./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba --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 9d5a40d30bdb637dd2c987738fb0d731ff79366f937c446bccf8e9f932481a19 --- 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-b5237d8 [2022-11-22 02:29:05,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:29:05,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:29:05,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:29:05,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:29:05,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:29:05,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:29:05,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:29:05,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:29:05,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:29:05,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:29:05,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:29:05,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:29:05,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:29:05,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:29:05,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:29:05,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:29:05,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:29:05,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:29:05,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:29:05,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:29:05,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:29:05,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:29:05,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:29:05,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:29:05,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:29:05,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:29:05,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:29:05,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:29:05,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:29:05,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:29:05,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:29:05,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:29:05,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:29:05,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:29:05,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:29:05,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:29:05,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:29:05,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:29:05,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:29:05,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:29:05,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:29:05,936 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:29:05,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:29:05,937 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:29:05,937 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:29:05,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:29:05,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:29:05,938 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:29:05,938 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:29:05,939 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:29:05,939 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:29:05,939 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:29:05,939 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:29:05,939 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:29:05,940 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:29:05,940 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:29:05,940 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:29:05,940 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:29:05,940 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:29:05,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:29:05,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:29:05,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:29:05,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:29:05,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:29:05,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:29:05,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:29:05,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:29:05,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:29:05,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:29:05,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:29:05,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:29:05,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:29:05,944 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:29:05,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:29:05,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:29:05,944 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:29:05,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:29:05,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:29:05,945 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:29:05,945 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_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d5a40d30bdb637dd2c987738fb0d731ff79366f937c446bccf8e9f932481a19 [2022-11-22 02:29:06,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:29:06,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:29:06,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:29:06,274 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:29:06,275 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:29:06,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2022-11-22 02:29:09,485 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:29:09,726 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:29:09,726 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2022-11-22 02:29:09,737 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/data/8ece57a77/aa4b3dafafe843df84562b8f3af9d956/FLAGbd5bc140a [2022-11-22 02:29:09,756 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/data/8ece57a77/aa4b3dafafe843df84562b8f3af9d956 [2022-11-22 02:29:09,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:29:09,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:29:09,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:29:09,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:29:09,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:29:09,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:29:09" (1/1) ... [2022-11-22 02:29:09,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2bc526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:09, skipping insertion in model container [2022-11-22 02:29:09,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:29:09" (1/1) ... [2022-11-22 02:29:09,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:29:09,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:29:09,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1107,1120] [2022-11-22 02:29:10,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:29:10,027 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:29:10,038 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1107,1120] [2022-11-22 02:29:10,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:29:10,108 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:29:10,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:10 WrapperNode [2022-11-22 02:29:10,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:29:10,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:29:10,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:29:10,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:29:10,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:10" (1/1) ... [2022-11-22 02:29:10,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:10" (1/1) ... [2022-11-22 02:29:10,167 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 227 [2022-11-22 02:29:10,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:29:10,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:29:10,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:29:10,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:29:10,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:10" (1/1) ... [2022-11-22 02:29:10,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:10" (1/1) ... [2022-11-22 02:29:10,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:10" (1/1) ... [2022-11-22 02:29:10,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:10" (1/1) ... [2022-11-22 02:29:10,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:10" (1/1) ... [2022-11-22 02:29:10,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:10" (1/1) ... [2022-11-22 02:29:10,213 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:10" (1/1) ... [2022-11-22 02:29:10,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:10" (1/1) ... [2022-11-22 02:29:10,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:29:10,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:29:10,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:29:10,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:29:10,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:10" (1/1) ... [2022-11-22 02:29:10,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:29:10,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:29:10,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:29:10,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:29:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:29:10,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:29:10,427 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:29:10,429 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:29:11,009 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:29:11,027 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:29:11,028 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:29:11,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:29:11 BoogieIcfgContainer [2022-11-22 02:29:11,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:29:11,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:29:11,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:29:11,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:29:11,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:29:09" (1/3) ... [2022-11-22 02:29:11,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f107740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:29:11, skipping insertion in model container [2022-11-22 02:29:11,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:10" (2/3) ... [2022-11-22 02:29:11,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f107740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:29:11, skipping insertion in model container [2022-11-22 02:29:11,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:29:11" (3/3) ... [2022-11-22 02:29:11,044 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v3.c [2022-11-22 02:29:11,068 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:29:11,068 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:29:11,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:29:11,148 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;@48b4ba0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:29:11,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:29:11,154 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) [2022-11-22 02:29:11,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 02:29:11,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:29:11,163 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 02:29:11,164 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:29:11,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:29:11,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1797488, now seen corresponding path program 1 times [2022-11-22 02:29:11,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:29:11,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788012303] [2022-11-22 02:29:11,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:29:11,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:29:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:29:11,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 02:29:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:29:11,560 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 02:29:11,562 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 02:29:11,564 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 02:29:11,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:29:11,571 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 02:29:11,575 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:29:11,606 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:29:11,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:29:11 BoogieIcfgContainer [2022-11-22 02:29:11,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:29:11,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:29:11,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:29:11,618 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:29:11,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:29:11" (3/4) ... [2022-11-22 02:29:11,627 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 02:29:11,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:29:11,629 INFO L158 Benchmark]: Toolchain (without parser) took 1865.36ms. Allocated memory is still 172.0MB. Free memory was 128.2MB in the beginning and 97.6MB in the end (delta: 30.6MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2022-11-22 02:29:11,630 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:29:11,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.33ms. Allocated memory is still 172.0MB. Free memory was 128.2MB in the beginning and 113.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-22 02:29:11,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.33ms. Allocated memory is still 172.0MB. Free memory was 113.8MB in the beginning and 110.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 02:29:11,634 INFO L158 Benchmark]: Boogie Preprocessor took 49.72ms. Allocated memory is still 172.0MB. Free memory was 110.7MB in the beginning and 109.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:29:11,638 INFO L158 Benchmark]: RCFGBuilder took 812.52ms. Allocated memory is still 172.0MB. Free memory was 109.0MB in the beginning and 119.2MB in the end (delta: -10.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2022-11-22 02:29:11,641 INFO L158 Benchmark]: TraceAbstraction took 582.37ms. Allocated memory is still 172.0MB. Free memory was 118.6MB in the beginning and 97.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-22 02:29:11,642 INFO L158 Benchmark]: Witness Printer took 10.62ms. Allocated memory is still 172.0MB. Free memory was 97.6MB in the beginning and 97.6MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:29:11,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.33ms. Allocated memory is still 172.0MB. Free memory was 128.2MB in the beginning and 113.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.33ms. Allocated memory is still 172.0MB. Free memory was 113.8MB in the beginning and 110.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.72ms. Allocated memory is still 172.0MB. Free memory was 110.7MB in the beginning and 109.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 812.52ms. Allocated memory is still 172.0MB. Free memory was 109.0MB in the beginning and 119.2MB in the end (delta: -10.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * TraceAbstraction took 582.37ms. Allocated memory is still 172.0MB. Free memory was 118.6MB in the beginning and 97.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 10.62ms. Allocated memory is still 172.0MB. Free memory was 97.6MB in the beginning and 97.6MB in the end (delta: 2.7kB). 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 98, overapproximation of bitwiseAnd at line 87. 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_10 = 0; [L32] const SORT_5 var_18 = 1; [L33] const SORT_5 var_28 = 0; [L35] SORT_1 input_2; [L36] SORT_1 input_3; [L37] SORT_1 input_4; [L38] SORT_5 input_6; [L39] SORT_5 input_7; [L40] SORT_5 input_8; [L41] SORT_5 input_9; [L43] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L49] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L52] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_1 init_12_arg_1 = var_10; [L57] state_11 = init_12_arg_1 [L58] SORT_1 init_14_arg_1 = var_10; [L59] state_13 = init_14_arg_1 [L60] SORT_1 init_23_arg_1 = var_10; [L61] state_22 = init_23_arg_1 [L62] SORT_1 init_25_arg_1 = var_10; [L63] state_24 = init_25_arg_1 [L64] SORT_1 init_27_arg_1 = var_10; [L65] state_26 = init_27_arg_1 [L66] SORT_5 init_30_arg_1 = var_28; [L67] state_29 = init_30_arg_1 [L68] SORT_5 init_32_arg_1 = var_28; [L69] state_31 = init_32_arg_1 [L70] SORT_1 init_34_arg_1 = var_10; [L71] state_33 = init_34_arg_1 [L72] SORT_5 init_36_arg_1 = var_28; [L73] state_35 = init_36_arg_1 [L74] SORT_1 init_38_arg_1 = var_10; [L75] state_37 = init_38_arg_1 [L76] SORT_1 init_41_arg_1 = var_10; [L77] state_40 = init_41_arg_1 [L78] SORT_1 init_43_arg_1 = var_10; [L79] state_42 = init_43_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L82] input_2 = __VERIFIER_nondet_uchar() [L83] input_3 = __VERIFIER_nondet_uchar() [L84] input_4 = __VERIFIER_nondet_uchar() [L85] input_6 = __VERIFIER_nondet_uchar() [L86] input_7 = __VERIFIER_nondet_uchar() [L87] input_7 = input_7 & mask_SORT_5 [L88] input_8 = __VERIFIER_nondet_uchar() [L89] input_8 = input_8 & mask_SORT_5 [L90] input_9 = __VERIFIER_nondet_uchar() [L91] input_9 = input_9 & mask_SORT_5 [L94] SORT_1 var_15_arg_0 = state_11; [L95] SORT_1 var_15_arg_1 = state_13; [L96] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L97] SORT_5 var_19_arg_0 = var_15; [L98] SORT_5 var_19 = ~var_19_arg_0; [L99] SORT_5 var_20_arg_0 = var_18; [L100] SORT_5 var_20_arg_1 = var_19; [L101] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L102] var_20 = var_20 & mask_SORT_5 [L103] SORT_5 bad_21_arg_0 = var_20; [L104] CALL __VERIFIER_assert(!(bad_21_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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-22 02:29:11,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba --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 9d5a40d30bdb637dd2c987738fb0d731ff79366f937c446bccf8e9f932481a19 --- 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-b5237d8 [2022-11-22 02:29:14,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:29:14,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:29:14,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:29:14,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:29:14,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:29:14,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:29:14,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:29:14,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:29:14,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:29:14,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:29:14,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:29:14,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:29:14,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:29:14,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:29:14,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:29:14,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:29:14,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:29:14,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:29:14,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:29:14,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:29:14,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:29:14,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:29:14,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:29:14,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:29:14,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:29:14,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:29:14,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:29:14,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:29:14,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:29:14,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:29:14,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:29:14,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:29:14,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:29:14,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:29:14,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:29:14,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:29:14,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:29:14,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:29:14,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:29:14,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:29:14,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-22 02:29:14,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:29:14,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:29:14,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:29:14,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:29:14,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:29:14,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:29:14,439 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:29:14,439 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:29:14,440 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:29:14,440 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:29:14,441 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:29:14,441 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:29:14,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:29:14,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:29:14,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:29:14,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:29:14,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:29:14,444 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:29:14,444 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:29:14,444 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:29:14,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:29:14,445 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:29:14,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:29:14,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:29:14,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:29:14,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:29:14,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:29:14,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:29:14,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:29:14,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:29:14,447 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:29:14,447 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:29:14,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:29:14,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:29:14,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:29:14,449 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_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d5a40d30bdb637dd2c987738fb0d731ff79366f937c446bccf8e9f932481a19 [2022-11-22 02:29:14,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:29:14,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:29:14,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:29:14,891 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:29:14,892 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:29:14,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2022-11-22 02:29:17,991 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:29:18,259 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:29:18,260 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2022-11-22 02:29:18,268 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/data/ab09381f4/5811255707794eec97a50f366774efff/FLAG23f55021b [2022-11-22 02:29:18,288 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/data/ab09381f4/5811255707794eec97a50f366774efff [2022-11-22 02:29:18,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:29:18,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:29:18,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:29:18,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:29:18,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:29:18,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:29:18" (1/1) ... [2022-11-22 02:29:18,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec994c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:18, skipping insertion in model container [2022-11-22 02:29:18,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:29:18" (1/1) ... [2022-11-22 02:29:18,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:29:18,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:29:18,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1107,1120] [2022-11-22 02:29:18,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:29:18,653 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:29:18,668 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1107,1120] [2022-11-22 02:29:18,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:29:18,757 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:29:18,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:18 WrapperNode [2022-11-22 02:29:18,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:29:18,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:29:18,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:29:18,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:29:18,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:18" (1/1) ... [2022-11-22 02:29:18,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:18" (1/1) ... [2022-11-22 02:29:18,857 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 227 [2022-11-22 02:29:18,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:29:18,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:29:18,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:29:18,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:29:18,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:18" (1/1) ... [2022-11-22 02:29:18,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:18" (1/1) ... [2022-11-22 02:29:18,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:18" (1/1) ... [2022-11-22 02:29:18,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:18" (1/1) ... [2022-11-22 02:29:18,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:18" (1/1) ... [2022-11-22 02:29:18,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:18" (1/1) ... [2022-11-22 02:29:18,910 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:18" (1/1) ... [2022-11-22 02:29:18,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:18" (1/1) ... [2022-11-22 02:29:18,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:29:18,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:29:18,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:29:18,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:29:18,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:18" (1/1) ... [2022-11-22 02:29:18,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:29:18,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:29:18,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:29:19,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:29:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:29:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:29:19,212 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:29:19,214 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:29:19,534 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:29:19,542 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:29:19,542 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:29:19,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:29:19 BoogieIcfgContainer [2022-11-22 02:29:19,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:29:19,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:29:19,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:29:19,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:29:19,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:29:18" (1/3) ... [2022-11-22 02:29:19,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f91f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:29:19, skipping insertion in model container [2022-11-22 02:29:19,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:18" (2/3) ... [2022-11-22 02:29:19,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f91f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:29:19, skipping insertion in model container [2022-11-22 02:29:19,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:29:19" (3/3) ... [2022-11-22 02:29:19,553 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v3.c [2022-11-22 02:29:19,573 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:29:19,573 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:29:19,656 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:29:19,665 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;@4f749407, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:29:19,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:29:19,670 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) [2022-11-22 02:29:19,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 02:29:19,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:29:19,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 02:29:19,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:29:19,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:29:19,689 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-22 02:29:19,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:29:19,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1857867344] [2022-11-22 02:29:19,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:29:19,709 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 [2022-11-22 02:29:19,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:29:19,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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) [2022-11-22 02:29:19,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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 [2022-11-22 02:29:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:29:19,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-22 02:29:19,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:29:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:29:20,017 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:29:20,018 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:29:20,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1857867344] [2022-11-22 02:29:20,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1857867344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:29:20,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:29:20,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:29:20,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230976811] [2022-11-22 02:29:20,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:29:20,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:29:20,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:29:20,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:29:20,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:29:20,058 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) [2022-11-22 02:29:20,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:29:20,134 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-22 02:29:20,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:29:20,136 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 [2022-11-22 02:29:20,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:29:20,145 INFO L225 Difference]: With dead ends: 20 [2022-11-22 02:29:20,145 INFO L226 Difference]: Without dead ends: 11 [2022-11-22 02:29:20,148 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 [2022-11-22 02:29:20,151 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 [2022-11-22 02:29:20,153 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] [2022-11-22 02:29:20,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-22 02:29:20,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-22 02:29:20,181 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) [2022-11-22 02:29:20,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-22 02:29:20,183 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-22 02:29:20,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:29:20,183 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-22 02:29:20,183 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) [2022-11-22 02:29:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-22 02:29:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 02:29:20,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:29:20,184 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-22 02:29:20,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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 [2022-11-22 02:29:20,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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 [2022-11-22 02:29:20,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:29:20,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:29:20,386 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-22 02:29:20,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:29:20,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700668761] [2022-11-22 02:29:20,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:29:20,388 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 [2022-11-22 02:29:20,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:29:20,390 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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) [2022-11-22 02:29:20,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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 [2022-11-22 02:29:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:29:20,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-22 02:29:20,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:29:21,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:29:21,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:29:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:29:22,349 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:29:22,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700668761] [2022-11-22 02:29:22,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1700668761] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:29:22,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1348846431] [2022-11-22 02:29:22,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:29:22,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 02:29:22,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 02:29:22,358 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 02:29:22,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-22 02:29:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:29:22,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 66 conjunts are in the unsatisfiable core [2022-11-22 02:29:22,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:29:23,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:29:23,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:29:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:29:23,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1348846431] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:29:23,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847582291] [2022-11-22 02:29:23,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:29:23,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:29:23,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:29:23,622 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:29:23,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 02:29:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:29:23,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-22 02:29:23,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:29:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:29:23,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:29:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:29:24,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847582291] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:29:24,893 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-22 02:29:24,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 16 [2022-11-22 02:29:24,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186914738] [2022-11-22 02:29:24,895 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-22 02:29:24,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-22 02:29:24,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:29:24,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-22 02:29:24,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2022-11-22 02:29:24,898 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 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) [2022-11-22 02:29:25,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:29:25,087 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-22 02:29:25,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:29:25,088 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 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 [2022-11-22 02:29:25,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:29:25,089 INFO L225 Difference]: With dead ends: 16 [2022-11-22 02:29:25,089 INFO L226 Difference]: Without dead ends: 14 [2022-11-22 02:29:25,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2022-11-22 02:29:25,090 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 20 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:29:25,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 25 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:29:25,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-22 02:29:25,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-22 02:29:25,095 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) [2022-11-22 02:29:25,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-22 02:29:25,096 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-22 02:29:25,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:29:25,096 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-22 02:29:25,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 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) [2022-11-22 02:29:25,097 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-22 02:29:25,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 02:29:25,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:29:25,098 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-22 02:29:25,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2022-11-22 02:29:25,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 02:29:25,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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 [2022-11-22 02:29:25,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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 [2022-11-22 02:29:25,707 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:29:25,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:29:25,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-22 02:29:25,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:29:25,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729131402] [2022-11-22 02:29:25,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-22 02:29:25,709 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 [2022-11-22 02:29:25,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:29:25,711 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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) [2022-11-22 02:29:25,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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 [2022-11-22 02:29:25,876 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-22 02:29:25,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:29:25,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 74 conjunts are in the unsatisfiable core [2022-11-22 02:29:25,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:29:26,290 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:29:26,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:29:28,928 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:29:28,928 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:29:28,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729131402] [2022-11-22 02:29:28,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729131402] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:29:28,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1421029022] [2022-11-22 02:29:28,929 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-22 02:29:28,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 02:29:28,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 02:29:28,931 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 02:29:28,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-22 02:29:29,254 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-22 02:29:29,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:29:29,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 107 conjunts are in the unsatisfiable core [2022-11-22 02:29:29,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:29:30,094 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:29:30,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:29:33,302 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:29:33,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1421029022] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:29:33,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325889843] [2022-11-22 02:29:33,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-22 02:29:33,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:29:33,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:29:33,307 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:29:33,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 02:29:33,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-22 02:29:33,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:29:33,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 83 conjunts are in the unsatisfiable core [2022-11-22 02:29:33,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:29:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:29:33,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:29:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:29:35,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325889843] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:29:35,933 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-22 02:29:35,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8, 8, 8, 7] total 21 [2022-11-22 02:29:35,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694549715] [2022-11-22 02:29:35,934 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-22 02:29:35,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-22 02:29:35,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:29:35,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-22 02:29:35,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2022-11-22 02:29:35,939 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 21 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 21 states have internal predecessors, (39), 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) [2022-11-22 02:29:36,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:29:36,356 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-22 02:29:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:29:36,357 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 21 states have internal predecessors, (39), 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 [2022-11-22 02:29:36,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:29:36,358 INFO L225 Difference]: With dead ends: 19 [2022-11-22 02:29:36,358 INFO L226 Difference]: Without dead ends: 17 [2022-11-22 02:29:36,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 36 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2022-11-22 02:29:36,359 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 23 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:29:36,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 33 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:29:36,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-22 02:29:36,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-22 02:29:36,365 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) [2022-11-22 02:29:36,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-22 02:29:36,365 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-22 02:29:36,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:29:36,366 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-22 02:29:36,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 21 states have internal predecessors, (39), 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) [2022-11-22 02:29:36,366 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-22 02:29:36,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:29:36,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:29:36,368 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-22 02:29:36,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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 [2022-11-22 02:29:36,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 02:29:36,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-11-22 02:29:36,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt [2022-11-22 02:29:36,969 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:29:36,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:29:36,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-22 02:29:36,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:29:36,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465898164] [2022-11-22 02:29:36,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 02:29:36,971 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 [2022-11-22 02:29:36,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:29:36,973 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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) [2022-11-22 02:29:36,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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 [2022-11-22 02:29:37,187 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-22 02:29:37,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-22 02:29:37,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 02:29:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:29:37,438 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-22 02:29:37,439 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 02:29:37,440 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 02:29:37,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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)] Ended with exit code 0 [2022-11-22 02:29:37,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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 [2022-11-22 02:29:37,661 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-22 02:29:37,665 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:29:37,729 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:29:37,742 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:29:37,743 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:29:37,743 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:29:37,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:29:37 BoogieIcfgContainer [2022-11-22 02:29:37,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:29:37,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:29:37,766 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:29:37,766 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:29:37,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:29:19" (3/4) ... [2022-11-22 02:29:37,768 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-22 02:29:37,789 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:29:37,790 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:29:37,790 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:29:37,790 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:29:37,874 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 02:29:37,874 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:29:37,875 INFO L158 Benchmark]: Toolchain (without parser) took 19582.43ms. Allocated memory was 79.7MB in the beginning and 209.7MB in the end (delta: 130.0MB). Free memory was 58.2MB in the beginning and 72.3MB in the end (delta: -14.0MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2022-11-22 02:29:37,875 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:29:37,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.49ms. Allocated memory is still 79.7MB. Free memory was 58.0MB in the beginning and 43.8MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 02:29:37,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.24ms. Allocated memory is still 79.7MB. Free memory was 43.6MB in the beginning and 60.3MB in the end (delta: -16.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-11-22 02:29:37,876 INFO L158 Benchmark]: Boogie Preprocessor took 69.37ms. Allocated memory is still 79.7MB. Free memory was 60.3MB in the beginning and 58.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:29:37,876 INFO L158 Benchmark]: RCFGBuilder took 616.85ms. Allocated memory is still 79.7MB. Free memory was 58.2MB in the beginning and 37.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-22 02:29:37,877 INFO L158 Benchmark]: TraceAbstraction took 18218.25ms. Allocated memory was 79.7MB in the beginning and 209.7MB in the end (delta: 130.0MB). Free memory was 36.9MB in the beginning and 84.8MB in the end (delta: -48.0MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2022-11-22 02:29:37,877 INFO L158 Benchmark]: Witness Printer took 108.67ms. Allocated memory is still 209.7MB. Free memory was 84.8MB in the beginning and 72.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 02:29:37,879 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.49ms. Allocated memory is still 79.7MB. Free memory was 58.0MB in the beginning and 43.8MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.24ms. Allocated memory is still 79.7MB. Free memory was 43.6MB in the beginning and 60.3MB in the end (delta: -16.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.37ms. Allocated memory is still 79.7MB. Free memory was 60.3MB in the beginning and 58.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.85ms. Allocated memory is still 79.7MB. Free memory was 58.2MB in the beginning and 37.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 18218.25ms. Allocated memory was 79.7MB in the beginning and 209.7MB in the end (delta: 130.0MB). Free memory was 36.9MB in the beginning and 84.8MB in the end (delta: -48.0MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Witness Printer took 108.67ms. Allocated memory is still 209.7MB. Free memory was 84.8MB in the beginning and 72.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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_10 = 0; [L32] const SORT_5 var_18 = 1; [L33] const SORT_5 var_28 = 0; [L35] SORT_1 input_2; [L36] SORT_1 input_3; [L37] SORT_1 input_4; [L38] SORT_5 input_6; [L39] SORT_5 input_7; [L40] SORT_5 input_8; [L41] SORT_5 input_9; [L43] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L49] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L52] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_1 init_12_arg_1 = var_10; [L57] state_11 = init_12_arg_1 [L58] SORT_1 init_14_arg_1 = var_10; [L59] state_13 = init_14_arg_1 [L60] SORT_1 init_23_arg_1 = var_10; [L61] state_22 = init_23_arg_1 [L62] SORT_1 init_25_arg_1 = var_10; [L63] state_24 = init_25_arg_1 [L64] SORT_1 init_27_arg_1 = var_10; [L65] state_26 = init_27_arg_1 [L66] SORT_5 init_30_arg_1 = var_28; [L67] state_29 = init_30_arg_1 [L68] SORT_5 init_32_arg_1 = var_28; [L69] state_31 = init_32_arg_1 [L70] SORT_1 init_34_arg_1 = var_10; [L71] state_33 = init_34_arg_1 [L72] SORT_5 init_36_arg_1 = var_28; [L73] state_35 = init_36_arg_1 [L74] SORT_1 init_38_arg_1 = var_10; [L75] state_37 = init_38_arg_1 [L76] SORT_1 init_41_arg_1 = var_10; [L77] state_40 = init_41_arg_1 [L78] SORT_1 init_43_arg_1 = var_10; [L79] state_42 = init_43_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L82] input_2 = __VERIFIER_nondet_uchar() [L83] input_3 = __VERIFIER_nondet_uchar() [L84] input_4 = __VERIFIER_nondet_uchar() [L85] input_6 = __VERIFIER_nondet_uchar() [L86] input_7 = __VERIFIER_nondet_uchar() [L87] input_7 = input_7 & mask_SORT_5 [L88] input_8 = __VERIFIER_nondet_uchar() [L89] input_8 = input_8 & mask_SORT_5 [L90] input_9 = __VERIFIER_nondet_uchar() [L91] input_9 = input_9 & mask_SORT_5 [L94] SORT_1 var_15_arg_0 = state_11; [L95] SORT_1 var_15_arg_1 = state_13; [L96] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L97] SORT_5 var_19_arg_0 = var_15; [L98] SORT_5 var_19 = ~var_19_arg_0; [L99] SORT_5 var_20_arg_0 = var_18; [L100] SORT_5 var_20_arg_1 = var_19; [L101] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L102] var_20 = var_20 & mask_SORT_5 [L103] SORT_5 bad_21_arg_0 = var_20; [L104] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L104] RET __VERIFIER_assert(!(bad_21_arg_0)) [L106] SORT_5 var_52_arg_0 = input_9; [L107] SORT_5 var_52_arg_1 = var_18; [L108] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L109] SORT_5 var_53_arg_0 = var_52; [L110] SORT_1 var_53_arg_1 = var_10; [L111] SORT_1 var_53_arg_2 = state_42; [L112] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L113] var_53 = var_53 & mask_SORT_1 [L114] SORT_1 next_54_arg_1 = var_53; [L115] SORT_5 var_58_arg_0 = input_9; [L116] SORT_5 var_58_arg_1 = var_18; [L117] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L118] SORT_1 var_56_arg_0 = state_37; [L119] SORT_1 var_56_arg_1 = state_33; [L120] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L121] SORT_1 var_55_arg_0 = state_37; [L122] SORT_1 var_55_arg_1 = state_33; [L123] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L124] SORT_5 var_57_arg_0 = state_35; [L125] SORT_1 var_57_arg_1 = var_56; [L126] SORT_1 var_57_arg_2 = var_55; [L127] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L128] SORT_5 var_59_arg_0 = var_58; [L129] SORT_1 var_59_arg_1 = var_10; [L130] SORT_1 var_59_arg_2 = var_57; [L131] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L132] var_59 = var_59 & mask_SORT_1 [L133] SORT_1 next_60_arg_1 = var_59; [L134] SORT_5 var_61_arg_0 = var_58; [L135] SORT_1 var_61_arg_1 = var_10; [L136] SORT_1 var_61_arg_2 = input_2; [L137] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L138] SORT_1 next_62_arg_1 = var_61; [L139] SORT_5 var_63_arg_0 = var_58; [L140] SORT_1 var_63_arg_1 = var_10; [L141] SORT_1 var_63_arg_2 = input_3; [L142] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L143] SORT_1 next_64_arg_1 = var_63; [L144] SORT_5 var_65_arg_0 = var_58; [L145] SORT_1 var_65_arg_1 = var_10; [L146] SORT_1 var_65_arg_2 = input_4; [L147] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L148] SORT_1 next_66_arg_1 = var_65; [L149] SORT_5 var_67_arg_0 = var_58; [L150] SORT_5 var_67_arg_1 = var_28; [L151] SORT_5 var_67_arg_2 = input_7; [L152] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L153] SORT_5 next_68_arg_1 = var_67; [L154] SORT_5 var_69_arg_0 = var_58; [L155] SORT_5 var_69_arg_1 = var_28; [L156] SORT_5 var_69_arg_2 = input_8; [L157] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L158] SORT_5 next_70_arg_1 = var_69; [L159] SORT_5 var_71_arg_0 = var_58; [L160] SORT_1 var_71_arg_1 = var_10; [L161] SORT_1 var_71_arg_2 = state_26; [L162] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L163] SORT_1 next_72_arg_1 = var_71; [L164] SORT_5 var_73_arg_0 = var_58; [L165] SORT_5 var_73_arg_1 = var_28; [L166] SORT_5 var_73_arg_2 = state_31; [L167] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L168] var_73 = var_73 & mask_SORT_5 [L169] SORT_5 next_74_arg_1 = var_73; [L170] SORT_5 var_77_arg_0 = state_29; [L171] SORT_5 var_77 = ~var_77_arg_0; [L172] var_77 = var_77 & mask_SORT_5 [L173] SORT_1 var_76_arg_0 = state_22; [L174] SORT_1 var_76_arg_1 = state_24; [L175] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L176] SORT_1 var_75_arg_0 = state_22; [L177] SORT_1 var_75_arg_1 = state_24; [L178] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L179] SORT_5 var_78_arg_0 = var_77; [L180] SORT_1 var_78_arg_1 = var_76; [L181] SORT_1 var_78_arg_2 = var_75; [L182] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L183] SORT_5 var_79_arg_0 = var_58; [L184] SORT_1 var_79_arg_1 = var_10; [L185] SORT_1 var_79_arg_2 = var_78; [L186] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L187] SORT_1 next_80_arg_1 = var_79; [L188] SORT_1 var_45_arg_0 = input_2; [L189] SORT_1 var_45_arg_1 = input_3; [L190] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L191] SORT_1 var_44_arg_0 = input_2; [L192] SORT_1 var_44_arg_1 = input_3; [L193] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L194] SORT_5 var_46_arg_0 = input_7; [L195] SORT_1 var_46_arg_1 = var_45; [L196] SORT_1 var_46_arg_2 = var_44; [L197] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L198] SORT_1 var_48_arg_0 = var_46; [L199] SORT_1 var_48_arg_1 = input_4; [L200] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L201] SORT_1 var_47_arg_0 = var_46; [L202] SORT_1 var_47_arg_1 = input_4; [L203] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L204] SORT_5 var_49_arg_0 = input_8; [L205] SORT_1 var_49_arg_1 = var_48; [L206] SORT_1 var_49_arg_2 = var_47; [L207] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L208] SORT_5 var_81_arg_0 = var_52; [L209] SORT_1 var_81_arg_1 = var_10; [L210] SORT_1 var_81_arg_2 = var_49; [L211] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L212] SORT_1 next_82_arg_1 = var_81; [L213] SORT_5 var_83_arg_0 = var_52; [L214] SORT_1 var_83_arg_1 = var_10; [L215] SORT_1 var_83_arg_2 = state_40; [L216] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L217] SORT_1 next_84_arg_1 = var_83; [L219] state_11 = next_54_arg_1 [L220] state_13 = next_60_arg_1 [L221] state_22 = next_62_arg_1 [L222] state_24 = next_64_arg_1 [L223] state_26 = next_66_arg_1 [L224] state_29 = next_68_arg_1 [L225] state_31 = next_70_arg_1 [L226] state_33 = next_72_arg_1 [L227] state_35 = next_74_arg_1 [L228] state_37 = next_80_arg_1 [L229] state_40 = next_82_arg_1 [L230] state_42 = next_84_arg_1 VAL [bad_21_arg_0=0, init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_2=64, input_3=192, input_4=0, input_6=2, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=0, next_60_arg_1=0, next_62_arg_1=64, next_64_arg_1=192, next_66_arg_1=0, next_68_arg_1=0, next_70_arg_1=0, next_72_arg_1=0, next_74_arg_1=0, next_80_arg_1=0, next_82_arg_1=128, next_84_arg_1=0, state_11=0, state_13=0, state_22=64, state_24=192, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=128, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20=0, var_20_arg_0=1, var_20_arg_1=254, var_28=0, var_44=128, var_44_arg_0=64, var_44_arg_1=192, var_45=0, var_45_arg_0=64, var_45_arg_1=192, var_46=128, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=128, var_47=128, var_47_arg_0=128, var_47_arg_1=0, var_48=128, var_48_arg_0=128, var_48_arg_1=0, var_49=128, var_49_arg_0=0, var_49_arg_1=128, var_49_arg_2=128, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=0, var_61=64, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=64, var_63=192, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=192, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_71=0, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=0, var_75=0, var_75_arg_0=0, var_75_arg_1=0, var_76=0, var_76_arg_0=0, var_76_arg_1=0, var_77=1, var_77_arg_0=0, var_78=0, var_78_arg_0=1, var_78_arg_1=0, var_78_arg_2=0, var_79=0, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=0, var_81=128, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=128, var_83=0, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=0] [L82] input_2 = __VERIFIER_nondet_uchar() [L83] input_3 = __VERIFIER_nondet_uchar() [L84] input_4 = __VERIFIER_nondet_uchar() [L85] input_6 = __VERIFIER_nondet_uchar() [L86] input_7 = __VERIFIER_nondet_uchar() [L87] input_7 = input_7 & mask_SORT_5 [L88] input_8 = __VERIFIER_nondet_uchar() [L89] input_8 = input_8 & mask_SORT_5 [L90] input_9 = __VERIFIER_nondet_uchar() [L91] input_9 = input_9 & mask_SORT_5 [L94] SORT_1 var_15_arg_0 = state_11; [L95] SORT_1 var_15_arg_1 = state_13; [L96] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L97] SORT_5 var_19_arg_0 = var_15; [L98] SORT_5 var_19 = ~var_19_arg_0; [L99] SORT_5 var_20_arg_0 = var_18; [L100] SORT_5 var_20_arg_1 = var_19; [L101] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L102] var_20 = var_20 & mask_SORT_5 [L103] SORT_5 bad_21_arg_0 = var_20; [L104] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L104] RET __VERIFIER_assert(!(bad_21_arg_0)) [L106] SORT_5 var_52_arg_0 = input_9; [L107] SORT_5 var_52_arg_1 = var_18; [L108] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L109] SORT_5 var_53_arg_0 = var_52; [L110] SORT_1 var_53_arg_1 = var_10; [L111] SORT_1 var_53_arg_2 = state_42; [L112] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L113] var_53 = var_53 & mask_SORT_1 [L114] SORT_1 next_54_arg_1 = var_53; [L115] SORT_5 var_58_arg_0 = input_9; [L116] SORT_5 var_58_arg_1 = var_18; [L117] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L118] SORT_1 var_56_arg_0 = state_37; [L119] SORT_1 var_56_arg_1 = state_33; [L120] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L121] SORT_1 var_55_arg_0 = state_37; [L122] SORT_1 var_55_arg_1 = state_33; [L123] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L124] SORT_5 var_57_arg_0 = state_35; [L125] SORT_1 var_57_arg_1 = var_56; [L126] SORT_1 var_57_arg_2 = var_55; [L127] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L128] SORT_5 var_59_arg_0 = var_58; [L129] SORT_1 var_59_arg_1 = var_10; [L130] SORT_1 var_59_arg_2 = var_57; [L131] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L132] var_59 = var_59 & mask_SORT_1 [L133] SORT_1 next_60_arg_1 = var_59; [L134] SORT_5 var_61_arg_0 = var_58; [L135] SORT_1 var_61_arg_1 = var_10; [L136] SORT_1 var_61_arg_2 = input_2; [L137] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L138] SORT_1 next_62_arg_1 = var_61; [L139] SORT_5 var_63_arg_0 = var_58; [L140] SORT_1 var_63_arg_1 = var_10; [L141] SORT_1 var_63_arg_2 = input_3; [L142] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L143] SORT_1 next_64_arg_1 = var_63; [L144] SORT_5 var_65_arg_0 = var_58; [L145] SORT_1 var_65_arg_1 = var_10; [L146] SORT_1 var_65_arg_2 = input_4; [L147] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L148] SORT_1 next_66_arg_1 = var_65; [L149] SORT_5 var_67_arg_0 = var_58; [L150] SORT_5 var_67_arg_1 = var_28; [L151] SORT_5 var_67_arg_2 = input_7; [L152] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L153] SORT_5 next_68_arg_1 = var_67; [L154] SORT_5 var_69_arg_0 = var_58; [L155] SORT_5 var_69_arg_1 = var_28; [L156] SORT_5 var_69_arg_2 = input_8; [L157] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L158] SORT_5 next_70_arg_1 = var_69; [L159] SORT_5 var_71_arg_0 = var_58; [L160] SORT_1 var_71_arg_1 = var_10; [L161] SORT_1 var_71_arg_2 = state_26; [L162] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L163] SORT_1 next_72_arg_1 = var_71; [L164] SORT_5 var_73_arg_0 = var_58; [L165] SORT_5 var_73_arg_1 = var_28; [L166] SORT_5 var_73_arg_2 = state_31; [L167] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L168] var_73 = var_73 & mask_SORT_5 [L169] SORT_5 next_74_arg_1 = var_73; [L170] SORT_5 var_77_arg_0 = state_29; [L171] SORT_5 var_77 = ~var_77_arg_0; [L172] var_77 = var_77 & mask_SORT_5 [L173] SORT_1 var_76_arg_0 = state_22; [L174] SORT_1 var_76_arg_1 = state_24; [L175] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L176] SORT_1 var_75_arg_0 = state_22; [L177] SORT_1 var_75_arg_1 = state_24; [L178] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L179] SORT_5 var_78_arg_0 = var_77; [L180] SORT_1 var_78_arg_1 = var_76; [L181] SORT_1 var_78_arg_2 = var_75; [L182] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L183] SORT_5 var_79_arg_0 = var_58; [L184] SORT_1 var_79_arg_1 = var_10; [L185] SORT_1 var_79_arg_2 = var_78; [L186] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L187] SORT_1 next_80_arg_1 = var_79; [L188] SORT_1 var_45_arg_0 = input_2; [L189] SORT_1 var_45_arg_1 = input_3; [L190] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L191] SORT_1 var_44_arg_0 = input_2; [L192] SORT_1 var_44_arg_1 = input_3; [L193] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L194] SORT_5 var_46_arg_0 = input_7; [L195] SORT_1 var_46_arg_1 = var_45; [L196] SORT_1 var_46_arg_2 = var_44; [L197] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L198] SORT_1 var_48_arg_0 = var_46; [L199] SORT_1 var_48_arg_1 = input_4; [L200] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L201] SORT_1 var_47_arg_0 = var_46; [L202] SORT_1 var_47_arg_1 = input_4; [L203] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L204] SORT_5 var_49_arg_0 = input_8; [L205] SORT_1 var_49_arg_1 = var_48; [L206] SORT_1 var_49_arg_2 = var_47; [L207] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L208] SORT_5 var_81_arg_0 = var_52; [L209] SORT_1 var_81_arg_1 = var_10; [L210] SORT_1 var_81_arg_2 = var_49; [L211] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L212] SORT_1 next_82_arg_1 = var_81; [L213] SORT_5 var_83_arg_0 = var_52; [L214] SORT_1 var_83_arg_1 = var_10; [L215] SORT_1 var_83_arg_2 = state_40; [L216] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L217] SORT_1 next_84_arg_1 = var_83; [L219] state_11 = next_54_arg_1 [L220] state_13 = next_60_arg_1 [L221] state_22 = next_62_arg_1 [L222] state_24 = next_64_arg_1 [L223] state_26 = next_66_arg_1 [L224] state_29 = next_68_arg_1 [L225] state_31 = next_70_arg_1 [L226] state_33 = next_72_arg_1 [L227] state_35 = next_74_arg_1 [L228] state_37 = next_80_arg_1 [L229] state_40 = next_82_arg_1 [L230] state_42 = next_84_arg_1 VAL [bad_21_arg_0=0, init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_2=0, input_3=0, input_4=0, input_6=3, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=0, next_60_arg_1=0, next_62_arg_1=0, next_64_arg_1=0, next_66_arg_1=0, next_68_arg_1=0, next_70_arg_1=0, next_72_arg_1=0, next_74_arg_1=0, next_80_arg_1=0, next_82_arg_1=0, next_84_arg_1=128, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=128, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20=0, var_20_arg_0=1, var_20_arg_1=254, var_28=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=0, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=0, var_63=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_71=0, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=0, var_75=128, var_75_arg_0=64, var_75_arg_1=192, var_76=0, var_76_arg_0=64, var_76_arg_1=192, var_77=1, var_77_arg_0=0, var_78=0, var_78_arg_0=1, var_78_arg_1=0, var_78_arg_2=128, 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=128, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=128] [L82] input_2 = __VERIFIER_nondet_uchar() [L83] input_3 = __VERIFIER_nondet_uchar() [L84] input_4 = __VERIFIER_nondet_uchar() [L85] input_6 = __VERIFIER_nondet_uchar() [L86] input_7 = __VERIFIER_nondet_uchar() [L87] input_7 = input_7 & mask_SORT_5 [L88] input_8 = __VERIFIER_nondet_uchar() [L89] input_8 = input_8 & mask_SORT_5 [L90] input_9 = __VERIFIER_nondet_uchar() [L91] input_9 = input_9 & mask_SORT_5 [L94] SORT_1 var_15_arg_0 = state_11; [L95] SORT_1 var_15_arg_1 = state_13; [L96] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L97] SORT_5 var_19_arg_0 = var_15; [L98] SORT_5 var_19 = ~var_19_arg_0; [L99] SORT_5 var_20_arg_0 = var_18; [L100] SORT_5 var_20_arg_1 = var_19; [L101] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L102] var_20 = var_20 & mask_SORT_5 [L103] SORT_5 bad_21_arg_0 = var_20; [L104] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L104] RET __VERIFIER_assert(!(bad_21_arg_0)) [L106] SORT_5 var_52_arg_0 = input_9; [L107] SORT_5 var_52_arg_1 = var_18; [L108] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L109] SORT_5 var_53_arg_0 = var_52; [L110] SORT_1 var_53_arg_1 = var_10; [L111] SORT_1 var_53_arg_2 = state_42; [L112] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L113] var_53 = var_53 & mask_SORT_1 [L114] SORT_1 next_54_arg_1 = var_53; [L115] SORT_5 var_58_arg_0 = input_9; [L116] SORT_5 var_58_arg_1 = var_18; [L117] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L118] SORT_1 var_56_arg_0 = state_37; [L119] SORT_1 var_56_arg_1 = state_33; [L120] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L121] SORT_1 var_55_arg_0 = state_37; [L122] SORT_1 var_55_arg_1 = state_33; [L123] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L124] SORT_5 var_57_arg_0 = state_35; [L125] SORT_1 var_57_arg_1 = var_56; [L126] SORT_1 var_57_arg_2 = var_55; [L127] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L128] SORT_5 var_59_arg_0 = var_58; [L129] SORT_1 var_59_arg_1 = var_10; [L130] SORT_1 var_59_arg_2 = var_57; [L131] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L132] var_59 = var_59 & mask_SORT_1 [L133] SORT_1 next_60_arg_1 = var_59; [L134] SORT_5 var_61_arg_0 = var_58; [L135] SORT_1 var_61_arg_1 = var_10; [L136] SORT_1 var_61_arg_2 = input_2; [L137] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L138] SORT_1 next_62_arg_1 = var_61; [L139] SORT_5 var_63_arg_0 = var_58; [L140] SORT_1 var_63_arg_1 = var_10; [L141] SORT_1 var_63_arg_2 = input_3; [L142] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L143] SORT_1 next_64_arg_1 = var_63; [L144] SORT_5 var_65_arg_0 = var_58; [L145] SORT_1 var_65_arg_1 = var_10; [L146] SORT_1 var_65_arg_2 = input_4; [L147] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L148] SORT_1 next_66_arg_1 = var_65; [L149] SORT_5 var_67_arg_0 = var_58; [L150] SORT_5 var_67_arg_1 = var_28; [L151] SORT_5 var_67_arg_2 = input_7; [L152] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L153] SORT_5 next_68_arg_1 = var_67; [L154] SORT_5 var_69_arg_0 = var_58; [L155] SORT_5 var_69_arg_1 = var_28; [L156] SORT_5 var_69_arg_2 = input_8; [L157] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L158] SORT_5 next_70_arg_1 = var_69; [L159] SORT_5 var_71_arg_0 = var_58; [L160] SORT_1 var_71_arg_1 = var_10; [L161] SORT_1 var_71_arg_2 = state_26; [L162] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L163] SORT_1 next_72_arg_1 = var_71; [L164] SORT_5 var_73_arg_0 = var_58; [L165] SORT_5 var_73_arg_1 = var_28; [L166] SORT_5 var_73_arg_2 = state_31; [L167] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L168] var_73 = var_73 & mask_SORT_5 [L169] SORT_5 next_74_arg_1 = var_73; [L170] SORT_5 var_77_arg_0 = state_29; [L171] SORT_5 var_77 = ~var_77_arg_0; [L172] var_77 = var_77 & mask_SORT_5 [L173] SORT_1 var_76_arg_0 = state_22; [L174] SORT_1 var_76_arg_1 = state_24; [L175] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L176] SORT_1 var_75_arg_0 = state_22; [L177] SORT_1 var_75_arg_1 = state_24; [L178] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L179] SORT_5 var_78_arg_0 = var_77; [L180] SORT_1 var_78_arg_1 = var_76; [L181] SORT_1 var_78_arg_2 = var_75; [L182] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L183] SORT_5 var_79_arg_0 = var_58; [L184] SORT_1 var_79_arg_1 = var_10; [L185] SORT_1 var_79_arg_2 = var_78; [L186] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L187] SORT_1 next_80_arg_1 = var_79; [L188] SORT_1 var_45_arg_0 = input_2; [L189] SORT_1 var_45_arg_1 = input_3; [L190] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L191] SORT_1 var_44_arg_0 = input_2; [L192] SORT_1 var_44_arg_1 = input_3; [L193] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L194] SORT_5 var_46_arg_0 = input_7; [L195] SORT_1 var_46_arg_1 = var_45; [L196] SORT_1 var_46_arg_2 = var_44; [L197] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L198] SORT_1 var_48_arg_0 = var_46; [L199] SORT_1 var_48_arg_1 = input_4; [L200] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L201] SORT_1 var_47_arg_0 = var_46; [L202] SORT_1 var_47_arg_1 = input_4; [L203] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L204] SORT_5 var_49_arg_0 = input_8; [L205] SORT_1 var_49_arg_1 = var_48; [L206] SORT_1 var_49_arg_2 = var_47; [L207] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L208] SORT_5 var_81_arg_0 = var_52; [L209] SORT_1 var_81_arg_1 = var_10; [L210] SORT_1 var_81_arg_2 = var_49; [L211] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L212] SORT_1 next_82_arg_1 = var_81; [L213] SORT_5 var_83_arg_0 = var_52; [L214] SORT_1 var_83_arg_1 = var_10; [L215] SORT_1 var_83_arg_2 = state_40; [L216] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L217] SORT_1 next_84_arg_1 = var_83; [L219] state_11 = next_54_arg_1 [L220] state_13 = next_60_arg_1 [L221] state_22 = next_62_arg_1 [L222] state_24 = next_64_arg_1 [L223] state_26 = next_66_arg_1 [L224] state_29 = next_68_arg_1 [L225] state_31 = next_70_arg_1 [L226] state_33 = next_72_arg_1 [L227] state_35 = next_74_arg_1 [L228] state_37 = next_80_arg_1 [L229] state_40 = next_82_arg_1 [L230] state_42 = next_84_arg_1 VAL [bad_21_arg_0=0, init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_2=0, input_3=0, input_4=0, input_6=4, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=128, next_60_arg_1=0, next_62_arg_1=0, next_64_arg_1=0, next_66_arg_1=0, next_68_arg_1=0, next_70_arg_1=0, next_72_arg_1=0, next_74_arg_1=0, next_80_arg_1=0, next_82_arg_1=0, next_84_arg_1=0, state_11=128, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20=0, var_20_arg_0=1, var_20_arg_1=254, var_28=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=128, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=128, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=0, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=0, var_63=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_71=0, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=0, var_75=0, var_75_arg_0=0, var_75_arg_1=0, var_76=0, var_76_arg_0=0, var_76_arg_1=0, var_77=1, var_77_arg_0=0, var_78=0, var_78_arg_0=1, var_78_arg_1=0, var_78_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] [L82] input_2 = __VERIFIER_nondet_uchar() [L83] input_3 = __VERIFIER_nondet_uchar() [L84] input_4 = __VERIFIER_nondet_uchar() [L85] input_6 = __VERIFIER_nondet_uchar() [L86] input_7 = __VERIFIER_nondet_uchar() [L87] input_7 = input_7 & mask_SORT_5 [L88] input_8 = __VERIFIER_nondet_uchar() [L89] input_8 = input_8 & mask_SORT_5 [L90] input_9 = __VERIFIER_nondet_uchar() [L91] input_9 = input_9 & mask_SORT_5 [L94] SORT_1 var_15_arg_0 = state_11; [L95] SORT_1 var_15_arg_1 = state_13; [L96] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L97] SORT_5 var_19_arg_0 = var_15; [L98] SORT_5 var_19 = ~var_19_arg_0; [L99] SORT_5 var_20_arg_0 = var_18; [L100] SORT_5 var_20_arg_1 = var_19; [L101] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L102] var_20 = var_20 & mask_SORT_5 [L103] SORT_5 bad_21_arg_0 = var_20; [L104] CALL __VERIFIER_assert(!(bad_21_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: 18.0s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 13 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 62 SyntacticMatches, 9 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 22, 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, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 106 ConstructedInterpolants, 41 QuantifiedInterpolants, 4769 SizeOfPredicates, 416 NumberOfNonLiveVariables, 1629 ConjunctsInSsa, 436 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! [2022-11-22 02:29:37,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c755a8f-af1a-496a-8249-59e4dbce3a8a/bin/utaipan-g80aRyZoba/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