./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 16a45ff550c912548b6ea863a62264e11925b5b01e108e129370b7b6a2adee8d --- 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-e04fb08 [2022-11-16 12:50:16,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:50:16,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:50:16,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:50:16,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:50:16,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:50:16,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:50:16,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:50:16,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:50:16,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:50:16,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:50:16,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:50:16,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:50:16,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:50:16,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:50:16,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:50:16,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:50:16,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:50:16,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:50:16,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:50:16,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:50:16,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:50:16,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:50:16,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:50:16,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:50:16,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:50:16,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:50:16,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:50:16,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:50:16,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:50:16,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:50:16,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:50:16,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:50:16,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:50:16,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:50:16,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:50:16,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:50:16,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:50:16,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:50:16,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:50:16,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:50:16,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:50:16,519 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:50:16,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:50:16,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:50:16,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:50:16,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:50:16,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:50:16,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:50:16,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:50:16,523 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:50:16,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:50:16,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:50:16,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:50:16,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:50:16,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:50:16,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:50:16,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:50:16,527 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:50:16,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:50:16,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:50:16,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:50:16,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:50:16,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:50:16,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:50:16,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:50:16,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:50:16,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:50:16,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:50:16,531 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:50:16,531 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:50:16,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:50:16,532 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_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a45ff550c912548b6ea863a62264e11925b5b01e108e129370b7b6a2adee8d [2022-11-16 12:50:16,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:50:16,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:50:16,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:50:16,964 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:50:16,965 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:50:16,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-func-interl.c [2022-11-16 12:50:17,062 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/data/6a341d905/9a933608c0704515b8d6c76bad6c9009/FLAG14943b5d5 [2022-11-16 12:50:17,824 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:50:17,825 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-func-interl.c [2022-11-16 12:50:17,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/data/6a341d905/9a933608c0704515b8d6c76bad6c9009/FLAG14943b5d5 [2022-11-16 12:50:18,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/data/6a341d905/9a933608c0704515b8d6c76bad6c9009 [2022-11-16 12:50:18,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:50:18,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:50:18,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:50:18,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:50:18,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:50:18,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:50:18" (1/1) ... [2022-11-16 12:50:18,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203d41f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:18, skipping insertion in model container [2022-11-16 12:50:18,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:50:18" (1/1) ... [2022-11-16 12:50:18,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:50:18,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:50:18,468 WARN L229 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_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-func-interl.c[1014,1027] [2022-11-16 12:50:18,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:50:18,784 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:50:18,811 WARN L229 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_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-func-interl.c[1014,1027] [2022-11-16 12:50:18,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:50:19,009 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:50:19,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:19 WrapperNode [2022-11-16 12:50:19,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:50:19,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:50:19,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:50:19,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:50:19,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:19" (1/1) ... [2022-11-16 12:50:19,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:19" (1/1) ... [2022-11-16 12:50:19,170 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1704 [2022-11-16 12:50:19,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:50:19,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:50:19,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:50:19,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:50:19,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:19" (1/1) ... [2022-11-16 12:50:19,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:19" (1/1) ... [2022-11-16 12:50:19,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:19" (1/1) ... [2022-11-16 12:50:19,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:19" (1/1) ... [2022-11-16 12:50:19,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:19" (1/1) ... [2022-11-16 12:50:19,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:19" (1/1) ... [2022-11-16 12:50:19,326 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:19" (1/1) ... [2022-11-16 12:50:19,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:19" (1/1) ... [2022-11-16 12:50:19,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:50:19,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:50:19,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:50:19,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:50:19,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:19" (1/1) ... [2022-11-16 12:50:19,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:50:19,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:50:19,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:50:19,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:50:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:50:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:50:19,909 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:50:19,911 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:50:22,171 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:50:22,195 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:50:22,196 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:50:22,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:22 BoogieIcfgContainer [2022-11-16 12:50:22,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:50:22,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:50:22,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:50:22,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:50:22,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:50:18" (1/3) ... [2022-11-16 12:50:22,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1b981c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:50:22, skipping insertion in model container [2022-11-16 12:50:22,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:19" (2/3) ... [2022-11-16 12:50:22,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1b981c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:50:22, skipping insertion in model container [2022-11-16 12:50:22,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:22" (3/3) ... [2022-11-16 12:50:22,214 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bakery.2.prop1-func-interl.c [2022-11-16 12:50:22,237 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:50:22,237 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:50:22,342 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:50:22,352 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=PETRI_NET, 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;@6b392c93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:50:22,352 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:50:22,366 INFO L276 IsEmpty]: Start isEmpty. Operand has 290 states, 288 states have (on average 1.6597222222222223) internal successors, (478), 289 states have internal predecessors, (478), 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) [2022-11-16 12:50:22,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 12:50:22,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:50:22,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:22,378 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:50:22,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:22,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1757961959, now seen corresponding path program 1 times [2022-11-16 12:50:22,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:22,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273956531] [2022-11-16 12:50:22,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:22,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:23,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:50:23,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:50:23,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273956531] [2022-11-16 12:50:23,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273956531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:50:23,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:50:23,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:50:23,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928893435] [2022-11-16 12:50:23,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:50:23,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:50:23,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:50:23,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:50:23,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:50:23,147 INFO L87 Difference]: Start difference. First operand has 290 states, 288 states have (on average 1.6597222222222223) internal successors, (478), 289 states have internal predecessors, (478), 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 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-16 12:50:23,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:50:23,404 INFO L93 Difference]: Finished difference Result 904 states and 1502 transitions. [2022-11-16 12:50:23,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:50:23,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 37 [2022-11-16 12:50:23,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:50:23,436 INFO L225 Difference]: With dead ends: 904 [2022-11-16 12:50:23,436 INFO L226 Difference]: Without dead ends: 616 [2022-11-16 12:50:23,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:50:23,449 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 1392 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1392 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:50:23,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1392 Valid, 1173 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:50:23,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2022-11-16 12:50:23,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 288. [2022-11-16 12:50:23,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 1.651567944250871) internal successors, (474), 287 states have internal predecessors, (474), 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) [2022-11-16 12:50:23,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 474 transitions. [2022-11-16 12:50:23,545 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 474 transitions. Word has length 37 [2022-11-16 12:50:23,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:50:23,546 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 474 transitions. [2022-11-16 12:50:23,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-16 12:50:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 474 transitions. [2022-11-16 12:50:23,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-16 12:50:23,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:50:23,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:23,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:50:23,552 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:50:23,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:23,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1339479259, now seen corresponding path program 1 times [2022-11-16 12:50:23,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:23,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864430760] [2022-11-16 12:50:23,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:23,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:50:23,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:50:23,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864430760] [2022-11-16 12:50:23,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864430760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:50:23,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:50:23,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:50:23,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673197597] [2022-11-16 12:50:23,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:50:23,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:50:23,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:50:23,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:50:23,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:50:23,734 INFO L87 Difference]: Start difference. First operand 288 states and 474 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2022-11-16 12:50:23,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:50:23,817 INFO L93 Difference]: Finished difference Result 1135 states and 1876 transitions. [2022-11-16 12:50:23,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:50:23,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 38 [2022-11-16 12:50:23,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:50:23,822 INFO L225 Difference]: With dead ends: 1135 [2022-11-16 12:50:23,823 INFO L226 Difference]: Without dead ends: 849 [2022-11-16 12:50:23,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:50:23,826 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 1380 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1380 SdHoareTripleChecker+Valid, 1543 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:50:23,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1380 Valid, 1543 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:50:23,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2022-11-16 12:50:23,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 293. [2022-11-16 12:50:23,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 292 states have (on average 1.6472602739726028) internal successors, (481), 292 states have internal predecessors, (481), 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) [2022-11-16 12:50:23,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 481 transitions. [2022-11-16 12:50:23,849 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 481 transitions. Word has length 38 [2022-11-16 12:50:23,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:50:23,850 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 481 transitions. [2022-11-16 12:50:23,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2022-11-16 12:50:23,850 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 481 transitions. [2022-11-16 12:50:23,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-16 12:50:23,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:50:23,852 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:23,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:50:23,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:50:23,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:23,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1318965519, now seen corresponding path program 1 times [2022-11-16 12:50:23,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:23,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464254126] [2022-11-16 12:50:23,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:23,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:50:24,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:50:24,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464254126] [2022-11-16 12:50:24,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464254126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:50:24,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:50:24,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:50:24,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039402833] [2022-11-16 12:50:24,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:50:24,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:50:24,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:50:24,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:50:24,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:50:24,152 INFO L87 Difference]: Start difference. First operand 293 states and 481 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:50:24,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:50:24,241 INFO L93 Difference]: Finished difference Result 1150 states and 1895 transitions. [2022-11-16 12:50:24,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:50:24,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-11-16 12:50:24,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:50:24,246 INFO L225 Difference]: With dead ends: 1150 [2022-11-16 12:50:24,246 INFO L226 Difference]: Without dead ends: 859 [2022-11-16 12:50:24,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:50:24,249 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 1382 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1382 SdHoareTripleChecker+Valid, 1543 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:50:24,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1382 Valid, 1543 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:50:24,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2022-11-16 12:50:24,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 293. [2022-11-16 12:50:24,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 292 states have (on average 1.6472602739726028) internal successors, (481), 292 states have internal predecessors, (481), 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) [2022-11-16 12:50:24,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 481 transitions. [2022-11-16 12:50:24,269 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 481 transitions. Word has length 39 [2022-11-16 12:50:24,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:50:24,270 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 481 transitions. [2022-11-16 12:50:24,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:50:24,270 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 481 transitions. [2022-11-16 12:50:24,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 12:50:24,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:50:24,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:24,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:50:24,273 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:50:24,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:24,273 INFO L85 PathProgramCache]: Analyzing trace with hash 2022793151, now seen corresponding path program 1 times [2022-11-16 12:50:24,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:24,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289644516] [2022-11-16 12:50:24,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:24,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:24,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:24,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:50:24,471 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:50:24,473 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:50:24,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:50:24,483 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-16 12:50:24,487 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:50:24,599 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:50:24,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:50:24 BoogieIcfgContainer [2022-11-16 12:50:24,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:50:24,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:50:24,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:50:24,630 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:50:24,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:22" (3/4) ... [2022-11-16 12:50:24,634 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:50:24,634 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:50:24,637 INFO L158 Benchmark]: Toolchain (without parser) took 6584.80ms. Allocated memory was 119.5MB in the beginning and 251.7MB in the end (delta: 132.1MB). Free memory was 79.9MB in the beginning and 151.5MB in the end (delta: -71.7MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2022-11-16 12:50:24,638 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 119.5MB. Free memory was 98.6MB in the beginning and 98.6MB in the end (delta: 68.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:50:24,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 954.09ms. Allocated memory is still 119.5MB. Free memory was 79.7MB in the beginning and 65.6MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:50:24,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 160.15ms. Allocated memory is still 119.5MB. Free memory was 65.6MB in the beginning and 50.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 12:50:24,649 INFO L158 Benchmark]: Boogie Preprocessor took 182.97ms. Allocated memory is still 119.5MB. Free memory was 50.3MB in the beginning and 82.9MB in the end (delta: -32.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-11-16 12:50:24,650 INFO L158 Benchmark]: RCFGBuilder took 2845.16ms. Allocated memory was 119.5MB in the beginning and 190.8MB in the end (delta: 71.3MB). Free memory was 82.9MB in the beginning and 58.8MB in the end (delta: 24.1MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. [2022-11-16 12:50:24,653 INFO L158 Benchmark]: TraceAbstraction took 2424.62ms. Allocated memory was 190.8MB in the beginning and 251.7MB in the end (delta: 60.8MB). Free memory was 58.8MB in the beginning and 152.6MB in the end (delta: -93.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:50:24,653 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 251.7MB. Free memory was 152.6MB in the beginning and 151.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:50:24,662 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 119.5MB. Free memory was 98.6MB in the beginning and 98.6MB in the end (delta: 68.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 954.09ms. Allocated memory is still 119.5MB. Free memory was 79.7MB in the beginning and 65.6MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 160.15ms. Allocated memory is still 119.5MB. Free memory was 65.6MB in the beginning and 50.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 182.97ms. Allocated memory is still 119.5MB. Free memory was 50.3MB in the beginning and 82.9MB in the end (delta: -32.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2845.16ms. Allocated memory was 119.5MB in the beginning and 190.8MB in the end (delta: 71.3MB). Free memory was 82.9MB in the beginning and 58.8MB in the end (delta: 24.1MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2424.62ms. Allocated memory was 190.8MB in the beginning and 251.7MB in the end (delta: 60.8MB). Free memory was 58.8MB in the beginning and 152.6MB in the end (delta: -93.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 251.7MB. Free memory was 152.6MB in the beginning and 151.5MB 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: overapproximation of bitwiseComplement at line 172, overapproximation of bitwiseAnd at line 174. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L31] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L34] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L35] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L37] const SORT_2 var_5 = 0; [L38] const SORT_1 var_22 = 0; [L39] const SORT_4 var_45 = 1; [L40] const SORT_4 var_46 = 0; [L41] const SORT_2 var_54 = 0; [L42] const SORT_2 var_56 = 1; [L43] const SORT_3 var_66 = 0; [L44] const SORT_4 var_153 = 2; [L45] const SORT_2 var_165 = 2; [L46] const SORT_4 var_167 = 6; [L48] SORT_1 input_53; [L49] SORT_1 input_55; [L50] SORT_1 input_60; [L51] SORT_1 input_61; [L52] SORT_1 input_65; [L53] SORT_1 input_73; [L54] SORT_1 input_80; [L55] SORT_1 input_84; [L56] SORT_1 input_85; [L57] SORT_1 input_97; [L58] SORT_1 input_101; [L59] SORT_1 input_102; [L60] SORT_1 input_121; [L61] SORT_1 input_124; [L62] SORT_1 input_140; [L63] SORT_1 input_143; [L65] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L66] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L67] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L68] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L69] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L70] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L71] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L72] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] SORT_2 init_7_arg_1 = var_5; [L86] state_6 = init_7_arg_1 [L87] SORT_2 init_9_arg_1 = var_5; [L88] state_8 = init_9_arg_1 [L89] SORT_2 init_11_arg_1 = var_5; [L90] state_10 = init_11_arg_1 [L91] SORT_2 init_13_arg_1 = var_5; [L92] state_12 = init_13_arg_1 [L93] SORT_2 init_15_arg_1 = var_5; [L94] state_14 = init_15_arg_1 [L95] SORT_2 init_17_arg_1 = var_5; [L96] state_16 = init_17_arg_1 [L97] SORT_2 init_19_arg_1 = var_5; [L98] state_18 = init_19_arg_1 [L99] SORT_2 init_21_arg_1 = var_5; [L100] state_20 = init_21_arg_1 [L101] SORT_1 init_24_arg_1 = var_22; [L102] state_23 = init_24_arg_1 [L103] SORT_1 init_26_arg_1 = var_22; [L104] state_25 = init_26_arg_1 [L105] SORT_1 init_28_arg_1 = var_22; [L106] state_27 = init_28_arg_1 [L107] SORT_1 init_30_arg_1 = var_22; [L108] state_29 = init_30_arg_1 [L109] SORT_1 init_32_arg_1 = var_22; [L110] state_31 = init_32_arg_1 [L111] SORT_1 init_34_arg_1 = var_22; [L112] state_33 = init_34_arg_1 [L113] SORT_1 init_36_arg_1 = var_22; [L114] state_35 = init_36_arg_1 [L115] SORT_1 init_38_arg_1 = var_22; [L116] state_37 = init_38_arg_1 [L117] SORT_1 init_40_arg_1 = var_22; [L118] state_39 = init_40_arg_1 [L119] SORT_1 init_42_arg_1 = var_22; [L120] state_41 = init_42_arg_1 [L121] SORT_1 init_44_arg_1 = var_22; [L122] state_43 = init_44_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_5=0, var_54=0, var_56=1, var_66=0] [L125] input_53 = __VERIFIER_nondet_uchar() [L126] input_53 = input_53 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_53=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_5=0, var_54=0, var_56=1, var_66=0] [L127] input_55 = __VERIFIER_nondet_uchar() [L128] input_55 = input_55 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_53=0, input_55=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_5=0, var_54=0, var_56=1, var_66=0] [L129] input_60 = __VERIFIER_nondet_uchar() [L130] input_60 = input_60 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_53=0, input_55=0, input_60=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_5=0, var_54=0, var_56=1, var_66=0] [L131] input_61 = __VERIFIER_nondet_uchar() [L132] input_61 = input_61 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_53=0, input_55=0, input_60=0, input_61=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_5=0, var_54=0, var_56=1, var_66=0] [L133] input_65 = __VERIFIER_nondet_uchar() [L134] input_65 = input_65 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_5=0, var_54=0, var_56=1, var_66=0] [L135] input_73 = __VERIFIER_nondet_uchar() [L136] input_73 = input_73 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_5=0, var_54=0, var_56=1, var_66=0] [L137] input_80 = __VERIFIER_nondet_uchar() [L138] input_80 = input_80 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, input_80=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_5=0, var_54=0, var_56=1, var_66=0] [L139] input_84 = __VERIFIER_nondet_uchar() [L140] input_84 = input_84 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, input_80=0, input_84=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_5=0, var_54=0, var_56=1, var_66=0] [L141] input_85 = __VERIFIER_nondet_uchar() [L142] input_85 = input_85 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, input_80=0, input_84=0, input_85=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_5=0, var_54=0, var_56=1, var_66=0] [L143] input_97 = __VERIFIER_nondet_uchar() [L144] input_97 = input_97 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, input_80=0, input_84=0, input_85=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_5=0, var_54=0, var_56=1, var_66=0] [L145] input_101 = __VERIFIER_nondet_uchar() [L146] input_101 = input_101 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_101=0, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, input_80=0, input_84=0, input_85=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_5=0, var_54=0, var_56=1, var_66=0] [L147] input_102 = __VERIFIER_nondet_uchar() [L148] input_102 = input_102 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_101=0, input_102=0, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, input_80=0, input_84=0, input_85=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_5=0, var_54=0, var_56=1, var_66=0] [L149] input_121 = __VERIFIER_nondet_uchar() [L150] input_124 = __VERIFIER_nondet_uchar() [L151] input_140 = __VERIFIER_nondet_uchar() [L152] input_143 = __VERIFIER_nondet_uchar() [L155] SORT_1 var_47_arg_0 = state_31; [L156] SORT_4 var_47_arg_1 = var_45; [L157] SORT_4 var_47_arg_2 = var_46; [L158] SORT_4 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L159] SORT_1 var_48_arg_0 = state_41; [L160] SORT_4 var_48_arg_1 = var_45; [L161] SORT_4 var_48_arg_2 = var_46; [L162] SORT_4 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L163] SORT_4 var_49_arg_0 = var_47; [L164] SORT_4 var_49_arg_1 = var_48; [L165] SORT_4 var_49 = var_49_arg_0 + var_49_arg_1; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_101=0, input_102=0, input_121=3, input_124=2, input_140=4, input_143=5, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, input_80=0, input_84=0, input_85=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_47=0, var_47_arg_0=0, var_47_arg_1=1, var_47_arg_2=0, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_5=0, var_54=0, var_56=1, var_66=0] [L166] var_49 = var_49 & mask_SORT_4 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_101=0, input_102=0, input_121=3, input_124=2, input_140=4, input_143=5, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, input_80=0, input_84=0, input_85=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_47=0, var_47_arg_0=0, var_47_arg_1=1, var_47_arg_2=0, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_5=0, var_54=0, var_56=1, var_66=0] [L167] SORT_4 var_50_arg_0 = var_49; [L168] SORT_4 var_50_arg_1 = var_45; [L169] SORT_1 var_50 = var_50_arg_0 <= var_50_arg_1; [L170] SORT_1 var_51_arg_0 = ~state_43; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_101=0, input_102=0, input_121=3, input_124=2, input_140=4, input_143=5, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, input_80=0, input_84=0, input_85=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_47=0, var_47_arg_0=0, var_47_arg_1=1, var_47_arg_2=0, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_5=0, var_50=1, var_50_arg_0=0, var_50_arg_1=1, var_54=0, var_56=1, var_66=0] [L171] var_51_arg_0 = var_51_arg_0 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_101=0, input_102=0, input_121=3, input_124=2, input_140=4, input_143=5, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, input_80=0, input_84=0, input_85=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_47=0, var_47_arg_0=0, var_47_arg_1=1, var_47_arg_2=0, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_5=0, var_50=1, var_50_arg_0=0, var_50_arg_1=1, var_51_arg_0=1, var_54=0, var_56=1, var_66=0] [L172] SORT_1 var_51_arg_1 = ~var_50; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_101=0, input_102=0, input_121=3, input_124=2, input_140=4, input_143=5, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, input_80=0, input_84=0, input_85=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_47=0, var_47_arg_0=0, var_47_arg_1=1, var_47_arg_2=0, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_5=0, var_50=1, var_50_arg_0=0, var_50_arg_1=1, var_51_arg_0=1, var_54=0, var_56=1, var_66=0] [L173] var_51_arg_1 = var_51_arg_1 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_101=0, input_102=0, input_121=3, input_124=2, input_140=4, input_143=5, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, input_80=0, input_84=0, input_85=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_47=0, var_47_arg_0=0, var_47_arg_1=1, var_47_arg_2=0, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_5=0, var_50=1, var_50_arg_0=0, var_50_arg_1=1, var_51_arg_0=1, var_51_arg_1=1, var_54=0, var_56=1, var_66=0] [L174] SORT_1 var_51 = var_51_arg_0 & var_51_arg_1; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_101=0, input_102=0, input_121=3, input_124=2, input_140=4, input_143=5, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, input_80=0, input_84=0, input_85=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_47=0, var_47_arg_0=0, var_47_arg_1=1, var_47_arg_2=0, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_5=0, var_50=1, var_50_arg_0=0, var_50_arg_1=1, var_51=1, var_51_arg_0=1, var_51_arg_1=1, var_54=0, var_56=1, var_66=0] [L175] var_51 = var_51 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_101=0, input_102=0, input_121=3, input_124=2, input_140=4, input_143=5, input_53=0, input_55=0, input_60=0, input_61=0, input_65=0, input_73=0, input_80=0, input_84=0, input_85=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_153=2, var_165=2, var_167=6, var_22=0, var_45=1, var_46=0, var_47=0, var_47_arg_0=0, var_47_arg_1=1, var_47_arg_2=0, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_5=0, var_50=1, var_50_arg_0=0, var_50_arg_1=1, var_51=1, var_51_arg_0=1, var_51_arg_1=1, var_54=0, var_56=1, var_66=0] [L176] SORT_1 bad_52_arg_0 = var_51; [L177] CALL __VERIFIER_assert(!(bad_52_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, 290 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4154 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4154 mSDsluCounter, 4259 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2621 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1638 mSDtfsCounter, 63 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=293occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 1450 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [2022-11-16 12:50:24,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 16a45ff550c912548b6ea863a62264e11925b5b01e108e129370b7b6a2adee8d --- 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-e04fb08 [2022-11-16 12:50:27,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:50:27,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:50:27,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:50:27,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:50:27,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:50:27,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:50:27,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:50:27,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:50:27,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:50:27,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:50:27,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:50:27,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:50:27,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:50:27,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:50:27,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:50:27,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:50:27,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:50:27,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:50:27,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:50:27,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:50:27,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:50:27,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:50:27,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:50:27,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:50:27,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:50:27,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:50:27,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:50:27,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:50:27,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:50:27,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:50:27,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:50:27,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:50:27,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:50:27,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:50:27,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:50:27,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:50:27,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:50:27,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:50:27,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:50:27,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:50:27,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 12:50:27,472 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:50:27,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:50:27,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:50:27,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:50:27,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:50:27,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:50:27,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:50:27,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:50:27,476 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:50:27,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:50:27,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:50:27,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:50:27,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:50:27,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:50:27,477 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:50:27,478 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 12:50:27,478 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 12:50:27,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:50:27,478 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:50:27,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:50:27,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:50:27,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:50:27,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:50:27,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:50:27,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:50:27,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:50:27,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:50:27,481 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 12:50:27,481 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 12:50:27,481 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:50:27,481 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:50:27,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:50:27,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 12:50:27,482 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_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a45ff550c912548b6ea863a62264e11925b5b01e108e129370b7b6a2adee8d [2022-11-16 12:50:27,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:50:27,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:50:27,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:50:27,954 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:50:27,957 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:50:27,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-func-interl.c [2022-11-16 12:50:28,052 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/data/fe5d3c619/05ac3450a494462b9bce9f161c780cda/FLAG8ed8ff760 [2022-11-16 12:50:28,885 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:50:28,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-func-interl.c [2022-11-16 12:50:28,907 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/data/fe5d3c619/05ac3450a494462b9bce9f161c780cda/FLAG8ed8ff760 [2022-11-16 12:50:29,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/data/fe5d3c619/05ac3450a494462b9bce9f161c780cda [2022-11-16 12:50:29,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:50:29,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:50:29,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:50:29,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:50:29,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:50:29,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:50:29" (1/1) ... [2022-11-16 12:50:29,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60797b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:29, skipping insertion in model container [2022-11-16 12:50:29,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:50:29" (1/1) ... [2022-11-16 12:50:29,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:50:29,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:50:29,382 WARN L229 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_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-func-interl.c[1014,1027] [2022-11-16 12:50:29,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:50:29,767 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:50:29,781 WARN L229 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_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-func-interl.c[1014,1027] [2022-11-16 12:50:29,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:50:29,905 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:50:29,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:29 WrapperNode [2022-11-16 12:50:29,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:50:29,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:50:29,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:50:29,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:50:29,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:29" (1/1) ... [2022-11-16 12:50:29,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:29" (1/1) ... [2022-11-16 12:50:30,021 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1053 [2022-11-16 12:50:30,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:50:30,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:50:30,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:50:30,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:50:30,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:29" (1/1) ... [2022-11-16 12:50:30,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:29" (1/1) ... [2022-11-16 12:50:30,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:29" (1/1) ... [2022-11-16 12:50:30,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:29" (1/1) ... [2022-11-16 12:50:30,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:29" (1/1) ... [2022-11-16 12:50:30,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:29" (1/1) ... [2022-11-16 12:50:30,104 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:29" (1/1) ... [2022-11-16 12:50:30,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:29" (1/1) ... [2022-11-16 12:50:30,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:50:30,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:50:30,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:50:30,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:50:30,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:29" (1/1) ... [2022-11-16 12:50:30,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:50:30,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:50:30,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:50:30,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:50:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:50:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:50:30,693 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:50:30,695 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:50:32,659 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:50:32,668 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:50:32,668 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:50:32,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:32 BoogieIcfgContainer [2022-11-16 12:50:32,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:50:32,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:50:32,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:50:32,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:50:32,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:50:29" (1/3) ... [2022-11-16 12:50:32,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f2a0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:50:32, skipping insertion in model container [2022-11-16 12:50:32,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:29" (2/3) ... [2022-11-16 12:50:32,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f2a0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:50:32, skipping insertion in model container [2022-11-16 12:50:32,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:32" (3/3) ... [2022-11-16 12:50:32,683 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bakery.2.prop1-func-interl.c [2022-11-16 12:50:32,706 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:50:32,706 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:50:32,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:50:32,773 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=PETRI_NET, 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;@93dbe51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:50:32,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:50:32,779 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) [2022-11-16 12:50:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 12:50:32,786 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:50:32,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 12:50:32,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:50:32,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:32,794 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 12:50:32,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:50:32,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1583710295] [2022-11-16 12:50:32,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:32,811 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 [2022-11-16 12:50:32,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:50:32,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:50:32,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:50:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:33,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-16 12:50:33,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:50:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:50:33,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:50:33,471 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:50:33,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1583710295] [2022-11-16 12:50:33,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1583710295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:50:33,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:50:33,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:50:33,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508424127] [2022-11-16 12:50:33,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:50:33,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:50:33,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:50:33,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:50:33,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:50:33,529 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) [2022-11-16 12:50:33,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:50:33,822 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 12:50:33,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:50:33,830 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 [2022-11-16 12:50:33,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:50:33,840 INFO L225 Difference]: With dead ends: 20 [2022-11-16 12:50:33,840 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 12:50:33,843 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 [2022-11-16 12:50:33,847 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:50:33,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:50:33,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 12:50:33,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 12:50:33,890 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) [2022-11-16 12:50:33,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 12:50:33,893 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 12:50:33,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:50:33,893 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 12:50:33,893 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) [2022-11-16 12:50:33,894 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 12:50:33,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 12:50:33,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:50:33,894 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:33,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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)] Ended with exit code 0 [2022-11-16 12:50:34,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:50:34,113 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:50:34,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:34,114 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 12:50:34,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:50:34,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214434925] [2022-11-16 12:50:34,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:34,117 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 [2022-11-16 12:50:34,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:50:34,119 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:50:34,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:50:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:34,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 91 conjunts are in the unsatisfiable core [2022-11-16 12:50:34,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:50:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:50:35,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:51:00,835 WARN L233 SmtUtils]: Spent 23.18s on a formula simplification that was a NOOP. DAG size: 250 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 12:51:01,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:51:01,701 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:51:01,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [214434925] [2022-11-16 12:51:01,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [214434925] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:51:01,707 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:51:01,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 12:51:01,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326038993] [2022-11-16 12:51:01,708 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:51:01,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:51:01,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:51:01,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:51:01,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:51:01,714 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-16 12:51:02,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:51:02,205 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 12:51:02,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:51:02,206 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 [2022-11-16 12:51:02,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:51:02,207 INFO L225 Difference]: With dead ends: 16 [2022-11-16 12:51:02,207 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 12:51:02,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 24.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:51:02,210 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 7 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:51:02,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 19 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 11 Unchecked, 0.2s Time] [2022-11-16 12:51:02,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 12:51:02,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 12:51:02,224 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) [2022-11-16 12:51:02,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 12:51:02,225 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 12:51:02,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:51:02,228 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 12:51:02,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-16 12:51:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 12:51:02,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 12:51:02,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:51:02,236 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 12:51:02,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:51:02,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:51:02,457 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:51:02,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:51:02,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 12:51:02,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:51:02,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509452138] [2022-11-16 12:51:02,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:51:02,462 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 [2022-11-16 12:51:02,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:51:02,465 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:51:02,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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 (4)] Waiting until timeout for monitored process [2022-11-16 12:51:03,506 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:51:03,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:51:03,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 1743 conjuncts, 217 conjunts are in the unsatisfiable core [2022-11-16 12:51:03,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:51:10,185 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:51:10,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:51:49,898 WARN L233 SmtUtils]: Spent 37.08s on a formula simplification that was a NOOP. DAG size: 218 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 12:54:26,137 WARN L233 SmtUtils]: Spent 2.34m on a formula simplification that was a NOOP. DAG size: 1435 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 12:54:31,165 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:54:31,165 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:54:31,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509452138] [2022-11-16 12:54:31,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509452138] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:54:31,166 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:54:31,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-16 12:54:31,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481891514] [2022-11-16 12:54:31,166 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:54:31,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:54:31,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:54:31,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:54:31,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=64, Unknown=2, NotChecked=0, Total=90 [2022-11-16 12:54:31,169 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 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) [2022-11-16 12:54:37,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:54:37,577 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-16 12:54:37,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:54:37,578 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 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 11 [2022-11-16 12:54:37,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:54:37,579 INFO L225 Difference]: With dead ends: 19 [2022-11-16 12:54:37,579 INFO L226 Difference]: Without dead ends: 17 [2022-11-16 12:54:37,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 200.7s TimeCoverageRelationStatistics Valid=46, Invalid=106, Unknown=4, NotChecked=0, Total=156 [2022-11-16 12:54:37,581 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 7 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:54:37,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 31 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 20 Unchecked, 0.4s Time] [2022-11-16 12:54:37,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-16 12:54:37,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-16 12:54:37,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:54:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-16 12:54:37,592 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-16 12:54:37,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:54:37,592 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-16 12:54:37,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 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) [2022-11-16 12:54:37,593 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-16 12:54:37,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 12:54:37,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:54:37,594 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-16 12:54:37,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:54:37,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:54:37,819 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:54:37,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:54:37,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-16 12:54:37,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:54:37,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [298845320] [2022-11-16 12:54:37,825 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 12:54:37,825 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 [2022-11-16 12:54:37,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:54:37,826 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:54:37,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51a8cde-5fa7-4dc2-81ef-a0c81a3fade1/bin/uautomizer-tPACEb0tL8/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)] Waiting until timeout for monitored process [2022-11-16 12:54:39,166 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-16 12:54:39,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:54:39,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 2566 conjuncts, 339 conjunts are in the unsatisfiable core [2022-11-16 12:54:39,246 INFO L286 TraceCheckSpWp]: Computing forward predicates...