./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e4f52ed6ec31f3f509aad5ffadcb124384802bf78fade278b01364c8156e3d63 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:49:16,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:49:16,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:49:16,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:49:16,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:49:16,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:49:16,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:49:16,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:49:16,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:49:16,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:49:16,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:49:16,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:49:16,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:49:16,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:49:16,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:49:16,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:49:16,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:49:16,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:49:16,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:49:16,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:49:16,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:49:16,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:49:16,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:49:16,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:49:16,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:49:16,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:49:16,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:49:16,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:49:16,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:49:16,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:49:16,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:49:16,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:49:16,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:49:16,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:49:16,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:49:16,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:49:16,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:49:16,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:49:16,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:49:16,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:49:16,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:49:16,238 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:49:16,285 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:49:16,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:49:16,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:49:16,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:49:16,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:49:16,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:49:16,288 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:49:16,288 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:49:16,288 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:49:16,288 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:49:16,290 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:49:16,290 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:49:16,290 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:49:16,290 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:49:16,291 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:49:16,291 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:49:16,291 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:49:16,292 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:49:16,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:49:16,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:49:16,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:49:16,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:49:16,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:49:16,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:49:16,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:49:16,295 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:49:16,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:49:16,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:49:16,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:49:16,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:49:16,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:49:16,297 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:49:16,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:49:16,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:49:16,298 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:49:16,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:49:16,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:49:16,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:49:16,299 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_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4f52ed6ec31f3f509aad5ffadcb124384802bf78fade278b01364c8156e3d63 [2022-11-22 02:49:16,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:49:16,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:49:16,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:49:16,629 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:49:16,630 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:49:16,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-11-22 02:49:19,665 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:49:19,900 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:49:19,901 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-11-22 02:49:19,910 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/data/401900cc8/bf28cab745854f9db2fba9c6a298ae1b/FLAG5acd5cc6e [2022-11-22 02:49:19,926 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/data/401900cc8/bf28cab745854f9db2fba9c6a298ae1b [2022-11-22 02:49:19,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:49:19,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:49:19,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:49:19,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:49:19,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:49:19,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:49:19" (1/1) ... [2022-11-22 02:49:19,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2deab66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:19, skipping insertion in model container [2022-11-22 02:49:19,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:49:19" (1/1) ... [2022-11-22 02:49:19,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:49:20,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:49:20,130 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_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c[1107,1120] [2022-11-22 02:49:20,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:49:20,215 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:49:20,224 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_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c[1107,1120] [2022-11-22 02:49:20,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:49:20,333 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:49:20,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:20 WrapperNode [2022-11-22 02:49:20,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:49:20,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:49:20,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:49:20,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:49:20,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:20" (1/1) ... [2022-11-22 02:49:20,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:20" (1/1) ... [2022-11-22 02:49:20,401 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 300 [2022-11-22 02:49:20,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:49:20,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:49:20,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:49:20,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:49:20,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:20" (1/1) ... [2022-11-22 02:49:20,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:20" (1/1) ... [2022-11-22 02:49:20,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:20" (1/1) ... [2022-11-22 02:49:20,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:20" (1/1) ... [2022-11-22 02:49:20,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:20" (1/1) ... [2022-11-22 02:49:20,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:20" (1/1) ... [2022-11-22 02:49:20,440 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:20" (1/1) ... [2022-11-22 02:49:20,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:20" (1/1) ... [2022-11-22 02:49:20,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:49:20,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:49:20,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:49:20,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:49:20,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:20" (1/1) ... [2022-11-22 02:49:20,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:49:20,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:49:20,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:49:20,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:49:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:49:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:49:20,730 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:49:20,732 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:49:21,742 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:49:21,760 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:49:21,760 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:49:21,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:49:21 BoogieIcfgContainer [2022-11-22 02:49:21,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:49:21,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:49:21,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:49:21,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:49:21,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:49:19" (1/3) ... [2022-11-22 02:49:21,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0ddd9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:49:21, skipping insertion in model container [2022-11-22 02:49:21,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:20" (2/3) ... [2022-11-22 02:49:21,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0ddd9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:49:21, skipping insertion in model container [2022-11-22 02:49:21,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:49:21" (3/3) ... [2022-11-22 02:49:21,772 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-11-22 02:49:21,791 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:49:21,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:49:21,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:49:21,846 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;@1d3b47ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:49:21,847 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:49:21,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:49:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 02:49:21,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:21,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 02:49:21,862 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:49:21,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:21,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-22 02:49:21,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:21,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658346608] [2022-11-22 02:49:21,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:21,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:49:22,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 02:49:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:49:22,344 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 02:49:22,347 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 02:49:22,348 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 02:49:22,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:49:22,356 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 02:49:22,360 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:49:22,398 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:49:22,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:49:22 BoogieIcfgContainer [2022-11-22 02:49:22,410 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:49:22,412 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:49:22,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:49:22,412 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:49:22,414 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:49:21" (3/4) ... [2022-11-22 02:49:22,420 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 02:49:22,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:49:22,422 INFO L158 Benchmark]: Toolchain (without parser) took 2486.89ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 111.1MB in the beginning and 110.8MB in the end (delta: 359.4kB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2022-11-22 02:49:22,423 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 155.2MB. Free memory was 99.9MB in the beginning and 99.7MB in the end (delta: 127.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:49:22,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.91ms. Allocated memory is still 155.2MB. Free memory was 111.1MB in the beginning and 94.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 02:49:22,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.88ms. Allocated memory is still 155.2MB. Free memory was 94.8MB in the beginning and 91.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 02:49:22,431 INFO L158 Benchmark]: Boogie Preprocessor took 44.02ms. Allocated memory is still 155.2MB. Free memory was 91.3MB in the beginning and 89.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:49:22,432 INFO L158 Benchmark]: RCFGBuilder took 1316.07ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 89.2MB in the beginning and 140.1MB in the end (delta: -51.0MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2022-11-22 02:49:22,433 INFO L158 Benchmark]: TraceAbstraction took 644.85ms. Allocated memory is still 201.3MB. Free memory was 139.1MB in the beginning and 111.8MB in the end (delta: 27.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-22 02:49:22,434 INFO L158 Benchmark]: Witness Printer took 9.34ms. Allocated memory is still 201.3MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:49:22,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 155.2MB. Free memory was 99.9MB in the beginning and 99.7MB in the end (delta: 127.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.91ms. Allocated memory is still 155.2MB. Free memory was 111.1MB in the beginning and 94.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.88ms. Allocated memory is still 155.2MB. Free memory was 94.8MB in the beginning and 91.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.02ms. Allocated memory is still 155.2MB. Free memory was 91.3MB in the beginning and 89.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1316.07ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 89.2MB in the beginning and 140.1MB in the end (delta: -51.0MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * TraceAbstraction took 644.85ms. Allocated memory is still 201.3MB. Free memory was 139.1MB in the beginning and 111.8MB in the end (delta: 27.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 9.34ms. Allocated memory is still 201.3MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 127, overapproximation of bitwiseOr at line 119, overapproximation of bitwiseAnd at line 96. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L31] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 4); [L32] const SORT_7 msb_SORT_7 = (SORT_7)1 << (4 - 1); [L34] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 3); [L35] const SORT_16 msb_SORT_16 = (SORT_16)1 << (3 - 1); [L37] const SORT_1 var_12 = 0; [L38] const SORT_16 var_17 = 0; [L39] const SORT_16 var_20 = 6; [L40] const SORT_16 var_25 = 7; [L41] const SORT_1 var_30 = 1; [L42] const SORT_5 var_34 = 0; [L43] const SORT_7 var_39 = 0; [L44] const SORT_7 var_42 = 8; [L45] const SORT_7 var_44 = 9; [L46] const SORT_7 var_47 = 15; [L47] const SORT_7 var_55 = 12; [L48] const SORT_7 var_58 = 4; [L49] const SORT_7 var_64 = 10; [L50] const SORT_7 var_66 = 11; [L51] const SORT_7 var_69 = 13; [L52] const SORT_7 var_84 = 1; [L53] const SORT_7 var_89 = 5; [L54] const SORT_16 var_114 = 1; [L55] const SORT_16 var_116 = 5; [L56] const SORT_5 var_125 = 1; [L58] SORT_1 input_2; [L59] SORT_1 input_3; [L60] SORT_1 input_4; [L61] SORT_5 input_6; [L62] SORT_7 input_8; [L63] SORT_1 input_9; [L64] SORT_1 input_10; [L65] SORT_1 input_11; [L66] SORT_5 input_93; [L67] SORT_5 input_95; [L68] SORT_5 input_97; [L69] SORT_5 input_99; [L70] SORT_5 input_101; [L71] SORT_5 input_103; [L72] SORT_5 input_105; [L73] SORT_5 input_107; [L74] SORT_5 input_109; [L76] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_16 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L78] SORT_16 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L79] SORT_5 state_35 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L81] SORT_1 init_14_arg_1 = var_12; [L82] state_13 = init_14_arg_1 [L83] SORT_16 init_19_arg_1 = var_17; [L84] state_18 = init_19_arg_1 [L85] SORT_16 init_24_arg_1 = var_17; [L86] state_23 = init_24_arg_1 [L87] SORT_5 init_36_arg_1 = var_34; [L88] state_35 = init_36_arg_1 VAL [init_14_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_36_arg_1=0, mask_SORT_1=1, mask_SORT_16=7, mask_SORT_5=4095, mask_SORT_7=15, msb_SORT_1=1, msb_SORT_16=4, msb_SORT_5=2048, msb_SORT_7=8, state_13=0, state_18=0, state_23=0, state_35=0, var_114=1, var_116=5, var_12=0, var_125=1, var_17=0, var_20=6, var_25=7, var_30=1, var_34=0, var_39=0, var_42=8, var_44=9, var_47=15, var_55=12, var_58=4, var_64=10, var_66=11, var_69=13, var_84=1, var_89=5] [L91] input_2 = __VERIFIER_nondet_uchar() [L92] input_3 = __VERIFIER_nondet_uchar() [L93] input_4 = __VERIFIER_nondet_uchar() [L94] input_6 = __VERIFIER_nondet_ushort() [L95] input_8 = __VERIFIER_nondet_uchar() [L96] input_8 = input_8 & mask_SORT_7 [L97] input_9 = __VERIFIER_nondet_uchar() [L98] input_10 = __VERIFIER_nondet_uchar() [L99] input_11 = __VERIFIER_nondet_uchar() [L100] input_93 = __VERIFIER_nondet_ushort() [L101] input_95 = __VERIFIER_nondet_ushort() [L102] input_97 = __VERIFIER_nondet_ushort() [L103] input_99 = __VERIFIER_nondet_ushort() [L104] input_101 = __VERIFIER_nondet_ushort() [L105] input_103 = __VERIFIER_nondet_ushort() [L106] input_105 = __VERIFIER_nondet_ushort() [L107] input_107 = __VERIFIER_nondet_ushort() [L108] input_109 = __VERIFIER_nondet_ushort() [L111] SORT_1 var_15_arg_0 = state_13; [L112] SORT_1 var_15_arg_1 = var_12; [L113] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L114] SORT_16 var_21_arg_0 = state_18; [L115] SORT_16 var_21_arg_1 = var_20; [L116] SORT_1 var_21 = var_21_arg_0 != var_21_arg_1; [L117] SORT_1 var_22_arg_0 = var_15; [L118] SORT_1 var_22_arg_1 = var_21; [L119] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L120] SORT_16 var_26_arg_0 = state_23; [L121] SORT_16 var_26_arg_1 = var_25; [L122] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L123] SORT_1 var_27_arg_0 = var_22; [L124] SORT_1 var_27_arg_1 = var_26; [L125] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L126] SORT_1 var_31_arg_0 = var_27; [L127] SORT_1 var_31 = ~var_31_arg_0; [L128] SORT_1 var_32_arg_0 = var_30; [L129] SORT_1 var_32_arg_1 = var_31; [L130] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L131] var_32 = var_32 & mask_SORT_1 [L132] SORT_1 bad_33_arg_0 = var_32; [L133] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-22 02:49:22,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e4f52ed6ec31f3f509aad5ffadcb124384802bf78fade278b01364c8156e3d63 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:49:24,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:49:24,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:49:24,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:49:24,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:49:24,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:49:24,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:49:25,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:49:25,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:49:25,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:49:25,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:49:25,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:49:25,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:49:25,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:49:25,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:49:25,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:49:25,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:49:25,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:49:25,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:49:25,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:49:25,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:49:25,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:49:25,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:49:25,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:49:25,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:49:25,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:49:25,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:49:25,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:49:25,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:49:25,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:49:25,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:49:25,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:49:25,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:49:25,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:49:25,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:49:25,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:49:25,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:49:25,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:49:25,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:49:25,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:49:25,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:49:25,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-22 02:49:25,108 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:49:25,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:49:25,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:49:25,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:49:25,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:49:25,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:49:25,111 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:49:25,111 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:49:25,112 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:49:25,112 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:49:25,113 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:49:25,113 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:49:25,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:49:25,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:49:25,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:49:25,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:49:25,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:49:25,115 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:49:25,115 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:49:25,116 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:49:25,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:49:25,116 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:49:25,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:49:25,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:49:25,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:49:25,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:49:25,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:49:25,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:49:25,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:49:25,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:49:25,118 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:49:25,118 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:49:25,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:49:25,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:49:25,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:49:25,119 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_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4f52ed6ec31f3f509aad5ffadcb124384802bf78fade278b01364c8156e3d63 [2022-11-22 02:49:25,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:49:25,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:49:25,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:49:25,546 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:49:25,547 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:49:25,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-11-22 02:49:28,617 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:49:28,917 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:49:28,918 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-11-22 02:49:28,933 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/data/47574509f/1998c3fc7c6748678e74ee4d16c54279/FLAG979b9306e [2022-11-22 02:49:28,946 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/data/47574509f/1998c3fc7c6748678e74ee4d16c54279 [2022-11-22 02:49:28,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:49:28,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:49:28,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:49:28,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:49:28,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:49:28,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:49:28" (1/1) ... [2022-11-22 02:49:28,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611fd667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:28, skipping insertion in model container [2022-11-22 02:49:28,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:49:28" (1/1) ... [2022-11-22 02:49:28,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:49:28,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:49:29,115 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_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c[1107,1120] [2022-11-22 02:49:29,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:49:29,206 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:49:29,217 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_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c[1107,1120] [2022-11-22 02:49:29,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:49:29,349 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:49:29,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:29 WrapperNode [2022-11-22 02:49:29,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:49:29,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:49:29,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:49:29,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:49:29,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:29" (1/1) ... [2022-11-22 02:49:29,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:29" (1/1) ... [2022-11-22 02:49:29,438 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 300 [2022-11-22 02:49:29,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:49:29,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:49:29,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:49:29,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:49:29,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:29" (1/1) ... [2022-11-22 02:49:29,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:29" (1/1) ... [2022-11-22 02:49:29,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:29" (1/1) ... [2022-11-22 02:49:29,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:29" (1/1) ... [2022-11-22 02:49:29,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:29" (1/1) ... [2022-11-22 02:49:29,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:29" (1/1) ... [2022-11-22 02:49:29,491 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:29" (1/1) ... [2022-11-22 02:49:29,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:29" (1/1) ... [2022-11-22 02:49:29,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:49:29,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:49:29,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:49:29,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:49:29,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:29" (1/1) ... [2022-11-22 02:49:29,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:49:29,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:49:29,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:49:29,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:49:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:49:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:49:29,726 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:49:29,728 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:49:30,198 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:49:30,204 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:49:30,205 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:49:30,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:49:30 BoogieIcfgContainer [2022-11-22 02:49:30,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:49:30,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:49:30,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:49:30,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:49:30,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:49:28" (1/3) ... [2022-11-22 02:49:30,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9cf93b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:49:30, skipping insertion in model container [2022-11-22 02:49:30,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:29" (2/3) ... [2022-11-22 02:49:30,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9cf93b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:49:30, skipping insertion in model container [2022-11-22 02:49:30,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:49:30" (3/3) ... [2022-11-22 02:49:30,216 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-11-22 02:49:30,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:49:30,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:49:30,279 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:49:30,286 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;@7bc9b7a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:49:30,286 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:49:30,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:49:30,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 02:49:30,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:30,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 02:49:30,297 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:49:30,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:30,302 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-22 02:49:30,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:49:30,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196631151] [2022-11-22 02:49:30,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:30,316 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:49:30,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:49:30,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:49:30,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-22 02:49:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:30,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-22 02:49:30,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:49:30,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:30,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:49:30,744 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:49:30,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196631151] [2022-11-22 02:49:30,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1196631151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:49:30,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:49:30,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:49:30,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783574454] [2022-11-22 02:49:30,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:49:30,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:49:30,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:49:30,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:49:30,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:49:30,800 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:49:30,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:30,876 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-22 02:49:30,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:49:30,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-22 02:49:30,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:30,887 INFO L225 Difference]: With dead ends: 20 [2022-11-22 02:49:30,888 INFO L226 Difference]: Without dead ends: 11 [2022-11-22 02:49:30,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:49:30,896 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:30,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:49:30,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-22 02:49:30,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-22 02:49:30,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:49:30,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-22 02:49:30,932 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-22 02:49:30,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:30,933 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-22 02:49:30,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:49:30,933 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-22 02:49:30,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 02:49:30,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:30,934 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-22 02:49:30,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-22 02:49:31,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:49:31,146 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:49:31,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:31,147 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-22 02:49:31,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:49:31,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810742965] [2022-11-22 02:49:31,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:31,148 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:49:31,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:49:31,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:49:31,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-22 02:49:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:31,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-22 02:49:31,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:49:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:31,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:49:31,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:31,875 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:49:31,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810742965] [2022-11-22 02:49:31,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [810742965] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:49:31,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [126748603] [2022-11-22 02:49:31,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:31,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 02:49:31,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 02:49:31,887 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 02:49:31,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-22 02:49:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:32,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-22 02:49:32,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:49:32,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:32,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:49:32,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:32,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [126748603] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:49:32,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823591339] [2022-11-22 02:49:32,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:32,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:49:32,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:49:32,471 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:49:32,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 02:49:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:32,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-22 02:49:32,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:49:32,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:32,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:49:33,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:33,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823591339] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:49:33,009 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-22 02:49:33,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 6, 6] total 11 [2022-11-22 02:49:33,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221158654] [2022-11-22 02:49:33,010 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-22 02:49:33,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 02:49:33,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:49:33,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 02:49:33,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-22 02:49:33,013 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:49:33,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:33,171 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-22 02:49:33,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:49:33,172 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-22 02:49:33,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:33,173 INFO L225 Difference]: With dead ends: 16 [2022-11-22 02:49:33,173 INFO L226 Difference]: Without dead ends: 14 [2022-11-22 02:49:33,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:49:33,174 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:33,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 26 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:49:33,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-22 02:49:33,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-22 02:49:33,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:49:33,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-22 02:49:33,181 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-22 02:49:33,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:33,182 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-22 02:49:33,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:49:33,183 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-22 02:49:33,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 02:49:33,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:33,184 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-22 02:49:33,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-22 02:49:33,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-22 02:49:33,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2022-11-22 02:49:33,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt [2022-11-22 02:49:33,797 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:49:33,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:33,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-22 02:49:33,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:49:33,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1292771317] [2022-11-22 02:49:33,800 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-22 02:49:33,801 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:49:33,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:49:33,802 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:49:33,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-22 02:49:34,065 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-22 02:49:34,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:49:34,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-22 02:49:34,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:49:34,392 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:34,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:49:35,765 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:35,765 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:49:35,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1292771317] [2022-11-22 02:49:35,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1292771317] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:49:35,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1017516314] [2022-11-22 02:49:35,766 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-22 02:49:35,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 02:49:35,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 02:49:35,767 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 02:49:35,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-22 02:49:36,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-22 02:49:36,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:49:36,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-22 02:49:36,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:49:36,568 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:36,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:49:37,143 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:37,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1017516314] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:49:37,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120451816] [2022-11-22 02:49:37,144 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-22 02:49:37,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:49:37,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:49:37,147 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:49:37,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 02:49:37,375 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-22 02:49:37,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:49:37,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-22 02:49:37,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:49:37,673 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:37,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:49:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:38,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120451816] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:49:38,686 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-22 02:49:38,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 17 [2022-11-22 02:49:38,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349430047] [2022-11-22 02:49:38,686 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-22 02:49:38,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-22 02:49:38,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:49:38,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-22 02:49:38,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2022-11-22 02:49:38,688 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 17 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:49:39,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:39,296 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-11-22 02:49:39,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:49:39,300 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 17 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-22 02:49:39,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:39,301 INFO L225 Difference]: With dead ends: 22 [2022-11-22 02:49:39,301 INFO L226 Difference]: Without dead ends: 20 [2022-11-22 02:49:39,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2022-11-22 02:49:39,303 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:39,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 33 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 02:49:39,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-22 02:49:39,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-11-22 02:49:39,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:49:39,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-11-22 02:49:39,309 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 11 [2022-11-22 02:49:39,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:39,310 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-11-22 02:49:39,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 17 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:49:39,310 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-11-22 02:49:39,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 02:49:39,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:39,311 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2022-11-22 02:49:39,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-22 02:49:39,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 02:49:39,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2022-11-22 02:49:39,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt [2022-11-22 02:49:39,917 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:49:39,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:39,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1250702327, now seen corresponding path program 3 times [2022-11-22 02:49:39,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:49:39,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566116445] [2022-11-22 02:49:39,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 02:49:39,920 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:49:39,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:49:39,921 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:49:39,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-22 02:49:40,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-22 02:49:40,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:49:40,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 114 conjunts are in the unsatisfiable core [2022-11-22 02:49:40,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:49:41,905 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:41,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:52:53,546 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-22 02:52:53,548 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:52:53,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566116445] [2022-11-22 02:52:53,549 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2022-11-22 02:52:53,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1203174055] [2022-11-22 02:52:53,549 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 02:52:53,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 02:52:53,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 02:52:53,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-11-22 02:52:53,552 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 02:52:53,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2022-11-22 02:52:54,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-22 02:52:54,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:52:54,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 130 conjunts are in the unsatisfiable core [2022-11-22 02:52:54,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:52:54,635 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2022-11-22 02:52:54,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351119627] [2022-11-22 02:52:54,636 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 02:52:54,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:52:54,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:52:54,640 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:52:54,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-22 02:52:55,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-22 02:52:55,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:52:55,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 125 conjunts are in the unsatisfiable core [2022-11-22 02:52:55,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:52:55,167 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2022-11-22 02:52:55,168 INFO L184 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:52:55,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2022-11-22 02:52:55,168 ERROR L170 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2022-11-22 02:52:55,169 INFO L359 BasicCegarLoop]: Counterexample might be feasible [2022-11-22 02:52:55,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 02:52:55,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-22 02:52:55,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2022-11-22 02:52:55,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-22 02:52:55,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bc9e33-fa28-4706-9d6c-8ae18151ceb0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:52:55,784 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-22 02:52:55,787 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:52:55,842 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:52:55,843 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:52:55,843 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:52:55,843 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:52:55,844 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:52:55,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:52:55 BoogieIcfgContainer [2022-11-22 02:52:55,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:52:55,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:52:55,893 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:52:55,894 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:52:55,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:49:30" (3/4) ... [2022-11-22 02:52:55,898 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 02:52:55,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:52:55,899 INFO L158 Benchmark]: Toolchain (without parser) took 206949.21ms. Allocated memory was 69.2MB in the beginning and 281.0MB in the end (delta: 211.8MB). Free memory was 47.9MB in the beginning and 136.5MB in the end (delta: -88.6MB). Peak memory consumption was 126.3MB. Max. memory is 16.1GB. [2022-11-22 02:52:55,900 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:52:55,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.35ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 47.7MB in the beginning and 68.6MB in the end (delta: -20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 02:52:55,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.51ms. Allocated memory is still 90.2MB. Free memory was 68.6MB in the beginning and 65.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:52:55,904 INFO L158 Benchmark]: Boogie Preprocessor took 45.07ms. Allocated memory is still 90.2MB. Free memory was 65.5MB in the beginning and 63.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:52:55,907 INFO L158 Benchmark]: RCFGBuilder took 709.59ms. Allocated memory is still 90.2MB. Free memory was 63.4MB in the beginning and 62.6MB in the end (delta: 793.9kB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-11-22 02:52:55,908 INFO L158 Benchmark]: TraceAbstraction took 205683.43ms. Allocated memory was 90.2MB in the beginning and 281.0MB in the end (delta: 190.8MB). Free memory was 62.2MB in the beginning and 137.6MB in the end (delta: -75.4MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. [2022-11-22 02:52:55,908 INFO L158 Benchmark]: Witness Printer took 5.55ms. Allocated memory is still 281.0MB. Free memory was 137.6MB in the beginning and 136.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:52:55,912 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.35ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 47.7MB in the beginning and 68.6MB in the end (delta: -20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.51ms. Allocated memory is still 90.2MB. Free memory was 68.6MB in the beginning and 65.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.07ms. Allocated memory is still 90.2MB. Free memory was 65.5MB in the beginning and 63.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 709.59ms. Allocated memory is still 90.2MB. Free memory was 63.4MB in the beginning and 62.6MB in the end (delta: 793.9kB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * TraceAbstraction took 205683.43ms. Allocated memory was 90.2MB in the beginning and 281.0MB in the end (delta: 190.8MB). Free memory was 62.2MB in the beginning and 137.6MB in the end (delta: -75.4MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. * Witness Printer took 5.55ms. Allocated memory is still 281.0MB. Free memory was 137.6MB in the beginning and 136.5MB 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: unable to decide satisfiability of path constraint. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L31] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 4); [L32] const SORT_7 msb_SORT_7 = (SORT_7)1 << (4 - 1); [L34] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 3); [L35] const SORT_16 msb_SORT_16 = (SORT_16)1 << (3 - 1); [L37] const SORT_1 var_12 = 0; [L38] const SORT_16 var_17 = 0; [L39] const SORT_16 var_20 = 6; [L40] const SORT_16 var_25 = 7; [L41] const SORT_1 var_30 = 1; [L42] const SORT_5 var_34 = 0; [L43] const SORT_7 var_39 = 0; [L44] const SORT_7 var_42 = 8; [L45] const SORT_7 var_44 = 9; [L46] const SORT_7 var_47 = 15; [L47] const SORT_7 var_55 = 12; [L48] const SORT_7 var_58 = 4; [L49] const SORT_7 var_64 = 10; [L50] const SORT_7 var_66 = 11; [L51] const SORT_7 var_69 = 13; [L52] const SORT_7 var_84 = 1; [L53] const SORT_7 var_89 = 5; [L54] const SORT_16 var_114 = 1; [L55] const SORT_16 var_116 = 5; [L56] const SORT_5 var_125 = 1; [L58] SORT_1 input_2; [L59] SORT_1 input_3; [L60] SORT_1 input_4; [L61] SORT_5 input_6; [L62] SORT_7 input_8; [L63] SORT_1 input_9; [L64] SORT_1 input_10; [L65] SORT_1 input_11; [L66] SORT_5 input_93; [L67] SORT_5 input_95; [L68] SORT_5 input_97; [L69] SORT_5 input_99; [L70] SORT_5 input_101; [L71] SORT_5 input_103; [L72] SORT_5 input_105; [L73] SORT_5 input_107; [L74] SORT_5 input_109; [L76] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_16 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L78] SORT_16 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L79] SORT_5 state_35 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L81] SORT_1 init_14_arg_1 = var_12; [L82] state_13 = init_14_arg_1 [L83] SORT_16 init_19_arg_1 = var_17; [L84] state_18 = init_19_arg_1 [L85] SORT_16 init_24_arg_1 = var_17; [L86] state_23 = init_24_arg_1 [L87] SORT_5 init_36_arg_1 = var_34; [L88] state_35 = init_36_arg_1 [L91] input_2 = __VERIFIER_nondet_uchar() [L92] input_3 = __VERIFIER_nondet_uchar() [L93] input_4 = __VERIFIER_nondet_uchar() [L94] input_6 = __VERIFIER_nondet_ushort() [L95] input_8 = __VERIFIER_nondet_uchar() [L96] input_8 = input_8 & mask_SORT_7 [L97] input_9 = __VERIFIER_nondet_uchar() [L98] input_10 = __VERIFIER_nondet_uchar() [L99] input_11 = __VERIFIER_nondet_uchar() [L100] input_93 = __VERIFIER_nondet_ushort() [L101] input_95 = __VERIFIER_nondet_ushort() [L102] input_97 = __VERIFIER_nondet_ushort() [L103] input_99 = __VERIFIER_nondet_ushort() [L104] input_101 = __VERIFIER_nondet_ushort() [L105] input_103 = __VERIFIER_nondet_ushort() [L106] input_105 = __VERIFIER_nondet_ushort() [L107] input_107 = __VERIFIER_nondet_ushort() [L108] input_109 = __VERIFIER_nondet_ushort() [L111] SORT_1 var_15_arg_0 = state_13; [L112] SORT_1 var_15_arg_1 = var_12; [L113] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L114] SORT_16 var_21_arg_0 = state_18; [L115] SORT_16 var_21_arg_1 = var_20; [L116] SORT_1 var_21 = var_21_arg_0 != var_21_arg_1; [L117] SORT_1 var_22_arg_0 = var_15; [L118] SORT_1 var_22_arg_1 = var_21; [L119] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L120] SORT_16 var_26_arg_0 = state_23; [L121] SORT_16 var_26_arg_1 = var_25; [L122] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L123] SORT_1 var_27_arg_0 = var_22; [L124] SORT_1 var_27_arg_1 = var_26; [L125] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L126] SORT_1 var_31_arg_0 = var_27; [L127] SORT_1 var_31 = ~var_31_arg_0; [L128] SORT_1 var_32_arg_0 = var_30; [L129] SORT_1 var_32_arg_1 = var_31; [L130] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L131] var_32 = var_32 & mask_SORT_1 [L132] SORT_1 bad_33_arg_0 = var_32; [L133] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND FALSE !(!(cond)) [L133] RET __VERIFIER_assert(!(bad_33_arg_0)) [L135] SORT_1 next_111_arg_1 = var_30; [L136] SORT_16 next_112_arg_1 = state_23; [L137] SORT_1 var_52_arg_0 = input_2; [L138] SORT_1 var_52 = ~var_52_arg_0; [L139] SORT_1 var_53_arg_0 = input_3; [L140] SORT_1 var_53_arg_1 = var_52; [L141] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L142] SORT_1 var_63_arg_0 = var_53; [L143] SORT_1 var_63 = ~var_63_arg_0; [L144] SORT_7 var_65_arg_0 = input_8; [L145] SORT_7 var_65_arg_1 = var_64; [L146] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L147] SORT_7 var_67_arg_0 = input_8; [L148] SORT_7 var_67_arg_1 = var_66; [L149] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L150] SORT_1 var_68_arg_0 = var_65; [L151] SORT_1 var_68_arg_1 = var_67; [L152] SORT_1 var_68 = var_68_arg_0 | var_68_arg_1; [L153] SORT_7 var_70_arg_0 = input_8; [L154] SORT_7 var_70_arg_1 = var_69; [L155] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L156] SORT_1 var_71_arg_0 = var_68; [L157] SORT_1 var_71_arg_1 = var_70; [L158] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L159] SORT_7 var_72_arg_0 = input_8; [L160] SORT_7 var_72_arg_1 = var_47; [L161] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L162] SORT_1 var_73_arg_0 = var_71; [L163] SORT_1 var_73_arg_1 = var_72; [L164] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L165] SORT_1 var_74_arg_0 = var_63; [L166] SORT_1 var_74_arg_1 = var_73; [L167] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L168] SORT_5 var_37_arg_0 = state_35; [L169] SORT_1 var_37 = var_37_arg_0 != 0; [L170] SORT_1 var_75_arg_0 = var_37; [L171] SORT_1 var_75 = ~var_75_arg_0; [L172] SORT_7 var_76_arg_0 = input_8; [L173] SORT_7 var_76_arg_1 = var_42; [L174] SORT_1 var_76 = var_76_arg_0 == var_76_arg_1; [L175] SORT_7 var_77_arg_0 = input_8; [L176] SORT_7 var_77_arg_1 = var_47; [L177] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L178] SORT_1 var_78_arg_0 = var_76; [L179] SORT_1 var_78_arg_1 = var_77; [L180] SORT_1 var_78 = var_78_arg_0 | var_78_arg_1; [L181] SORT_1 var_79_arg_0 = var_75; [L182] SORT_1 var_79_arg_1 = var_78; [L183] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L184] SORT_1 var_80_arg_0 = var_74; [L185] SORT_1 var_80_arg_1 = var_79; [L186] SORT_1 var_80 = var_80_arg_0 | var_80_arg_1; [L187] SORT_16 var_121_arg_0 = state_23; [L188] SORT_16 var_121_arg_1 = var_17; [L189] SORT_1 var_121 = var_121_arg_0 != var_121_arg_1; [L190] SORT_1 var_122_arg_0 = var_80; [L191] SORT_1 var_122_arg_1 = var_121; [L192] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L193] var_122 = var_122 & mask_SORT_1 [L194] SORT_16 var_120_arg_0 = state_23; [L195] SORT_16 var_120_arg_1 = var_114; [L196] SORT_16 var_120 = var_120_arg_0 - var_120_arg_1; [L197] SORT_1 var_83_arg_0 = var_53; [L198] SORT_1 var_83 = ~var_83_arg_0; [L199] SORT_7 var_85_arg_0 = input_8; [L200] SORT_7 var_85_arg_1 = var_84; [L201] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L202] SORT_1 var_86_arg_0 = var_83; [L203] SORT_1 var_86_arg_1 = var_85; [L204] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L205] SORT_7 var_87_arg_0 = input_8; [L206] SORT_7 var_87_arg_1 = var_58; [L207] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L208] SORT_1 var_88_arg_0 = var_86; [L209] SORT_1 var_88_arg_1 = var_87; [L210] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L211] SORT_7 var_90_arg_0 = input_8; [L212] SORT_7 var_90_arg_1 = var_89; [L213] SORT_1 var_90 = var_90_arg_0 == var_90_arg_1; [L214] SORT_1 var_91_arg_0 = var_88; [L215] SORT_1 var_91_arg_1 = var_90; [L216] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L217] SORT_16 var_117_arg_0 = state_23; [L218] SORT_16 var_117_arg_1 = var_116; [L219] SORT_1 var_117 = var_117_arg_0 != var_117_arg_1; [L220] SORT_1 var_118_arg_0 = var_91; [L221] SORT_1 var_118_arg_1 = var_117; [L222] SORT_1 var_118 = var_118_arg_0 & var_118_arg_1; [L223] var_118 = var_118 & mask_SORT_1 [L224] SORT_16 var_115_arg_0 = state_23; [L225] SORT_16 var_115_arg_1 = var_114; [L226] SORT_16 var_115 = var_115_arg_0 + var_115_arg_1; [L227] SORT_7 var_40_arg_0 = input_8; [L228] SORT_7 var_40_arg_1 = var_39; [L229] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L230] SORT_1 var_113_arg_0 = var_40; [L231] SORT_16 var_113_arg_1 = var_17; [L232] SORT_16 var_113_arg_2 = state_23; [L233] SORT_16 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L234] SORT_1 var_119_arg_0 = var_118; [L235] SORT_16 var_119_arg_1 = var_115; [L236] SORT_16 var_119_arg_2 = var_113; [L237] SORT_16 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L238] SORT_1 var_123_arg_0 = var_122; [L239] SORT_16 var_123_arg_1 = var_120; [L240] SORT_16 var_123_arg_2 = var_119; [L241] SORT_16 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L242] var_123 = var_123 & mask_SORT_16 [L243] SORT_16 next_124_arg_1 = var_123; [L244] SORT_7 var_56_arg_0 = input_8; [L245] SORT_7 var_56_arg_1 = var_55; [L246] SORT_1 var_56 = var_56_arg_0 == var_56_arg_1; [L247] SORT_1 var_57_arg_0 = var_53; [L248] SORT_1 var_57 = ~var_57_arg_0; [L249] SORT_7 var_59_arg_0 = input_8; [L250] SORT_7 var_59_arg_1 = var_58; [L251] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L252] SORT_1 var_60_arg_0 = var_57; [L253] SORT_1 var_60_arg_1 = var_59; [L254] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L255] SORT_1 var_61_arg_0 = var_56; [L256] SORT_1 var_61_arg_1 = var_60; [L257] SORT_1 var_61 = var_61_arg_0 | var_61_arg_1; [L258] SORT_1 var_129_arg_0 = input_10; [L259] SORT_1 var_129 = ~var_129_arg_0; [L260] SORT_1 var_130_arg_0 = var_61; [L261] SORT_1 var_130_arg_1 = var_129; [L262] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L263] var_130 = var_130 & mask_SORT_1 [L264] SORT_7 var_43_arg_0 = input_8; [L265] SORT_7 var_43_arg_1 = var_42; [L266] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L267] SORT_7 var_45_arg_0 = input_8; [L268] SORT_7 var_45_arg_1 = var_44; [L269] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L270] SORT_1 var_46_arg_0 = var_43; [L271] SORT_1 var_46_arg_1 = var_45; [L272] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L273] SORT_7 var_48_arg_0 = input_8; [L274] SORT_7 var_48_arg_1 = var_47; [L275] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L276] SORT_1 var_49_arg_0 = var_46; [L277] SORT_1 var_49_arg_1 = var_48; [L278] SORT_1 var_49 = var_49_arg_0 | var_49_arg_1; [L279] SORT_1 var_50_arg_0 = var_37; [L280] SORT_1 var_50_arg_1 = var_49; [L281] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L282] SORT_1 var_127_arg_0 = var_50; [L283] SORT_1 var_127_arg_1 = input_10; [L284] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L285] var_127 = var_127 & mask_SORT_1 [L286] SORT_5 var_126_arg_0 = state_35; [L287] SORT_5 var_126_arg_1 = var_125; [L288] SORT_5 var_126 = var_126_arg_0 - var_126_arg_1; [L289] SORT_1 var_128_arg_0 = var_127; [L290] SORT_5 var_128_arg_1 = var_126; [L291] SORT_5 var_128_arg_2 = state_35; [L292] SORT_5 var_128 = var_128_arg_0 ? var_128_arg_1 : var_128_arg_2; [L293] SORT_1 var_131_arg_0 = var_130; [L294] SORT_5 var_131_arg_1 = input_6; [L295] SORT_5 var_131_arg_2 = var_128; [L296] SORT_5 var_131 = var_131_arg_0 ? var_131_arg_1 : var_131_arg_2; [L297] var_131 = var_131 & mask_SORT_5 [L298] SORT_5 next_132_arg_1 = var_131; [L300] state_13 = next_111_arg_1 [L301] state_18 = next_112_arg_1 [L302] state_23 = next_124_arg_1 [L303] state_35 = next_132_arg_1 [L91] input_2 = __VERIFIER_nondet_uchar() [L92] input_3 = __VERIFIER_nondet_uchar() [L93] input_4 = __VERIFIER_nondet_uchar() [L94] input_6 = __VERIFIER_nondet_ushort() [L95] input_8 = __VERIFIER_nondet_uchar() [L96] input_8 = input_8 & mask_SORT_7 [L97] input_9 = __VERIFIER_nondet_uchar() [L98] input_10 = __VERIFIER_nondet_uchar() [L99] input_11 = __VERIFIER_nondet_uchar() [L100] input_93 = __VERIFIER_nondet_ushort() [L101] input_95 = __VERIFIER_nondet_ushort() [L102] input_97 = __VERIFIER_nondet_ushort() [L103] input_99 = __VERIFIER_nondet_ushort() [L104] input_101 = __VERIFIER_nondet_ushort() [L105] input_103 = __VERIFIER_nondet_ushort() [L106] input_105 = __VERIFIER_nondet_ushort() [L107] input_107 = __VERIFIER_nondet_ushort() [L108] input_109 = __VERIFIER_nondet_ushort() [L111] SORT_1 var_15_arg_0 = state_13; [L112] SORT_1 var_15_arg_1 = var_12; [L113] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L114] SORT_16 var_21_arg_0 = state_18; [L115] SORT_16 var_21_arg_1 = var_20; [L116] SORT_1 var_21 = var_21_arg_0 != var_21_arg_1; [L117] SORT_1 var_22_arg_0 = var_15; [L118] SORT_1 var_22_arg_1 = var_21; [L119] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L120] SORT_16 var_26_arg_0 = state_23; [L121] SORT_16 var_26_arg_1 = var_25; [L122] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L123] SORT_1 var_27_arg_0 = var_22; [L124] SORT_1 var_27_arg_1 = var_26; [L125] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L126] SORT_1 var_31_arg_0 = var_27; [L127] SORT_1 var_31 = ~var_31_arg_0; [L128] SORT_1 var_32_arg_0 = var_30; [L129] SORT_1 var_32_arg_1 = var_31; [L130] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L131] var_32 = var_32 & mask_SORT_1 [L132] SORT_1 bad_33_arg_0 = var_32; [L133] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND FALSE !(!(cond)) [L133] RET __VERIFIER_assert(!(bad_33_arg_0)) [L135] SORT_1 next_111_arg_1 = var_30; [L136] SORT_16 next_112_arg_1 = state_23; [L137] SORT_1 var_52_arg_0 = input_2; [L138] SORT_1 var_52 = ~var_52_arg_0; [L139] SORT_1 var_53_arg_0 = input_3; [L140] SORT_1 var_53_arg_1 = var_52; [L141] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L142] SORT_1 var_63_arg_0 = var_53; [L143] SORT_1 var_63 = ~var_63_arg_0; [L144] SORT_7 var_65_arg_0 = input_8; [L145] SORT_7 var_65_arg_1 = var_64; [L146] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L147] SORT_7 var_67_arg_0 = input_8; [L148] SORT_7 var_67_arg_1 = var_66; [L149] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L150] SORT_1 var_68_arg_0 = var_65; [L151] SORT_1 var_68_arg_1 = var_67; [L152] SORT_1 var_68 = var_68_arg_0 | var_68_arg_1; [L153] SORT_7 var_70_arg_0 = input_8; [L154] SORT_7 var_70_arg_1 = var_69; [L155] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L156] SORT_1 var_71_arg_0 = var_68; [L157] SORT_1 var_71_arg_1 = var_70; [L158] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L159] SORT_7 var_72_arg_0 = input_8; [L160] SORT_7 var_72_arg_1 = var_47; [L161] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L162] SORT_1 var_73_arg_0 = var_71; [L163] SORT_1 var_73_arg_1 = var_72; [L164] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L165] SORT_1 var_74_arg_0 = var_63; [L166] SORT_1 var_74_arg_1 = var_73; [L167] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L168] SORT_5 var_37_arg_0 = state_35; [L169] SORT_1 var_37 = var_37_arg_0 != 0; [L170] SORT_1 var_75_arg_0 = var_37; [L171] SORT_1 var_75 = ~var_75_arg_0; [L172] SORT_7 var_76_arg_0 = input_8; [L173] SORT_7 var_76_arg_1 = var_42; [L174] SORT_1 var_76 = var_76_arg_0 == var_76_arg_1; [L175] SORT_7 var_77_arg_0 = input_8; [L176] SORT_7 var_77_arg_1 = var_47; [L177] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L178] SORT_1 var_78_arg_0 = var_76; [L179] SORT_1 var_78_arg_1 = var_77; [L180] SORT_1 var_78 = var_78_arg_0 | var_78_arg_1; [L181] SORT_1 var_79_arg_0 = var_75; [L182] SORT_1 var_79_arg_1 = var_78; [L183] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L184] SORT_1 var_80_arg_0 = var_74; [L185] SORT_1 var_80_arg_1 = var_79; [L186] SORT_1 var_80 = var_80_arg_0 | var_80_arg_1; [L187] SORT_16 var_121_arg_0 = state_23; [L188] SORT_16 var_121_arg_1 = var_17; [L189] SORT_1 var_121 = var_121_arg_0 != var_121_arg_1; [L190] SORT_1 var_122_arg_0 = var_80; [L191] SORT_1 var_122_arg_1 = var_121; [L192] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L193] var_122 = var_122 & mask_SORT_1 [L194] SORT_16 var_120_arg_0 = state_23; [L195] SORT_16 var_120_arg_1 = var_114; [L196] SORT_16 var_120 = var_120_arg_0 - var_120_arg_1; [L197] SORT_1 var_83_arg_0 = var_53; [L198] SORT_1 var_83 = ~var_83_arg_0; [L199] SORT_7 var_85_arg_0 = input_8; [L200] SORT_7 var_85_arg_1 = var_84; [L201] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L202] SORT_1 var_86_arg_0 = var_83; [L203] SORT_1 var_86_arg_1 = var_85; [L204] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L205] SORT_7 var_87_arg_0 = input_8; [L206] SORT_7 var_87_arg_1 = var_58; [L207] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L208] SORT_1 var_88_arg_0 = var_86; [L209] SORT_1 var_88_arg_1 = var_87; [L210] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L211] SORT_7 var_90_arg_0 = input_8; [L212] SORT_7 var_90_arg_1 = var_89; [L213] SORT_1 var_90 = var_90_arg_0 == var_90_arg_1; [L214] SORT_1 var_91_arg_0 = var_88; [L215] SORT_1 var_91_arg_1 = var_90; [L216] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L217] SORT_16 var_117_arg_0 = state_23; [L218] SORT_16 var_117_arg_1 = var_116; [L219] SORT_1 var_117 = var_117_arg_0 != var_117_arg_1; [L220] SORT_1 var_118_arg_0 = var_91; [L221] SORT_1 var_118_arg_1 = var_117; [L222] SORT_1 var_118 = var_118_arg_0 & var_118_arg_1; [L223] var_118 = var_118 & mask_SORT_1 [L224] SORT_16 var_115_arg_0 = state_23; [L225] SORT_16 var_115_arg_1 = var_114; [L226] SORT_16 var_115 = var_115_arg_0 + var_115_arg_1; [L227] SORT_7 var_40_arg_0 = input_8; [L228] SORT_7 var_40_arg_1 = var_39; [L229] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L230] SORT_1 var_113_arg_0 = var_40; [L231] SORT_16 var_113_arg_1 = var_17; [L232] SORT_16 var_113_arg_2 = state_23; [L233] SORT_16 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L234] SORT_1 var_119_arg_0 = var_118; [L235] SORT_16 var_119_arg_1 = var_115; [L236] SORT_16 var_119_arg_2 = var_113; [L237] SORT_16 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L238] SORT_1 var_123_arg_0 = var_122; [L239] SORT_16 var_123_arg_1 = var_120; [L240] SORT_16 var_123_arg_2 = var_119; [L241] SORT_16 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L242] var_123 = var_123 & mask_SORT_16 [L243] SORT_16 next_124_arg_1 = var_123; [L244] SORT_7 var_56_arg_0 = input_8; [L245] SORT_7 var_56_arg_1 = var_55; [L246] SORT_1 var_56 = var_56_arg_0 == var_56_arg_1; [L247] SORT_1 var_57_arg_0 = var_53; [L248] SORT_1 var_57 = ~var_57_arg_0; [L249] SORT_7 var_59_arg_0 = input_8; [L250] SORT_7 var_59_arg_1 = var_58; [L251] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L252] SORT_1 var_60_arg_0 = var_57; [L253] SORT_1 var_60_arg_1 = var_59; [L254] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L255] SORT_1 var_61_arg_0 = var_56; [L256] SORT_1 var_61_arg_1 = var_60; [L257] SORT_1 var_61 = var_61_arg_0 | var_61_arg_1; [L258] SORT_1 var_129_arg_0 = input_10; [L259] SORT_1 var_129 = ~var_129_arg_0; [L260] SORT_1 var_130_arg_0 = var_61; [L261] SORT_1 var_130_arg_1 = var_129; [L262] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L263] var_130 = var_130 & mask_SORT_1 [L264] SORT_7 var_43_arg_0 = input_8; [L265] SORT_7 var_43_arg_1 = var_42; [L266] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L267] SORT_7 var_45_arg_0 = input_8; [L268] SORT_7 var_45_arg_1 = var_44; [L269] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L270] SORT_1 var_46_arg_0 = var_43; [L271] SORT_1 var_46_arg_1 = var_45; [L272] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L273] SORT_7 var_48_arg_0 = input_8; [L274] SORT_7 var_48_arg_1 = var_47; [L275] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L276] SORT_1 var_49_arg_0 = var_46; [L277] SORT_1 var_49_arg_1 = var_48; [L278] SORT_1 var_49 = var_49_arg_0 | var_49_arg_1; [L279] SORT_1 var_50_arg_0 = var_37; [L280] SORT_1 var_50_arg_1 = var_49; [L281] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L282] SORT_1 var_127_arg_0 = var_50; [L283] SORT_1 var_127_arg_1 = input_10; [L284] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L285] var_127 = var_127 & mask_SORT_1 [L286] SORT_5 var_126_arg_0 = state_35; [L287] SORT_5 var_126_arg_1 = var_125; [L288] SORT_5 var_126 = var_126_arg_0 - var_126_arg_1; [L289] SORT_1 var_128_arg_0 = var_127; [L290] SORT_5 var_128_arg_1 = var_126; [L291] SORT_5 var_128_arg_2 = state_35; [L292] SORT_5 var_128 = var_128_arg_0 ? var_128_arg_1 : var_128_arg_2; [L293] SORT_1 var_131_arg_0 = var_130; [L294] SORT_5 var_131_arg_1 = input_6; [L295] SORT_5 var_131_arg_2 = var_128; [L296] SORT_5 var_131 = var_131_arg_0 ? var_131_arg_1 : var_131_arg_2; [L297] var_131 = var_131 & mask_SORT_5 [L298] SORT_5 next_132_arg_1 = var_131; [L300] state_13 = next_111_arg_1 [L301] state_18 = next_112_arg_1 [L302] state_23 = next_124_arg_1 [L303] state_35 = next_132_arg_1 [L91] input_2 = __VERIFIER_nondet_uchar() [L92] input_3 = __VERIFIER_nondet_uchar() [L93] input_4 = __VERIFIER_nondet_uchar() [L94] input_6 = __VERIFIER_nondet_ushort() [L95] input_8 = __VERIFIER_nondet_uchar() [L96] input_8 = input_8 & mask_SORT_7 [L97] input_9 = __VERIFIER_nondet_uchar() [L98] input_10 = __VERIFIER_nondet_uchar() [L99] input_11 = __VERIFIER_nondet_uchar() [L100] input_93 = __VERIFIER_nondet_ushort() [L101] input_95 = __VERIFIER_nondet_ushort() [L102] input_97 = __VERIFIER_nondet_ushort() [L103] input_99 = __VERIFIER_nondet_ushort() [L104] input_101 = __VERIFIER_nondet_ushort() [L105] input_103 = __VERIFIER_nondet_ushort() [L106] input_105 = __VERIFIER_nondet_ushort() [L107] input_107 = __VERIFIER_nondet_ushort() [L108] input_109 = __VERIFIER_nondet_ushort() [L111] SORT_1 var_15_arg_0 = state_13; [L112] SORT_1 var_15_arg_1 = var_12; [L113] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L114] SORT_16 var_21_arg_0 = state_18; [L115] SORT_16 var_21_arg_1 = var_20; [L116] SORT_1 var_21 = var_21_arg_0 != var_21_arg_1; [L117] SORT_1 var_22_arg_0 = var_15; [L118] SORT_1 var_22_arg_1 = var_21; [L119] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L120] SORT_16 var_26_arg_0 = state_23; [L121] SORT_16 var_26_arg_1 = var_25; [L122] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L123] SORT_1 var_27_arg_0 = var_22; [L124] SORT_1 var_27_arg_1 = var_26; [L125] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L126] SORT_1 var_31_arg_0 = var_27; [L127] SORT_1 var_31 = ~var_31_arg_0; [L128] SORT_1 var_32_arg_0 = var_30; [L129] SORT_1 var_32_arg_1 = var_31; [L130] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L131] var_32 = var_32 & mask_SORT_1 [L132] SORT_1 bad_33_arg_0 = var_32; [L133] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND FALSE !(!(cond)) [L133] RET __VERIFIER_assert(!(bad_33_arg_0)) [L135] SORT_1 next_111_arg_1 = var_30; [L136] SORT_16 next_112_arg_1 = state_23; [L137] SORT_1 var_52_arg_0 = input_2; [L138] SORT_1 var_52 = ~var_52_arg_0; [L139] SORT_1 var_53_arg_0 = input_3; [L140] SORT_1 var_53_arg_1 = var_52; [L141] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L142] SORT_1 var_63_arg_0 = var_53; [L143] SORT_1 var_63 = ~var_63_arg_0; [L144] SORT_7 var_65_arg_0 = input_8; [L145] SORT_7 var_65_arg_1 = var_64; [L146] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L147] SORT_7 var_67_arg_0 = input_8; [L148] SORT_7 var_67_arg_1 = var_66; [L149] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L150] SORT_1 var_68_arg_0 = var_65; [L151] SORT_1 var_68_arg_1 = var_67; [L152] SORT_1 var_68 = var_68_arg_0 | var_68_arg_1; [L153] SORT_7 var_70_arg_0 = input_8; [L154] SORT_7 var_70_arg_1 = var_69; [L155] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L156] SORT_1 var_71_arg_0 = var_68; [L157] SORT_1 var_71_arg_1 = var_70; [L158] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L159] SORT_7 var_72_arg_0 = input_8; [L160] SORT_7 var_72_arg_1 = var_47; [L161] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L162] SORT_1 var_73_arg_0 = var_71; [L163] SORT_1 var_73_arg_1 = var_72; [L164] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L165] SORT_1 var_74_arg_0 = var_63; [L166] SORT_1 var_74_arg_1 = var_73; [L167] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L168] SORT_5 var_37_arg_0 = state_35; [L169] SORT_1 var_37 = var_37_arg_0 != 0; [L170] SORT_1 var_75_arg_0 = var_37; [L171] SORT_1 var_75 = ~var_75_arg_0; [L172] SORT_7 var_76_arg_0 = input_8; [L173] SORT_7 var_76_arg_1 = var_42; [L174] SORT_1 var_76 = var_76_arg_0 == var_76_arg_1; [L175] SORT_7 var_77_arg_0 = input_8; [L176] SORT_7 var_77_arg_1 = var_47; [L177] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L178] SORT_1 var_78_arg_0 = var_76; [L179] SORT_1 var_78_arg_1 = var_77; [L180] SORT_1 var_78 = var_78_arg_0 | var_78_arg_1; [L181] SORT_1 var_79_arg_0 = var_75; [L182] SORT_1 var_79_arg_1 = var_78; [L183] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L184] SORT_1 var_80_arg_0 = var_74; [L185] SORT_1 var_80_arg_1 = var_79; [L186] SORT_1 var_80 = var_80_arg_0 | var_80_arg_1; [L187] SORT_16 var_121_arg_0 = state_23; [L188] SORT_16 var_121_arg_1 = var_17; [L189] SORT_1 var_121 = var_121_arg_0 != var_121_arg_1; [L190] SORT_1 var_122_arg_0 = var_80; [L191] SORT_1 var_122_arg_1 = var_121; [L192] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L193] var_122 = var_122 & mask_SORT_1 [L194] SORT_16 var_120_arg_0 = state_23; [L195] SORT_16 var_120_arg_1 = var_114; [L196] SORT_16 var_120 = var_120_arg_0 - var_120_arg_1; [L197] SORT_1 var_83_arg_0 = var_53; [L198] SORT_1 var_83 = ~var_83_arg_0; [L199] SORT_7 var_85_arg_0 = input_8; [L200] SORT_7 var_85_arg_1 = var_84; [L201] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L202] SORT_1 var_86_arg_0 = var_83; [L203] SORT_1 var_86_arg_1 = var_85; [L204] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L205] SORT_7 var_87_arg_0 = input_8; [L206] SORT_7 var_87_arg_1 = var_58; [L207] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L208] SORT_1 var_88_arg_0 = var_86; [L209] SORT_1 var_88_arg_1 = var_87; [L210] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L211] SORT_7 var_90_arg_0 = input_8; [L212] SORT_7 var_90_arg_1 = var_89; [L213] SORT_1 var_90 = var_90_arg_0 == var_90_arg_1; [L214] SORT_1 var_91_arg_0 = var_88; [L215] SORT_1 var_91_arg_1 = var_90; [L216] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L217] SORT_16 var_117_arg_0 = state_23; [L218] SORT_16 var_117_arg_1 = var_116; [L219] SORT_1 var_117 = var_117_arg_0 != var_117_arg_1; [L220] SORT_1 var_118_arg_0 = var_91; [L221] SORT_1 var_118_arg_1 = var_117; [L222] SORT_1 var_118 = var_118_arg_0 & var_118_arg_1; [L223] var_118 = var_118 & mask_SORT_1 [L224] SORT_16 var_115_arg_0 = state_23; [L225] SORT_16 var_115_arg_1 = var_114; [L226] SORT_16 var_115 = var_115_arg_0 + var_115_arg_1; [L227] SORT_7 var_40_arg_0 = input_8; [L228] SORT_7 var_40_arg_1 = var_39; [L229] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L230] SORT_1 var_113_arg_0 = var_40; [L231] SORT_16 var_113_arg_1 = var_17; [L232] SORT_16 var_113_arg_2 = state_23; [L233] SORT_16 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L234] SORT_1 var_119_arg_0 = var_118; [L235] SORT_16 var_119_arg_1 = var_115; [L236] SORT_16 var_119_arg_2 = var_113; [L237] SORT_16 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L238] SORT_1 var_123_arg_0 = var_122; [L239] SORT_16 var_123_arg_1 = var_120; [L240] SORT_16 var_123_arg_2 = var_119; [L241] SORT_16 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L242] var_123 = var_123 & mask_SORT_16 [L243] SORT_16 next_124_arg_1 = var_123; [L244] SORT_7 var_56_arg_0 = input_8; [L245] SORT_7 var_56_arg_1 = var_55; [L246] SORT_1 var_56 = var_56_arg_0 == var_56_arg_1; [L247] SORT_1 var_57_arg_0 = var_53; [L248] SORT_1 var_57 = ~var_57_arg_0; [L249] SORT_7 var_59_arg_0 = input_8; [L250] SORT_7 var_59_arg_1 = var_58; [L251] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L252] SORT_1 var_60_arg_0 = var_57; [L253] SORT_1 var_60_arg_1 = var_59; [L254] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L255] SORT_1 var_61_arg_0 = var_56; [L256] SORT_1 var_61_arg_1 = var_60; [L257] SORT_1 var_61 = var_61_arg_0 | var_61_arg_1; [L258] SORT_1 var_129_arg_0 = input_10; [L259] SORT_1 var_129 = ~var_129_arg_0; [L260] SORT_1 var_130_arg_0 = var_61; [L261] SORT_1 var_130_arg_1 = var_129; [L262] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L263] var_130 = var_130 & mask_SORT_1 [L264] SORT_7 var_43_arg_0 = input_8; [L265] SORT_7 var_43_arg_1 = var_42; [L266] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L267] SORT_7 var_45_arg_0 = input_8; [L268] SORT_7 var_45_arg_1 = var_44; [L269] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L270] SORT_1 var_46_arg_0 = var_43; [L271] SORT_1 var_46_arg_1 = var_45; [L272] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L273] SORT_7 var_48_arg_0 = input_8; [L274] SORT_7 var_48_arg_1 = var_47; [L275] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L276] SORT_1 var_49_arg_0 = var_46; [L277] SORT_1 var_49_arg_1 = var_48; [L278] SORT_1 var_49 = var_49_arg_0 | var_49_arg_1; [L279] SORT_1 var_50_arg_0 = var_37; [L280] SORT_1 var_50_arg_1 = var_49; [L281] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L282] SORT_1 var_127_arg_0 = var_50; [L283] SORT_1 var_127_arg_1 = input_10; [L284] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L285] var_127 = var_127 & mask_SORT_1 [L286] SORT_5 var_126_arg_0 = state_35; [L287] SORT_5 var_126_arg_1 = var_125; [L288] SORT_5 var_126 = var_126_arg_0 - var_126_arg_1; [L289] SORT_1 var_128_arg_0 = var_127; [L290] SORT_5 var_128_arg_1 = var_126; [L291] SORT_5 var_128_arg_2 = state_35; [L292] SORT_5 var_128 = var_128_arg_0 ? var_128_arg_1 : var_128_arg_2; [L293] SORT_1 var_131_arg_0 = var_130; [L294] SORT_5 var_131_arg_1 = input_6; [L295] SORT_5 var_131_arg_2 = var_128; [L296] SORT_5 var_131 = var_131_arg_0 ? var_131_arg_1 : var_131_arg_2; [L297] var_131 = var_131 & mask_SORT_5 [L298] SORT_5 next_132_arg_1 = var_131; [L300] state_13 = next_111_arg_1 [L301] state_18 = next_112_arg_1 [L302] state_23 = next_124_arg_1 [L303] state_35 = next_132_arg_1 [L91] input_2 = __VERIFIER_nondet_uchar() [L92] input_3 = __VERIFIER_nondet_uchar() [L93] input_4 = __VERIFIER_nondet_uchar() [L94] input_6 = __VERIFIER_nondet_ushort() [L95] input_8 = __VERIFIER_nondet_uchar() [L96] input_8 = input_8 & mask_SORT_7 [L97] input_9 = __VERIFIER_nondet_uchar() [L98] input_10 = __VERIFIER_nondet_uchar() [L99] input_11 = __VERIFIER_nondet_uchar() [L100] input_93 = __VERIFIER_nondet_ushort() [L101] input_95 = __VERIFIER_nondet_ushort() [L102] input_97 = __VERIFIER_nondet_ushort() [L103] input_99 = __VERIFIER_nondet_ushort() [L104] input_101 = __VERIFIER_nondet_ushort() [L105] input_103 = __VERIFIER_nondet_ushort() [L106] input_105 = __VERIFIER_nondet_ushort() [L107] input_107 = __VERIFIER_nondet_ushort() [L108] input_109 = __VERIFIER_nondet_ushort() [L111] SORT_1 var_15_arg_0 = state_13; [L112] SORT_1 var_15_arg_1 = var_12; [L113] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L114] SORT_16 var_21_arg_0 = state_18; [L115] SORT_16 var_21_arg_1 = var_20; [L116] SORT_1 var_21 = var_21_arg_0 != var_21_arg_1; [L117] SORT_1 var_22_arg_0 = var_15; [L118] SORT_1 var_22_arg_1 = var_21; [L119] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L120] SORT_16 var_26_arg_0 = state_23; [L121] SORT_16 var_26_arg_1 = var_25; [L122] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L123] SORT_1 var_27_arg_0 = var_22; [L124] SORT_1 var_27_arg_1 = var_26; [L125] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L126] SORT_1 var_31_arg_0 = var_27; [L127] SORT_1 var_31 = ~var_31_arg_0; [L128] SORT_1 var_32_arg_0 = var_30; [L129] SORT_1 var_32_arg_1 = var_31; [L130] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L131] var_32 = var_32 & mask_SORT_1 [L132] SORT_1 bad_33_arg_0 = var_32; [L133] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND FALSE !(!(cond)) [L133] RET __VERIFIER_assert(!(bad_33_arg_0)) [L135] SORT_1 next_111_arg_1 = var_30; [L136] SORT_16 next_112_arg_1 = state_23; [L137] SORT_1 var_52_arg_0 = input_2; [L138] SORT_1 var_52 = ~var_52_arg_0; [L139] SORT_1 var_53_arg_0 = input_3; [L140] SORT_1 var_53_arg_1 = var_52; [L141] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L142] SORT_1 var_63_arg_0 = var_53; [L143] SORT_1 var_63 = ~var_63_arg_0; [L144] SORT_7 var_65_arg_0 = input_8; [L145] SORT_7 var_65_arg_1 = var_64; [L146] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L147] SORT_7 var_67_arg_0 = input_8; [L148] SORT_7 var_67_arg_1 = var_66; [L149] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L150] SORT_1 var_68_arg_0 = var_65; [L151] SORT_1 var_68_arg_1 = var_67; [L152] SORT_1 var_68 = var_68_arg_0 | var_68_arg_1; [L153] SORT_7 var_70_arg_0 = input_8; [L154] SORT_7 var_70_arg_1 = var_69; [L155] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L156] SORT_1 var_71_arg_0 = var_68; [L157] SORT_1 var_71_arg_1 = var_70; [L158] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L159] SORT_7 var_72_arg_0 = input_8; [L160] SORT_7 var_72_arg_1 = var_47; [L161] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L162] SORT_1 var_73_arg_0 = var_71; [L163] SORT_1 var_73_arg_1 = var_72; [L164] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L165] SORT_1 var_74_arg_0 = var_63; [L166] SORT_1 var_74_arg_1 = var_73; [L167] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L168] SORT_5 var_37_arg_0 = state_35; [L169] SORT_1 var_37 = var_37_arg_0 != 0; [L170] SORT_1 var_75_arg_0 = var_37; [L171] SORT_1 var_75 = ~var_75_arg_0; [L172] SORT_7 var_76_arg_0 = input_8; [L173] SORT_7 var_76_arg_1 = var_42; [L174] SORT_1 var_76 = var_76_arg_0 == var_76_arg_1; [L175] SORT_7 var_77_arg_0 = input_8; [L176] SORT_7 var_77_arg_1 = var_47; [L177] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L178] SORT_1 var_78_arg_0 = var_76; [L179] SORT_1 var_78_arg_1 = var_77; [L180] SORT_1 var_78 = var_78_arg_0 | var_78_arg_1; [L181] SORT_1 var_79_arg_0 = var_75; [L182] SORT_1 var_79_arg_1 = var_78; [L183] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L184] SORT_1 var_80_arg_0 = var_74; [L185] SORT_1 var_80_arg_1 = var_79; [L186] SORT_1 var_80 = var_80_arg_0 | var_80_arg_1; [L187] SORT_16 var_121_arg_0 = state_23; [L188] SORT_16 var_121_arg_1 = var_17; [L189] SORT_1 var_121 = var_121_arg_0 != var_121_arg_1; [L190] SORT_1 var_122_arg_0 = var_80; [L191] SORT_1 var_122_arg_1 = var_121; [L192] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L193] var_122 = var_122 & mask_SORT_1 [L194] SORT_16 var_120_arg_0 = state_23; [L195] SORT_16 var_120_arg_1 = var_114; [L196] SORT_16 var_120 = var_120_arg_0 - var_120_arg_1; [L197] SORT_1 var_83_arg_0 = var_53; [L198] SORT_1 var_83 = ~var_83_arg_0; [L199] SORT_7 var_85_arg_0 = input_8; [L200] SORT_7 var_85_arg_1 = var_84; [L201] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L202] SORT_1 var_86_arg_0 = var_83; [L203] SORT_1 var_86_arg_1 = var_85; [L204] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L205] SORT_7 var_87_arg_0 = input_8; [L206] SORT_7 var_87_arg_1 = var_58; [L207] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L208] SORT_1 var_88_arg_0 = var_86; [L209] SORT_1 var_88_arg_1 = var_87; [L210] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L211] SORT_7 var_90_arg_0 = input_8; [L212] SORT_7 var_90_arg_1 = var_89; [L213] SORT_1 var_90 = var_90_arg_0 == var_90_arg_1; [L214] SORT_1 var_91_arg_0 = var_88; [L215] SORT_1 var_91_arg_1 = var_90; [L216] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L217] SORT_16 var_117_arg_0 = state_23; [L218] SORT_16 var_117_arg_1 = var_116; [L219] SORT_1 var_117 = var_117_arg_0 != var_117_arg_1; [L220] SORT_1 var_118_arg_0 = var_91; [L221] SORT_1 var_118_arg_1 = var_117; [L222] SORT_1 var_118 = var_118_arg_0 & var_118_arg_1; [L223] var_118 = var_118 & mask_SORT_1 [L224] SORT_16 var_115_arg_0 = state_23; [L225] SORT_16 var_115_arg_1 = var_114; [L226] SORT_16 var_115 = var_115_arg_0 + var_115_arg_1; [L227] SORT_7 var_40_arg_0 = input_8; [L228] SORT_7 var_40_arg_1 = var_39; [L229] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L230] SORT_1 var_113_arg_0 = var_40; [L231] SORT_16 var_113_arg_1 = var_17; [L232] SORT_16 var_113_arg_2 = state_23; [L233] SORT_16 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L234] SORT_1 var_119_arg_0 = var_118; [L235] SORT_16 var_119_arg_1 = var_115; [L236] SORT_16 var_119_arg_2 = var_113; [L237] SORT_16 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L238] SORT_1 var_123_arg_0 = var_122; [L239] SORT_16 var_123_arg_1 = var_120; [L240] SORT_16 var_123_arg_2 = var_119; [L241] SORT_16 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L242] var_123 = var_123 & mask_SORT_16 [L243] SORT_16 next_124_arg_1 = var_123; [L244] SORT_7 var_56_arg_0 = input_8; [L245] SORT_7 var_56_arg_1 = var_55; [L246] SORT_1 var_56 = var_56_arg_0 == var_56_arg_1; [L247] SORT_1 var_57_arg_0 = var_53; [L248] SORT_1 var_57 = ~var_57_arg_0; [L249] SORT_7 var_59_arg_0 = input_8; [L250] SORT_7 var_59_arg_1 = var_58; [L251] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L252] SORT_1 var_60_arg_0 = var_57; [L253] SORT_1 var_60_arg_1 = var_59; [L254] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L255] SORT_1 var_61_arg_0 = var_56; [L256] SORT_1 var_61_arg_1 = var_60; [L257] SORT_1 var_61 = var_61_arg_0 | var_61_arg_1; [L258] SORT_1 var_129_arg_0 = input_10; [L259] SORT_1 var_129 = ~var_129_arg_0; [L260] SORT_1 var_130_arg_0 = var_61; [L261] SORT_1 var_130_arg_1 = var_129; [L262] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L263] var_130 = var_130 & mask_SORT_1 [L264] SORT_7 var_43_arg_0 = input_8; [L265] SORT_7 var_43_arg_1 = var_42; [L266] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L267] SORT_7 var_45_arg_0 = input_8; [L268] SORT_7 var_45_arg_1 = var_44; [L269] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L270] SORT_1 var_46_arg_0 = var_43; [L271] SORT_1 var_46_arg_1 = var_45; [L272] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L273] SORT_7 var_48_arg_0 = input_8; [L274] SORT_7 var_48_arg_1 = var_47; [L275] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L276] SORT_1 var_49_arg_0 = var_46; [L277] SORT_1 var_49_arg_1 = var_48; [L278] SORT_1 var_49 = var_49_arg_0 | var_49_arg_1; [L279] SORT_1 var_50_arg_0 = var_37; [L280] SORT_1 var_50_arg_1 = var_49; [L281] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L282] SORT_1 var_127_arg_0 = var_50; [L283] SORT_1 var_127_arg_1 = input_10; [L284] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L285] var_127 = var_127 & mask_SORT_1 [L286] SORT_5 var_126_arg_0 = state_35; [L287] SORT_5 var_126_arg_1 = var_125; [L288] SORT_5 var_126 = var_126_arg_0 - var_126_arg_1; [L289] SORT_1 var_128_arg_0 = var_127; [L290] SORT_5 var_128_arg_1 = var_126; [L291] SORT_5 var_128_arg_2 = state_35; [L292] SORT_5 var_128 = var_128_arg_0 ? var_128_arg_1 : var_128_arg_2; [L293] SORT_1 var_131_arg_0 = var_130; [L294] SORT_5 var_131_arg_1 = input_6; [L295] SORT_5 var_131_arg_2 = var_128; [L296] SORT_5 var_131 = var_131_arg_0 ? var_131_arg_1 : var_131_arg_2; [L297] var_131 = var_131 & mask_SORT_5 [L298] SORT_5 next_132_arg_1 = var_131; [L300] state_13 = next_111_arg_1 [L301] state_18 = next_112_arg_1 [L302] state_23 = next_124_arg_1 [L303] state_35 = next_132_arg_1 [L91] input_2 = __VERIFIER_nondet_uchar() [L92] input_3 = __VERIFIER_nondet_uchar() [L93] input_4 = __VERIFIER_nondet_uchar() [L94] input_6 = __VERIFIER_nondet_ushort() [L95] input_8 = __VERIFIER_nondet_uchar() [L96] input_8 = input_8 & mask_SORT_7 [L97] input_9 = __VERIFIER_nondet_uchar() [L98] input_10 = __VERIFIER_nondet_uchar() [L99] input_11 = __VERIFIER_nondet_uchar() [L100] input_93 = __VERIFIER_nondet_ushort() [L101] input_95 = __VERIFIER_nondet_ushort() [L102] input_97 = __VERIFIER_nondet_ushort() [L103] input_99 = __VERIFIER_nondet_ushort() [L104] input_101 = __VERIFIER_nondet_ushort() [L105] input_103 = __VERIFIER_nondet_ushort() [L106] input_105 = __VERIFIER_nondet_ushort() [L107] input_107 = __VERIFIER_nondet_ushort() [L108] input_109 = __VERIFIER_nondet_ushort() [L111] SORT_1 var_15_arg_0 = state_13; [L112] SORT_1 var_15_arg_1 = var_12; [L113] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L114] SORT_16 var_21_arg_0 = state_18; [L115] SORT_16 var_21_arg_1 = var_20; [L116] SORT_1 var_21 = var_21_arg_0 != var_21_arg_1; [L117] SORT_1 var_22_arg_0 = var_15; [L118] SORT_1 var_22_arg_1 = var_21; [L119] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L120] SORT_16 var_26_arg_0 = state_23; [L121] SORT_16 var_26_arg_1 = var_25; [L122] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L123] SORT_1 var_27_arg_0 = var_22; [L124] SORT_1 var_27_arg_1 = var_26; [L125] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L126] SORT_1 var_31_arg_0 = var_27; [L127] SORT_1 var_31 = ~var_31_arg_0; [L128] SORT_1 var_32_arg_0 = var_30; [L129] SORT_1 var_32_arg_1 = var_31; [L130] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L131] var_32 = var_32 & mask_SORT_1 [L132] SORT_1 bad_33_arg_0 = var_32; [L133] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND TRUE !(cond) [L20] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 205.5s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 13 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 76 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 198.4s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 122 ConstructedInterpolants, 37 QuantifiedInterpolants, 4246 SizeOfPredicates, 350 NumberOfNonLiveVariables, 3287 ConjunctsInSsa, 333 ConjunctsInUnsatCore, 14 InterpolantComputations, 1 PerfectInterpolantSequences, 0/80 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 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN