./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/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_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-14 13:27:09,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:27:09,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:27:09,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:27:09,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:27:09,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:27:10,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:27:10,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:27:10,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:27:10,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:27:10,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:27:10,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:27:10,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:27:10,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:27:10,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:27:10,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:27:10,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:27:10,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:27:10,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:27:10,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:27:10,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:27:10,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:27:10,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:27:10,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:27:10,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:27:10,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:27:10,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:27:10,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:27:10,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:27:10,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:27:10,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:27:10,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:27:10,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:27:10,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:27:10,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:27:10,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:27:10,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:27:10,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:27:10,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:27:10,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:27:10,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:27:10,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 13:27:10,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:27:10,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:27:10,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:27:10,051 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:27:10,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:27:10,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:27:10,052 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:27:10,052 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:27:10,052 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:27:10,052 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:27:10,052 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:27:10,052 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:27:10,053 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:27:10,053 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:27:10,053 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:27:10,053 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:27:10,053 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:27:10,053 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:27:10,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:27:10,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:27:10,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:27:10,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:27:10,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:27:10,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:27:10,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:27:10,055 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:27:10,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:27:10,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:27:10,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:27:10,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:27:10,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:27:10,056 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:27:10,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:27:10,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:27:10,056 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:27:10,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:27:10,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:27:10,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:27:10,057 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_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d5a40d30bdb637dd2c987738fb0d731ff79366f937c446bccf8e9f932481a19 [2022-12-14 13:27:10,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:27:10,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:27:10,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:27:10,254 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:27:10,254 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:27:10,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2022-12-14 13:27:12,845 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:27:13,013 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:27:13,014 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2022-12-14 13:27:13,019 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/data/18cff092a/658b10bbd10945128b0a09b11258866d/FLAGbc08b340d [2022-12-14 13:27:13,030 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/data/18cff092a/658b10bbd10945128b0a09b11258866d [2022-12-14 13:27:13,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:27:13,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:27:13,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:27:13,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:27:13,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:27:13,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:27:13" (1/1) ... [2022-12-14 13:27:13,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a94f317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:13, skipping insertion in model container [2022-12-14 13:27:13,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:27:13" (1/1) ... [2022-12-14 13:27:13,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:27:13,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:27:13,191 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_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1107,1120] [2022-12-14 13:27:13,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:27:13,254 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:27:13,265 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_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1107,1120] [2022-12-14 13:27:13,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:27:13,310 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:27:13,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:13 WrapperNode [2022-12-14 13:27:13,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:27:13,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:27:13,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:27:13,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:27:13,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:13" (1/1) ... [2022-12-14 13:27:13,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:13" (1/1) ... [2022-12-14 13:27:13,354 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 227 [2022-12-14 13:27:13,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:27:13,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:27:13,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:27:13,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:27:13,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:13" (1/1) ... [2022-12-14 13:27:13,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:13" (1/1) ... [2022-12-14 13:27:13,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:13" (1/1) ... [2022-12-14 13:27:13,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:13" (1/1) ... [2022-12-14 13:27:13,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:13" (1/1) ... [2022-12-14 13:27:13,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:13" (1/1) ... [2022-12-14 13:27:13,381 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:13" (1/1) ... [2022-12-14 13:27:13,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:13" (1/1) ... [2022-12-14 13:27:13,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:27:13,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:27:13,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:27:13,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:27:13,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:13" (1/1) ... [2022-12-14 13:27:13,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:27:13,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:27:13,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:27:13,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:27:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:27:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:27:13,539 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:27:13,541 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:27:13,889 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:27:13,903 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:27:13,903 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 13:27:13,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:27:13 BoogieIcfgContainer [2022-12-14 13:27:13,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:27:13,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:27:13,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:27:13,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:27:13,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:27:13" (1/3) ... [2022-12-14 13:27:13,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348bb97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:27:13, skipping insertion in model container [2022-12-14 13:27:13,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:13" (2/3) ... [2022-12-14 13:27:13,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348bb97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:27:13, skipping insertion in model container [2022-12-14 13:27:13,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:27:13" (3/3) ... [2022-12-14 13:27:13,912 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v3.c [2022-12-14 13:27:13,926 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:27:13,926 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 13:27:13,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:27:13,965 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;@6432791c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:27:13,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 13:27:13,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:27:13,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 13:27:13,973 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:27:13,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 13:27:13,974 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:27:13,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:27:13,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-12-14 13:27:13,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:27:13,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625871860] [2022-12-14 13:27:13,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:27:13,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:27:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 13:27:14,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 13:27:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 13:27:14,157 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 13:27:14,158 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 13:27:14,159 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 13:27:14,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:27:14,164 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 13:27:14,167 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 13:27:14,178 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 13:27:14,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 01:27:14 BoogieIcfgContainer [2022-12-14 13:27:14,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 13:27:14,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 13:27:14,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 13:27:14,184 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 13:27:14,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:27:13" (3/4) ... [2022-12-14 13:27:14,187 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 13:27:14,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 13:27:14,188 INFO L158 Benchmark]: Toolchain (without parser) took 1154.56ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 100.8MB in the beginning and 117.8MB in the end (delta: -17.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-12-14 13:27:14,188 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory was 115.5MB in the beginning and 115.3MB in the end (delta: 128.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 13:27:14,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.26ms. Allocated memory is still 144.7MB. Free memory was 100.3MB in the beginning and 86.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 13:27:14,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.22ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 83.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 13:27:14,190 INFO L158 Benchmark]: Boogie Preprocessor took 30.71ms. Allocated memory is still 144.7MB. Free memory was 83.5MB in the beginning and 81.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 13:27:14,190 INFO L158 Benchmark]: RCFGBuilder took 518.54ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 81.5MB in the beginning and 139.8MB in the end (delta: -58.4MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2022-12-14 13:27:14,190 INFO L158 Benchmark]: TraceAbstraction took 276.32ms. Allocated memory is still 178.3MB. Free memory was 138.8MB in the beginning and 118.9MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 13:27:14,191 INFO L158 Benchmark]: Witness Printer took 3.37ms. Allocated memory is still 178.3MB. Free memory was 118.9MB in the beginning and 117.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 13:27:14,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory was 115.5MB in the beginning and 115.3MB in the end (delta: 128.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.26ms. Allocated memory is still 144.7MB. Free memory was 100.3MB in the beginning and 86.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.22ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 83.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.71ms. Allocated memory is still 144.7MB. Free memory was 83.5MB in the beginning and 81.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 518.54ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 81.5MB in the beginning and 139.8MB in the end (delta: -58.4MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * TraceAbstraction took 276.32ms. Allocated memory is still 178.3MB. Free memory was 138.8MB in the beginning and 118.9MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.37ms. Allocated memory is still 178.3MB. Free memory was 118.9MB in the beginning and 117.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 13:27:14,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/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_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-14 13:27:15,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:27:15,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:27:15,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:27:15,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:27:15,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:27:15,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:27:15,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:27:15,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:27:15,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:27:15,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:27:15,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:27:15,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:27:15,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:27:15,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:27:15,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:27:15,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:27:15,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:27:15,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:27:15,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:27:15,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:27:15,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:27:15,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:27:15,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:27:15,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:27:15,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:27:15,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:27:15,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:27:15,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:27:15,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:27:15,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:27:15,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:27:15,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:27:15,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:27:15,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:27:15,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:27:15,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:27:15,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:27:15,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:27:15,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:27:15,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:27:15,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 13:27:15,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:27:15,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:27:15,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:27:15,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:27:15,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:27:15,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:27:15,908 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:27:15,908 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:27:15,908 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:27:15,909 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:27:15,909 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:27:15,909 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:27:15,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:27:15,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:27:15,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:27:15,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:27:15,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:27:15,910 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 13:27:15,911 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 13:27:15,911 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 13:27:15,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:27:15,911 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:27:15,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:27:15,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:27:15,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 13:27:15,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:27:15,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:27:15,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:27:15,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:27:15,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:27:15,913 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 13:27:15,918 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 13:27:15,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:27:15,919 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:27:15,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 13:27:15,919 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_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d5a40d30bdb637dd2c987738fb0d731ff79366f937c446bccf8e9f932481a19 [2022-12-14 13:27:16,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:27:16,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:27:16,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:27:16,159 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:27:16,159 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:27:16,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2022-12-14 13:27:18,827 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:27:19,012 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:27:19,013 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2022-12-14 13:27:19,022 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/data/436a71c7e/a3567151c926417ab433c89e3ab0a202/FLAG2ece6c956 [2022-12-14 13:27:19,036 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/data/436a71c7e/a3567151c926417ab433c89e3ab0a202 [2022-12-14 13:27:19,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:27:19,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:27:19,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:27:19,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:27:19,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:27:19,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:27:19" (1/1) ... [2022-12-14 13:27:19,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20665f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:19, skipping insertion in model container [2022-12-14 13:27:19,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:27:19" (1/1) ... [2022-12-14 13:27:19,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:27:19,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:27:19,193 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_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1107,1120] [2022-12-14 13:27:19,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:27:19,260 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:27:19,270 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_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1107,1120] [2022-12-14 13:27:19,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:27:19,317 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:27:19,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:19 WrapperNode [2022-12-14 13:27:19,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:27:19,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:27:19,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:27:19,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:27:19,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:19" (1/1) ... [2022-12-14 13:27:19,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:19" (1/1) ... [2022-12-14 13:27:19,368 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 227 [2022-12-14 13:27:19,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:27:19,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:27:19,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:27:19,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:27:19,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:19" (1/1) ... [2022-12-14 13:27:19,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:19" (1/1) ... [2022-12-14 13:27:19,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:19" (1/1) ... [2022-12-14 13:27:19,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:19" (1/1) ... [2022-12-14 13:27:19,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:19" (1/1) ... [2022-12-14 13:27:19,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:19" (1/1) ... [2022-12-14 13:27:19,398 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:19" (1/1) ... [2022-12-14 13:27:19,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:19" (1/1) ... [2022-12-14 13:27:19,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:27:19,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:27:19,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:27:19,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:27:19,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:19" (1/1) ... [2022-12-14 13:27:19,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:27:19,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:27:19,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:27:19,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:27:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:27:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:27:19,560 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:27:19,562 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:27:19,749 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:27:19,759 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:27:19,759 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 13:27:19,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:27:19 BoogieIcfgContainer [2022-12-14 13:27:19,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:27:19,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:27:19,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:27:19,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:27:19,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:27:19" (1/3) ... [2022-12-14 13:27:19,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1211e9f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:27:19, skipping insertion in model container [2022-12-14 13:27:19,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:27:19" (2/3) ... [2022-12-14 13:27:19,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1211e9f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:27:19, skipping insertion in model container [2022-12-14 13:27:19,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:27:19" (3/3) ... [2022-12-14 13:27:19,766 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v3.c [2022-12-14 13:27:19,779 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:27:19,780 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 13:27:19,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:27:19,818 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;@6f0ee513, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:27:19,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 13:27:19,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:27:19,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 13:27:19,826 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:27:19,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 13:27:19,826 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:27:19,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:27:19,830 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-14 13:27:19,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 13:27:19,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684911646] [2022-12-14 13:27:19,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:27:19,840 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 13:27:19,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 13:27:19,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 13:27:19,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 13:27:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:27:19,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 13:27:19,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:27:20,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:27:20,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:27:20,045 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 13:27:20,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684911646] [2022-12-14 13:27:20,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684911646] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:27:20,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:27:20,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 13:27:20,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119575390] [2022-12-14 13:27:20,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:27:20,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:27:20,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 13:27:20,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:27:20,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:27:20,074 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:27:20,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:27:20,125 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-14 13:27:20,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 13:27:20,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 13:27:20,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:27:20,133 INFO L225 Difference]: With dead ends: 20 [2022-12-14 13:27:20,133 INFO L226 Difference]: Without dead ends: 11 [2022-12-14 13:27:20,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:27:20,137 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 [2022-12-14 13:27:20,138 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] [2022-12-14 13:27:20,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-14 13:27:20,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-14 13:27:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:27:20,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-14 13:27:20,160 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-14 13:27:20,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:27:20,160 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-14 13:27:20,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:27:20,160 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-14 13:27:20,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 13:27:20,161 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:27:20,161 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-14 13:27:20,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 13:27:20,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 13:27:20,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:27:20,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:27:20,362 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-14 13:27:20,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 13:27:20,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827654624] [2022-12-14 13:27:20,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:27:20,364 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 13:27:20,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 13:27:20,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 13:27:20,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 13:27:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:27:20,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-14 13:27:20,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:27:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:27:20,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:27:21,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:27:21,709 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 13:27:21,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827654624] [2022-12-14 13:27:21,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827654624] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:27:21,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1127190563] [2022-12-14 13:27:21,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:27:21,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 13:27:21,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 13:27:21,727 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 13:27:21,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-12-14 13:27:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:27:21,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 66 conjunts are in the unsatisfiable core [2022-12-14 13:27:21,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:27:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:27:22,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:27:22,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:27:22,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1127190563] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:27:22,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641896902] [2022-12-14 13:27:22,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:27:22,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:27:22,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:27:22,439 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:27:22,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 13:27:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:27:22,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 13:27:22,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:27:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:27:22,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:27:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:27:23,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641896902] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:27:23,257 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 13:27:23,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 16 [2022-12-14 13:27:23,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141545025] [2022-12-14 13:27:23,258 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 13:27:23,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 13:27:23,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 13:27:23,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 13:27:23,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2022-12-14 13:27:23,260 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) [2022-12-14 13:27:23,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:27:23,384 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-12-14 13:27:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 13:27:23,384 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 [2022-12-14 13:27:23,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:27:23,385 INFO L225 Difference]: With dead ends: 16 [2022-12-14 13:27:23,385 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 13:27:23,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2022-12-14 13:27:23,386 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:27:23,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 25 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:27:23,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 13:27:23,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-12-14 13:27:23,391 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) [2022-12-14 13:27:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-14 13:27:23,391 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-12-14 13:27:23,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:27:23,391 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-12-14 13:27:23,391 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) [2022-12-14 13:27:23,392 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-14 13:27:23,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 13:27:23,392 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:27:23,392 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-14 13:27:23,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2022-12-14 13:27:23,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 13:27:23,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 13:27:23,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:27:23,996 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:27:23,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:27:23,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-12-14 13:27:24,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 13:27:24,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148562631] [2022-12-14 13:27:24,000 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 13:27:24,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 13:27:24,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 13:27:24,004 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 13:27:24,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-14 13:27:24,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 13:27:24,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 13:27:24,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 74 conjunts are in the unsatisfiable core [2022-12-14 13:27:24,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:27:24,362 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:27:24,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:27:26,104 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:27:26,104 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 13:27:26,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148562631] [2022-12-14 13:27:26,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148562631] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:27:26,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1514258743] [2022-12-14 13:27:26,104 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 13:27:26,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 13:27:26,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 13:27:26,105 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 13:27:26,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-12-14 13:27:26,308 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 13:27:26,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 13:27:26,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 107 conjunts are in the unsatisfiable core [2022-12-14 13:27:26,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:27:26,770 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:27:26,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:27:28,818 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:27:28,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1514258743] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:27:28,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822557616] [2022-12-14 13:27:28,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 13:27:28,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:27:28,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:27:28,820 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:27:28,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 13:27:28,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 13:27:28,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 13:27:28,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 83 conjunts are in the unsatisfiable core [2022-12-14 13:27:28,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:27:29,154 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:27:29,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:27:30,357 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:27:30,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822557616] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:27:30,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 13:27:30,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8, 8, 8, 7] total 21 [2022-12-14 13:27:30,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140641090] [2022-12-14 13:27:30,358 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 13:27:30,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-14 13:27:30,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 13:27:30,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-14 13:27:30,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2022-12-14 13:27:30,359 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) [2022-12-14 13:27:30,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:27:30,605 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-12-14 13:27:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 13:27:30,605 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 [2022-12-14 13:27:30,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:27:30,606 INFO L225 Difference]: With dead ends: 19 [2022-12-14 13:27:30,606 INFO L226 Difference]: Without dead ends: 17 [2022-12-14 13:27:30,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 36 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2022-12-14 13:27:30,608 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 19 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:27:30,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 33 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:27:30,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-14 13:27:30,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-12-14 13:27:30,612 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) [2022-12-14 13:27:30,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-12-14 13:27:30,612 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-12-14 13:27:30,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:27:30,612 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-12-14 13:27:30,612 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) [2022-12-14 13:27:30,612 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-12-14 13:27:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 13:27:30,613 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:27:30,613 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-12-14 13:27:30,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 13:27:30,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-12-14 13:27:31,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-14 13:27:31,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 13:27:31,215 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:27:31,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:27:31,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-12-14 13:27:31,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 13:27:31,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238448093] [2022-12-14 13:27:31,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 13:27:31,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 13:27:31,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 13:27:31,221 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 13:27:31,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-14 13:27:31,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-14 13:27:31,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-12-14 13:27:31,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 13:27:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 13:27:31,496 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 13:27:31,496 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 13:27:31,496 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 13:27:31,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-14 13:27:31,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 13:27:31,708 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2022-12-14 13:27:31,717 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 13:27:31,766 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 13:27:31,766 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 13:27:31,766 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 13:27:31,766 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 13:27:31,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 01:27:31 BoogieIcfgContainer [2022-12-14 13:27:31,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 13:27:31,781 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 13:27:31,781 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 13:27:31,781 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 13:27:31,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:27:19" (3/4) ... [2022-12-14 13:27:31,782 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 13:27:31,800 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 13:27:31,800 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 13:27:31,800 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 13:27:31,800 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 13:27:31,852 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 13:27:31,852 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 13:27:31,852 INFO L158 Benchmark]: Toolchain (without parser) took 12813.24ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 53.5MB in the beginning and 68.1MB in the end (delta: -14.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-12-14 13:27:31,853 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:27:31,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.25ms. Allocated memory is still 75.5MB. Free memory was 53.3MB in the beginning and 39.0MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 13:27:31,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.38ms. Allocated memory is still 75.5MB. Free memory was 38.9MB in the beginning and 55.7MB in the end (delta: -16.9MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-12-14 13:27:31,853 INFO L158 Benchmark]: Boogie Preprocessor took 33.13ms. Allocated memory is still 75.5MB. Free memory was 55.4MB in the beginning and 53.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 13:27:31,853 INFO L158 Benchmark]: RCFGBuilder took 357.04ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 53.4MB in the end (delta: 188.2kB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2022-12-14 13:27:31,853 INFO L158 Benchmark]: TraceAbstraction took 12018.56ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 52.7MB in the beginning and 79.6MB in the end (delta: -26.9MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2022-12-14 13:27:31,854 INFO L158 Benchmark]: Witness Printer took 71.49ms. Allocated memory is still 111.1MB. Free memory was 79.6MB in the beginning and 68.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 13:27:31,855 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.25ms. Allocated memory is still 75.5MB. Free memory was 53.3MB in the beginning and 39.0MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.38ms. Allocated memory is still 75.5MB. Free memory was 38.9MB in the beginning and 55.7MB in the end (delta: -16.9MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.13ms. Allocated memory is still 75.5MB. Free memory was 55.4MB in the beginning and 53.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.04ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 53.4MB in the end (delta: 188.2kB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12018.56ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 52.7MB in the beginning and 79.6MB in the end (delta: -26.9MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * Witness Printer took 71.49ms. Allocated memory is still 111.1MB. Free memory was 79.6MB in the beginning and 68.1MB in the end (delta: 11.5MB). 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: 11.9s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 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, 4.2s 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: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 8.6s 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! [2022-12-14 13:27:31,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc38a6ca-1b58-4563-8a27-0b36bd3fd843/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE