=0, var_123_arg_0=0, var_123_arg_1=0, var_123_arg_2=0, var_125=0, var_125_arg_0=0, var_125_arg_1=0, var_125_arg_2=0, var_14=0, var_14_arg_0=0, var_14_arg_1=0, var_15=0, var_15_arg_0=0, var_15_arg_1=0, var_16=0, var_16_arg_0=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_25_arg_2=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_31=1, var_32=254, var_32_arg_0=1, var_33=0, var_33_arg_0=1, var_33_arg_1=254, var_76=0, var_76_arg_0=0, var_76_arg_1=1, var_77=56, var_77_arg_0=0, var_77_arg_1=0, var_77_arg_2=56, var_79=31, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=31, var_81=65, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=65, var_83=1, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=1, var_85=216, var_85_arg_0=25, var_85_arg_1=65, var_86=216, var_86_arg_0=25, var_86_arg_1=65, var_87=216, var_87_arg_0=1, var_87_arg_1=216, var_87_arg_2=216, var_88=0, var_88_arg_0=0, var_88_arg_1=1, var_89=216, var_89_arg_0=0, var_89_arg_1=0, var_89_arg_2=216, var_9=0, var_91=0, var_91_arg_0=0, var_91_arg_1=0, var_91_arg_2=0, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=0, var_95_arg_0=0, var_95_arg_1=0, var_95_arg_2=0, var_97=0, var_97_arg_0=0, var_97_arg_1=0, var_97_arg_2=0, var_99=0, var_99_arg_0=0, var_99_arg_1=0, var_99_arg_2=0] [L110] input_2 = __VERIFIER_nondet_uchar() [L111] input_3 = __VERIFIER_nondet_uchar() [L112] input_4 = __VERIFIER_nondet_uchar() [L113] input_6 = __VERIFIER_nondet_uchar() [L114] input_7 = __VERIFIER_nondet_uchar() [L115] input_8 = __VERIFIER_nondet_uchar() [L116] input_8 = input_8 & mask_SORT_5 [L117] input_35 = __VERIFIER_nondet_uchar() [L118] input_37 = __VERIFIER_nondet_uchar() [L119] input_39 = __VERIFIER_nondet_uchar() [L120] input_51 = __VERIFIER_nondet_uchar() [L123] SORT_1 var_16_arg_0 = state_10; [L124] SORT_5 var_16 = var_16_arg_0 >> 0; [L125] var_16 = var_16 & mask_SORT_5 [L126] SORT_1 var_15_arg_0 = state_10; [L127] SORT_1 var_15_arg_1 = state_12; [L128] SORT_1 var_15 = var_15_arg_0 + var_15_arg_1; [L129] SORT_1 var_14_arg_0 = state_10; [L130] SORT_1 var_14_arg_1 = state_12; [L131] SORT_1 var_14 = var_14_arg_0 - var_14_arg_1; [L132] SORT_5 var_17_arg_0 = var_16; [L133] SORT_1 var_17_arg_1 = var_15; [L134] SORT_1 var_17_arg_2 = var_14; [L135] SORT_1 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L136] SORT_1 var_21_arg_0 = var_17; [L137] SORT_1 var_21_arg_1 = state_18; [L138] SORT_1 var_21 = var_21_arg_0 + var_21_arg_1; [L139] SORT_1 var_20_arg_0 = var_17; [L140] SORT_1 var_20_arg_1 = state_18; [L141] SORT_1 var_20 = var_20_arg_0 - var_20_arg_1; [L142] SORT_5 var_25_arg_0 = state_23; [L143] SORT_1 var_25_arg_1 = var_21; [L144] SORT_1 var_25_arg_2 = var_20; [L145] SORT_1 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L146] var_25 = var_25 & mask_SORT_1 [L147] SORT_1 var_28_arg_0 = var_25; [L148] SORT_1 var_28_arg_1 = state_26; [L149] SORT_5 var_28 = var_28_arg_0 == var_28_arg_1; [L150] SORT_5 var_32_arg_0 = var_28; [L151] SORT_5 var_32 = ~var_32_arg_0; [L152] SORT_5 var_33_arg_0 = var_31; [L153] SORT_5 var_33_arg_1 = var_32; [L154] SORT_5 var_33 = var_33_arg_0 & var_33_arg_1; [L155] var_33 = var_33 & mask_SORT_5 [L156] SORT_5 bad_34_arg_0 = var_33; [L157] CALL __VERIFIER_assert(!(bad_34_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 83.6s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 31 IncrementalHoareTripleChecker+Unchecked, 71 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 14 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 57 SyntacticMatches, 11 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 55.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 24, 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 77.9s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 106 ConstructedInterpolants, 45 QuantifiedInterpolants, 11948 SizeOfPredicates, 757 NumberOfNonLiveVariables, 2436 ConjunctsInSsa, 776 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 0/54 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 proved your program to be incorrect! [2022-11-19 08:30:47,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10a3e37-13b2-4d09-b282-73401ab88b32/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE