./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label43.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label43.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f9a2bb925f9caeb1a81a9f8632446ab7e4aa4c35 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:14,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:14,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:14,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:14,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:14,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:14,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:14,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:14,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:14,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:14,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:14,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:14,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:14,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:14,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:14,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:14,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:14,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:14,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:14,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:14,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:14,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:14,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:14,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:14,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:14,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:14,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:14,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:14,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:14,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:14,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:14,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:14,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:14,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:14,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:14,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:14,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:14,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:14,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:14,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:14,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:14,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:14,811 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:14,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:14,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:14,813 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:14,814 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:14,814 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:14,814 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:14,814 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:14,821 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:14,822 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:14,823 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:14,823 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:14,824 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:14,824 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:14,824 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:14,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:14,826 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:14,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:14,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:14,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:14,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:14,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:14,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:14,828 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:14,828 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:14,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:14,829 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:14,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:14,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:14,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:14,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:14,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:14,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:14,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:14,833 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:14,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:14,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:14,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:14,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:14,835 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9a2bb925f9caeb1a81a9f8632446ab7e4aa4c35 [2021-10-11 02:28:15,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:15,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:15,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:15,142 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:15,143 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:15,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/eca-rers2012/Problem02_label43.c [2021-10-11 02:28:15,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI/data/d3c8afa29/b185f1b2eb294887accc7d19a203377b/FLAGc64d69bd6 [2021-10-11 02:28:15,906 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:15,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/sv-benchmarks/c/eca-rers2012/Problem02_label43.c [2021-10-11 02:28:15,929 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI/data/d3c8afa29/b185f1b2eb294887accc7d19a203377b/FLAGc64d69bd6 [2021-10-11 02:28:16,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI/data/d3c8afa29/b185f1b2eb294887accc7d19a203377b [2021-10-11 02:28:16,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:16,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:16,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:16,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:16,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:16,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6099286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16, skipping insertion in model container [2021-10-11 02:28:16,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:16,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:16,571 WARN L226 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_31f17632-f05c-4a3c-b50e-6b88575e68af/sv-benchmarks/c/eca-rers2012/Problem02_label43.c[15084,15097] [2021-10-11 02:28:16,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:16,663 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:16,778 WARN L226 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_31f17632-f05c-4a3c-b50e-6b88575e68af/sv-benchmarks/c/eca-rers2012/Problem02_label43.c[15084,15097] [2021-10-11 02:28:16,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:16,825 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:16,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16 WrapperNode [2021-10-11 02:28:16,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:16,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:16,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:16,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:16,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:16,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:16,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:16,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:16,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:17,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:17,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:17,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:17,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:17,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:17,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:28:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:19,162 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:19,163 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 02:28:19,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:19 BoogieIcfgContainer [2021-10-11 02:28:19,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:19,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:19,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:19,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:19,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:16" (1/3) ... [2021-10-11 02:28:19,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719017d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:19, skipping insertion in model container [2021-10-11 02:28:19,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (2/3) ... [2021-10-11 02:28:19,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719017d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:19, skipping insertion in model container [2021-10-11 02:28:19,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:19" (3/3) ... [2021-10-11 02:28:19,180 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label43.c [2021-10-11 02:28:19,196 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:19,200 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:28:19,213 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:28:19,247 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:19,247 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:19,247 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:19,247 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:19,248 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:19,248 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:19,248 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:19,248 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:19,263 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2021-10-11 02:28:19,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-11 02:28:19,271 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:19,272 INFO L422 BasicCegarLoop]: 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, 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] [2021-10-11 02:28:19,272 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:19,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:19,278 INFO L82 PathProgramCache]: Analyzing trace with hash 925915820, now seen corresponding path program 1 times [2021-10-11 02:28:19,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:19,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473155374] [2021-10-11 02:28:19,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:19,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:19,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473155374] [2021-10-11 02:28:19,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:19,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:19,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663040636] [2021-10-11 02:28:19,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:19,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:19,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:19,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:19,809 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 3 states. [2021-10-11 02:28:20,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:20,379 INFO L93 Difference]: Finished difference Result 251 states and 482 transitions. [2021-10-11 02:28:20,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:20,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2021-10-11 02:28:20,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:20,394 INFO L225 Difference]: With dead ends: 251 [2021-10-11 02:28:20,395 INFO L226 Difference]: Without dead ends: 163 [2021-10-11 02:28:20,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:20,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-10-11 02:28:20,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2021-10-11 02:28:20,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2021-10-11 02:28:20,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 298 transitions. [2021-10-11 02:28:20,452 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 298 transitions. Word has length 80 [2021-10-11 02:28:20,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:20,453 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 298 transitions. [2021-10-11 02:28:20,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:20,453 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 298 transitions. [2021-10-11 02:28:20,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-11 02:28:20,457 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:20,458 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 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] [2021-10-11 02:28:20,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:28:20,458 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:20,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:20,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1028636577, now seen corresponding path program 1 times [2021-10-11 02:28:20,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:20,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681084369] [2021-10-11 02:28:20,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:20,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681084369] [2021-10-11 02:28:20,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:20,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:20,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861540719] [2021-10-11 02:28:20,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:20,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:20,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:20,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:20,537 INFO L87 Difference]: Start difference. First operand 163 states and 298 transitions. Second operand 3 states. [2021-10-11 02:28:21,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:21,037 INFO L93 Difference]: Finished difference Result 485 states and 891 transitions. [2021-10-11 02:28:21,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:21,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2021-10-11 02:28:21,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:21,041 INFO L225 Difference]: With dead ends: 485 [2021-10-11 02:28:21,041 INFO L226 Difference]: Without dead ends: 323 [2021-10-11 02:28:21,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:21,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-10-11 02:28:21,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2021-10-11 02:28:21,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2021-10-11 02:28:21,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 483 transitions. [2021-10-11 02:28:21,066 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 483 transitions. Word has length 84 [2021-10-11 02:28:21,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:21,067 INFO L481 AbstractCegarLoop]: Abstraction has 323 states and 483 transitions. [2021-10-11 02:28:21,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:21,067 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 483 transitions. [2021-10-11 02:28:21,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-11 02:28:21,071 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:21,072 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 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] [2021-10-11 02:28:21,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:28:21,072 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:21,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:21,073 INFO L82 PathProgramCache]: Analyzing trace with hash 2137886458, now seen corresponding path program 1 times [2021-10-11 02:28:21,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:21,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891095601] [2021-10-11 02:28:21,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:21,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891095601] [2021-10-11 02:28:21,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659662113] [2021-10-11 02:28:21,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:28:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:21,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:28:21,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:21,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:28:21,609 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:21,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-10-11 02:28:21,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 5 [2021-10-11 02:28:21,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754680963] [2021-10-11 02:28:21,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:21,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:21,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:21,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:21,621 INFO L87 Difference]: Start difference. First operand 323 states and 483 transitions. Second operand 4 states. [2021-10-11 02:28:22,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:22,567 INFO L93 Difference]: Finished difference Result 965 states and 1557 transitions. [2021-10-11 02:28:22,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:28:22,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2021-10-11 02:28:22,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:22,573 INFO L225 Difference]: With dead ends: 965 [2021-10-11 02:28:22,574 INFO L226 Difference]: Without dead ends: 643 [2021-10-11 02:28:22,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:22,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2021-10-11 02:28:22,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 643. [2021-10-11 02:28:22,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2021-10-11 02:28:22,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 943 transitions. [2021-10-11 02:28:22,628 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 943 transitions. Word has length 89 [2021-10-11 02:28:22,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:22,628 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 943 transitions. [2021-10-11 02:28:22,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:22,628 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 943 transitions. [2021-10-11 02:28:22,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-11 02:28:22,638 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:22,639 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 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, 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] [2021-10-11 02:28:22,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-10-11 02:28:22,855 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:22,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:22,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1297829671, now seen corresponding path program 1 times [2021-10-11 02:28:22,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:22,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383959486] [2021-10-11 02:28:22,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:22,933 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:22,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383959486] [2021-10-11 02:28:22,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:22,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:22,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214646526] [2021-10-11 02:28:22,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:22,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:22,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:22,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:22,936 INFO L87 Difference]: Start difference. First operand 643 states and 943 transitions. Second operand 3 states. [2021-10-11 02:28:23,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:23,396 INFO L93 Difference]: Finished difference Result 1605 states and 2345 transitions. [2021-10-11 02:28:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:23,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2021-10-11 02:28:23,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:23,402 INFO L225 Difference]: With dead ends: 1605 [2021-10-11 02:28:23,402 INFO L226 Difference]: Without dead ends: 963 [2021-10-11 02:28:23,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:23,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-10-11 02:28:23,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-10-11 02:28:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2021-10-11 02:28:23,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1313 transitions. [2021-10-11 02:28:23,436 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1313 transitions. Word has length 96 [2021-10-11 02:28:23,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:23,436 INFO L481 AbstractCegarLoop]: Abstraction has 963 states and 1313 transitions. [2021-10-11 02:28:23,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:23,437 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1313 transitions. [2021-10-11 02:28:23,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-11 02:28:23,443 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:23,443 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 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] [2021-10-11 02:28:23,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 02:28:23,443 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:23,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:23,447 INFO L82 PathProgramCache]: Analyzing trace with hash 766387110, now seen corresponding path program 1 times [2021-10-11 02:28:23,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:23,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863448914] [2021-10-11 02:28:23,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:23,523 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-11 02:28:23,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863448914] [2021-10-11 02:28:23,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:23,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:23,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856901128] [2021-10-11 02:28:23,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:23,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:23,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:23,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:23,526 INFO L87 Difference]: Start difference. First operand 963 states and 1313 transitions. Second operand 3 states. [2021-10-11 02:28:24,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:24,069 INFO L93 Difference]: Finished difference Result 2405 states and 3376 transitions. [2021-10-11 02:28:24,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:24,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2021-10-11 02:28:24,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:24,079 INFO L225 Difference]: With dead ends: 2405 [2021-10-11 02:28:24,079 INFO L226 Difference]: Without dead ends: 1443 [2021-10-11 02:28:24,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:24,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2021-10-11 02:28:24,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1443. [2021-10-11 02:28:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1443 states. [2021-10-11 02:28:24,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1934 transitions. [2021-10-11 02:28:24,124 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1934 transitions. Word has length 97 [2021-10-11 02:28:24,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:24,126 INFO L481 AbstractCegarLoop]: Abstraction has 1443 states and 1934 transitions. [2021-10-11 02:28:24,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1934 transitions. [2021-10-11 02:28:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-11 02:28:24,133 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:24,133 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:24,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 02:28:24,133 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:24,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:24,134 INFO L82 PathProgramCache]: Analyzing trace with hash -279275298, now seen corresponding path program 1 times [2021-10-11 02:28:24,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:24,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540131095] [2021-10-11 02:28:24,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:24,221 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:24,289 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:24,343 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:28:24,343 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:28:24,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 02:28:24,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:24 BoogieIcfgContainer [2021-10-11 02:28:24,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:24,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:24,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:24,501 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:24,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:19" (3/4) ... [2021-10-11 02:28:24,504 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:28:24,670 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f17632-f05c-4a3c-b50e-6b88575e68af/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:24,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:24,674 INFO L168 Benchmark]: Toolchain (without parser) took 8545.18 ms. Allocated memory was 113.2 MB in the beginning and 239.1 MB in the end (delta: 125.8 MB). Free memory was 80.8 MB in the beginning and 109.7 MB in the end (delta: -28.9 MB). Peak memory consumption was 96.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:24,674 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory is still 39.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:24,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.70 ms. Allocated memory is still 113.2 MB. Free memory was 80.4 MB in the beginning and 73.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:24,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.70 ms. Allocated memory is still 113.2 MB. Free memory was 73.3 MB in the beginning and 68.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:24,676 INFO L168 Benchmark]: Boogie Preprocessor took 88.81 ms. Allocated memory is still 113.2 MB. Free memory was 68.0 MB in the beginning and 63.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:24,676 INFO L168 Benchmark]: RCFGBuilder took 2152.58 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 63.3 MB in the beginning and 64.2 MB in the end (delta: -912.2 kB). Peak memory consumption was 51.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:24,677 INFO L168 Benchmark]: TraceAbstraction took 5328.49 ms. Allocated memory was 142.6 MB in the beginning and 239.1 MB in the end (delta: 96.5 MB). Free memory was 64.2 MB in the beginning and 127.5 MB in the end (delta: -63.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:24,677 INFO L168 Benchmark]: Witness Printer took 171.77 ms. Allocated memory is still 239.1 MB. Free memory was 127.5 MB in the beginning and 109.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:24,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory is still 39.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 696.70 ms. Allocated memory is still 113.2 MB. Free memory was 80.4 MB in the beginning and 73.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.70 ms. Allocated memory is still 113.2 MB. Free memory was 73.3 MB in the beginning and 68.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.81 ms. Allocated memory is still 113.2 MB. Free memory was 68.0 MB in the beginning and 63.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2152.58 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 63.3 MB in the beginning and 64.2 MB in the end (delta: -912.2 kB). Peak memory consumption was 51.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5328.49 ms. Allocated memory was 142.6 MB in the beginning and 239.1 MB in the end (delta: 96.5 MB). Free memory was 64.2 MB in the beginning and 127.5 MB in the end (delta: -63.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. * Witness Printer took 171.77 ms. Allocated memory is still 239.1 MB. Free memory was 127.5 MB in the beginning and 109.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 437]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int a= 1; [L18] int e= 5; [L19] int d= 4; [L20] int f= 6; [L21] int c= 3; [L24] int u = 21; [L25] int v = 22; [L26] int w = 23; [L27] int x = 24; [L28] int y = 25; [L29] int z = 26; [L32] int a25 = 0; [L33] int a11 = 0; [L34] int a28 = 7; [L35] int a19 = 1; [L36] int a21 = 1; [L37] int a17 = 8; [L613] int output = -1; VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L109] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L116] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L123] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L133] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L140] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L144] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L149] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L153] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L158] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L164] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L169] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND TRUE (((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1)) [L176] a25 = 1 [L177] a28 = 9 [L178] return 26; VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L40] COND TRUE (((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8)) [L41] a28 = 9 [L42] a11 = 1 [L43] a25 = 1 [L44] return -1; VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L109] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L116] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L123] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L133] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L140] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L144] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L149] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L153] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L158] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L164] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L169] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L179] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L185] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L189] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L195] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L197] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L199] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L201] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L204] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L208] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L212] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L222] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L225] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L228] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L233] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L235] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L242] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L244] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L247] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L258] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L263] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L269] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L271] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L286] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L290] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L293] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L296] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L301] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L303] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L307] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L319] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L324] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L338] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L341] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L347] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L359] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L364] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L371] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L378] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L385] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L388] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L390] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L399] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L404] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L408] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L412] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L414] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L417] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L419] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) [L424] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) [L427] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8))) [L430] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L433] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L436] COND TRUE ((((((a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8)) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L437] reach_error() VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.0s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 325 SDtfs, 461 SDslu, 24 SDs, 0 SdLazy, 1430 SolverSat, 448 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1443occurred in iteration=5, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 649 NumberOfCodeBlocks, 649 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 617 ConstructedInterpolants, 0 QuantifiedInterpolants, 83095 SizeOfPredicates, 0 NumberOfNonLiveVariables, 229 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 76/79 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...