./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label45.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label45.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7 --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 bd7bfdc90ad274b856f062dcd9b414cf1c7c524311f5a91ee1cc532e8e6a452d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:08:19,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:08:19,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:08:19,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:08:19,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:08:19,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:08:19,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:08:19,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:08:19,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:08:19,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:08:19,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:08:19,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:08:19,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:08:19,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:08:19,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:08:19,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:08:19,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:08:19,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:08:19,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:08:19,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:08:19,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:08:19,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:08:19,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:08:19,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:08:19,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:08:19,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:08:19,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:08:19,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:08:19,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:08:19,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:08:19,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:08:19,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:08:19,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:08:19,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:08:19,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:08:19,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:08:19,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:08:19,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:08:19,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:08:19,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:08:19,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:08:19,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:08:20,010 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:08:20,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:08:20,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:08:20,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:08:20,012 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:08:20,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:08:20,019 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:08:20,019 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:08:20,019 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:08:20,019 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:08:20,020 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:08:20,021 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:08:20,021 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:08:20,021 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:08:20,021 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:08:20,022 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:08:20,022 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:08:20,022 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:08:20,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:08:20,023 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:08:20,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:08:20,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:08:20,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:08:20,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:08:20,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:08:20,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:08:20,026 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:08:20,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:08:20,027 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:08:20,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:08:20,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:08:20,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:08:20,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:08:20,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:08:20,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:08:20,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:08:20,029 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:08:20,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:08:20,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:08:20,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:08:20,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:08:20,030 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_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7bfdc90ad274b856f062dcd9b414cf1c7c524311f5a91ee1cc532e8e6a452d [2021-11-25 20:08:20,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:08:20,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:08:20,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:08:20,293 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:08:20,294 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:08:20,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/eca-rers2012/Problem02_label45.c [2021-11-25 20:08:20,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/data/88c6d47c2/777ee79ec0a343bdb8476c27e884b27f/FLAG89aa83057 [2021-11-25 20:08:21,010 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:08:21,011 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/sv-benchmarks/c/eca-rers2012/Problem02_label45.c [2021-11-25 20:08:21,035 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/data/88c6d47c2/777ee79ec0a343bdb8476c27e884b27f/FLAG89aa83057 [2021-11-25 20:08:21,265 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/data/88c6d47c2/777ee79ec0a343bdb8476c27e884b27f [2021-11-25 20:08:21,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:08:21,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:08:21,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:08:21,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:08:21,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:08:21,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:08:21" (1/1) ... [2021-11-25 20:08:21,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20696525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:21, skipping insertion in model container [2021-11-25 20:08:21,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:08:21" (1/1) ... [2021-11-25 20:08:21,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:08:21,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:08:21,694 WARN L230 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_8e88373c-4fa8-4724-adac-06fa33efcfa7/sv-benchmarks/c/eca-rers2012/Problem02_label45.c[14744,14757] [2021-11-25 20:08:21,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:08:21,759 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:08:21,849 WARN L230 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_8e88373c-4fa8-4724-adac-06fa33efcfa7/sv-benchmarks/c/eca-rers2012/Problem02_label45.c[14744,14757] [2021-11-25 20:08:21,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:08:21,895 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:08:21,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:21 WrapperNode [2021-11-25 20:08:21,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:08:21,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:08:21,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:08:21,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:08:21,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:21" (1/1) ... [2021-11-25 20:08:21,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:21" (1/1) ... [2021-11-25 20:08:21,990 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2021-11-25 20:08:21,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:08:21,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:08:21,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:08:21,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:08:22,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:21" (1/1) ... [2021-11-25 20:08:22,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:21" (1/1) ... [2021-11-25 20:08:22,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:21" (1/1) ... [2021-11-25 20:08:22,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:21" (1/1) ... [2021-11-25 20:08:22,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:21" (1/1) ... [2021-11-25 20:08:22,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:21" (1/1) ... [2021-11-25 20:08:22,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:21" (1/1) ... [2021-11-25 20:08:22,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:08:22,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:08:22,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:08:22,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:08:22,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:21" (1/1) ... [2021-11-25 20:08:22,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:08:22,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:08:22,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:08:22,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:08:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:08:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:08:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:08:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:08:22,215 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:08:22,216 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:08:23,166 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:08:23,346 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:08:23,346 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 20:08:23,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:08:23 BoogieIcfgContainer [2021-11-25 20:08:23,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:08:23,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:08:23,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:08:23,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:08:23,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:08:21" (1/3) ... [2021-11-25 20:08:23,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a31e554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:08:23, skipping insertion in model container [2021-11-25 20:08:23,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:21" (2/3) ... [2021-11-25 20:08:23,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a31e554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:08:23, skipping insertion in model container [2021-11-25 20:08:23,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:08:23" (3/3) ... [2021-11-25 20:08:23,357 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label45.c [2021-11-25 20:08:23,362 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:08:23,363 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:08:23,409 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:08:23,416 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:08:23,416 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:08:23,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 83 states have (on average 1.9518072289156627) internal successors, (162), 84 states have internal predecessors, (162), 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) [2021-11-25 20:08:23,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 20:08:23,441 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:23,442 INFO L514 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] [2021-11-25 20:08:23,442 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:23,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:23,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1243247530, now seen corresponding path program 1 times [2021-11-25 20:08:23,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:23,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211163829] [2021-11-25 20:08:23,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:23,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:08:23,779 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:23,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211163829] [2021-11-25 20:08:23,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211163829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:23,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:08:23,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:08:23,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222645243] [2021-11-25 20:08:23,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:23,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:23,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:23,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:23,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:08:23,815 INFO L87 Difference]: Start difference. First operand has 85 states, 83 states have (on average 1.9518072289156627) internal successors, (162), 84 states have internal predecessors, (162), 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 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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) [2021-11-25 20:08:24,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:24,273 INFO L93 Difference]: Finished difference Result 251 states and 482 transitions. [2021-11-25 20:08:24,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:24,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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 80 [2021-11-25 20:08:24,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:24,294 INFO L225 Difference]: With dead ends: 251 [2021-11-25 20:08:24,305 INFO L226 Difference]: Without dead ends: 163 [2021-11-25 20:08:24,308 INFO L932 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 [2021-11-25 20:08:24,311 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 20 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:24,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 55 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 20:08:24,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-11-25 20:08:24,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2021-11-25 20:08:24,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.8395061728395061) internal successors, (298), 162 states have internal predecessors, (298), 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) [2021-11-25 20:08:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 298 transitions. [2021-11-25 20:08:24,426 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 298 transitions. Word has length 80 [2021-11-25 20:08:24,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:24,427 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 298 transitions. [2021-11-25 20:08:24,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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) [2021-11-25 20:08:24,427 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 298 transitions. [2021-11-25 20:08:24,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 20:08:24,432 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:24,432 INFO L514 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] [2021-11-25 20:08:24,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:08:24,433 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:24,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:24,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1832989599, now seen corresponding path program 1 times [2021-11-25 20:08:24,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:24,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319560949] [2021-11-25 20:08:24,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:24,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:08:24,504 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:24,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319560949] [2021-11-25 20:08:24,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319560949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:24,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:08:24,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:08:24,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61674506] [2021-11-25 20:08:24,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:24,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:24,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:24,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:24,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:08:24,508 INFO L87 Difference]: Start difference. First operand 163 states and 298 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 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) [2021-11-25 20:08:24,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:24,950 INFO L93 Difference]: Finished difference Result 485 states and 891 transitions. [2021-11-25 20:08:24,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:24,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 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 84 [2021-11-25 20:08:24,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:24,955 INFO L225 Difference]: With dead ends: 485 [2021-11-25 20:08:24,956 INFO L226 Difference]: Without dead ends: 323 [2021-11-25 20:08:24,957 INFO L932 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 [2021-11-25 20:08:24,965 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 78 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:24,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 63 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 20:08:24,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-11-25 20:08:24,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2021-11-25 20:08:24,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 322 states have (on average 1.515527950310559) internal successors, (488), 322 states have internal predecessors, (488), 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) [2021-11-25 20:08:24,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 488 transitions. [2021-11-25 20:08:24,997 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 488 transitions. Word has length 84 [2021-11-25 20:08:24,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:24,997 INFO L470 AbstractCegarLoop]: Abstraction has 323 states and 488 transitions. [2021-11-25 20:08:24,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 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) [2021-11-25 20:08:24,998 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 488 transitions. [2021-11-25 20:08:25,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-25 20:08:25,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:25,003 INFO L514 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] [2021-11-25 20:08:25,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:08:25,004 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:25,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:25,005 INFO L85 PathProgramCache]: Analyzing trace with hash -2045258524, now seen corresponding path program 1 times [2021-11-25 20:08:25,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:25,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077360670] [2021-11-25 20:08:25,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:25,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:25,075 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:08:25,075 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:25,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077360670] [2021-11-25 20:08:25,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077360670] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:25,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:08:25,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:08:25,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676902893] [2021-11-25 20:08:25,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:25,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:25,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:25,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:25,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:08:25,079 INFO L87 Difference]: Start difference. First operand 323 states and 488 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2021-11-25 20:08:25,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:25,440 INFO L93 Difference]: Finished difference Result 805 states and 1271 transitions. [2021-11-25 20:08:25,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:25,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 89 [2021-11-25 20:08:25,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:25,444 INFO L225 Difference]: With dead ends: 805 [2021-11-25 20:08:25,445 INFO L226 Difference]: Without dead ends: 483 [2021-11-25 20:08:25,446 INFO L932 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 [2021-11-25 20:08:25,448 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 77 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:25,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 139 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:08:25,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2021-11-25 20:08:25,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2021-11-25 20:08:25,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 482 states have (on average 1.4066390041493777) internal successors, (678), 482 states have internal predecessors, (678), 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) [2021-11-25 20:08:25,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 678 transitions. [2021-11-25 20:08:25,479 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 678 transitions. Word has length 89 [2021-11-25 20:08:25,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:25,479 INFO L470 AbstractCegarLoop]: Abstraction has 483 states and 678 transitions. [2021-11-25 20:08:25,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2021-11-25 20:08:25,480 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 678 transitions. [2021-11-25 20:08:25,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-25 20:08:25,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:25,496 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:08:25,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:08:25,497 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:25,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:25,497 INFO L85 PathProgramCache]: Analyzing trace with hash 2122044601, now seen corresponding path program 1 times [2021-11-25 20:08:25,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:25,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44747601] [2021-11-25 20:08:25,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:25,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:08:25,684 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:25,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44747601] [2021-11-25 20:08:25,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44747601] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:08:25,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603958103] [2021-11-25 20:08:25,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:25,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:25,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:08:25,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:08:25,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:08:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:25,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:08:25,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:08:26,120 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 20:08:26,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:08:26,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603958103] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:26,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 20:08:26,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-11-25 20:08:26,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472686436] [2021-11-25 20:08:26,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:26,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:26,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:26,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:26,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:08:26,123 INFO L87 Difference]: Start difference. First operand 483 states and 678 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 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) [2021-11-25 20:08:26,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:26,458 INFO L93 Difference]: Finished difference Result 1285 states and 1841 transitions. [2021-11-25 20:08:26,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:26,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 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 89 [2021-11-25 20:08:26,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:26,465 INFO L225 Difference]: With dead ends: 1285 [2021-11-25 20:08:26,465 INFO L226 Difference]: Without dead ends: 803 [2021-11-25 20:08:26,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:08:26,467 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 43 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:26,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 20 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:08:26,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2021-11-25 20:08:26,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 803. [2021-11-25 20:08:26,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 802 states have (on average 1.4064837905236909) internal successors, (1128), 802 states have internal predecessors, (1128), 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) [2021-11-25 20:08:26,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1128 transitions. [2021-11-25 20:08:26,498 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1128 transitions. Word has length 89 [2021-11-25 20:08:26,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:26,499 INFO L470 AbstractCegarLoop]: Abstraction has 803 states and 1128 transitions. [2021-11-25 20:08:26,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 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) [2021-11-25 20:08:26,499 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1128 transitions. [2021-11-25 20:08:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 20:08:26,502 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:26,502 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:08:26,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:08:26,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:26,730 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:26,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:26,730 INFO L85 PathProgramCache]: Analyzing trace with hash -522357458, now seen corresponding path program 1 times [2021-11-25 20:08:26,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:26,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658064783] [2021-11-25 20:08:26,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:26,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:08:26,780 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:26,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658064783] [2021-11-25 20:08:26,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658064783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:26,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:08:26,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:08:26,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337786274] [2021-11-25 20:08:26,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:26,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:26,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:26,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:26,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:08:26,783 INFO L87 Difference]: Start difference. First operand 803 states and 1128 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-11-25 20:08:27,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:27,183 INFO L93 Difference]: Finished difference Result 2085 states and 2931 transitions. [2021-11-25 20:08:27,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:27,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 93 [2021-11-25 20:08:27,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:27,192 INFO L225 Difference]: With dead ends: 2085 [2021-11-25 20:08:27,192 INFO L226 Difference]: Without dead ends: 1283 [2021-11-25 20:08:27,193 INFO L932 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 [2021-11-25 20:08:27,195 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 78 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:27,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 147 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 20:08:27,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2021-11-25 20:08:27,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1283. [2021-11-25 20:08:27,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1283 states, 1282 states have (on average 1.3088923556942278) internal successors, (1678), 1282 states have internal predecessors, (1678), 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) [2021-11-25 20:08:27,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1678 transitions. [2021-11-25 20:08:27,230 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1678 transitions. Word has length 93 [2021-11-25 20:08:27,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:27,230 INFO L470 AbstractCegarLoop]: Abstraction has 1283 states and 1678 transitions. [2021-11-25 20:08:27,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-11-25 20:08:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1678 transitions. [2021-11-25 20:08:27,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 20:08:27,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:27,234 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:08:27,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 20:08:27,235 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:27,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:27,235 INFO L85 PathProgramCache]: Analyzing trace with hash 130975139, now seen corresponding path program 1 times [2021-11-25 20:08:27,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:27,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031800899] [2021-11-25 20:08:27,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:27,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:27,270 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 20:08:27,271 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:27,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031800899] [2021-11-25 20:08:27,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031800899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:27,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:08:27,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:08:27,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732660994] [2021-11-25 20:08:27,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:27,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:27,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:27,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:27,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:08:27,274 INFO L87 Difference]: Start difference. First operand 1283 states and 1678 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 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) [2021-11-25 20:08:27,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:27,590 INFO L93 Difference]: Finished difference Result 3045 states and 4101 transitions. [2021-11-25 20:08:27,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:27,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 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 94 [2021-11-25 20:08:27,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:27,601 INFO L225 Difference]: With dead ends: 3045 [2021-11-25 20:08:27,601 INFO L226 Difference]: Without dead ends: 1763 [2021-11-25 20:08:27,603 INFO L932 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 [2021-11-25 20:08:27,604 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 95 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:27,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 48 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:08:27,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2021-11-25 20:08:27,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1763. [2021-11-25 20:08:27,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1763 states, 1762 states have (on average 1.2905788876276958) internal successors, (2274), 1762 states have internal predecessors, (2274), 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) [2021-11-25 20:08:27,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 2274 transitions. [2021-11-25 20:08:27,649 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 2274 transitions. Word has length 94 [2021-11-25 20:08:27,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:27,650 INFO L470 AbstractCegarLoop]: Abstraction has 1763 states and 2274 transitions. [2021-11-25 20:08:27,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 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) [2021-11-25 20:08:27,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2274 transitions. [2021-11-25 20:08:27,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-25 20:08:27,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:27,654 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:08:27,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 20:08:27,654 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:27,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:27,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1065355538, now seen corresponding path program 1 times [2021-11-25 20:08:27,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:27,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088152700] [2021-11-25 20:08:27,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:27,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:27,704 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 20:08:27,704 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:27,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088152700] [2021-11-25 20:08:27,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088152700] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:27,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:08:27,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:08:27,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784652857] [2021-11-25 20:08:27,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:27,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:27,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:27,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:27,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:08:27,706 INFO L87 Difference]: Start difference. First operand 1763 states and 2274 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2021-11-25 20:08:28,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:28,010 INFO L93 Difference]: Finished difference Result 3525 states and 4547 transitions. [2021-11-25 20:08:28,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:28,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 113 [2021-11-25 20:08:28,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:28,022 INFO L225 Difference]: With dead ends: 3525 [2021-11-25 20:08:28,022 INFO L226 Difference]: Without dead ends: 1763 [2021-11-25 20:08:28,024 INFO L932 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 [2021-11-25 20:08:28,025 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 79 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:28,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 16 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:08:28,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2021-11-25 20:08:28,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1603. [2021-11-25 20:08:28,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1603 states, 1602 states have (on average 1.2602996254681649) internal successors, (2019), 1602 states have internal predecessors, (2019), 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) [2021-11-25 20:08:28,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2019 transitions. [2021-11-25 20:08:28,068 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2019 transitions. Word has length 113 [2021-11-25 20:08:28,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:28,068 INFO L470 AbstractCegarLoop]: Abstraction has 1603 states and 2019 transitions. [2021-11-25 20:08:28,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2021-11-25 20:08:28,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2019 transitions. [2021-11-25 20:08:28,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-25 20:08:28,072 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:28,072 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2021-11-25 20:08:28,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 20:08:28,073 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:28,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:28,075 INFO L85 PathProgramCache]: Analyzing trace with hash 588812775, now seen corresponding path program 1 times [2021-11-25 20:08:28,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:28,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279801963] [2021-11-25 20:08:28,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:28,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:28,209 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:08:28,210 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:28,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279801963] [2021-11-25 20:08:28,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279801963] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:08:28,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130734753] [2021-11-25 20:08:28,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:28,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:28,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:08:28,218 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:08:28,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:08:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:28,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:08:28,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:08:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 20:08:28,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:08:28,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130734753] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:28,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 20:08:28,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-25 20:08:28,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051702514] [2021-11-25 20:08:28,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:28,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:28,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:28,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:28,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:08:28,554 INFO L87 Difference]: Start difference. First operand 1603 states and 2019 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2021-11-25 20:08:28,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:28,882 INFO L93 Difference]: Finished difference Result 3445 states and 4483 transitions. [2021-11-25 20:08:28,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:28,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 113 [2021-11-25 20:08:28,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:28,895 INFO L225 Difference]: With dead ends: 3445 [2021-11-25 20:08:28,895 INFO L226 Difference]: Without dead ends: 1843 [2021-11-25 20:08:28,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:08:28,900 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:28,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 131 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:08:28,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2021-11-25 20:08:28,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2021-11-25 20:08:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1842 states have (on average 1.267100977198697) internal successors, (2334), 1842 states have internal predecessors, (2334), 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) [2021-11-25 20:08:28,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2334 transitions. [2021-11-25 20:08:28,982 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2334 transitions. Word has length 113 [2021-11-25 20:08:28,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:28,983 INFO L470 AbstractCegarLoop]: Abstraction has 1843 states and 2334 transitions. [2021-11-25 20:08:28,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2021-11-25 20:08:28,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2334 transitions. [2021-11-25 20:08:28,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-25 20:08:28,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:28,987 INFO L514 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] [2021-11-25 20:08:29,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:08:29,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:29,202 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:29,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:29,202 INFO L85 PathProgramCache]: Analyzing trace with hash 266594140, now seen corresponding path program 1 times [2021-11-25 20:08:29,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:29,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553216702] [2021-11-25 20:08:29,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:29,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:08:29,307 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:29,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553216702] [2021-11-25 20:08:29,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553216702] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:29,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:08:29,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:08:29,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658225045] [2021-11-25 20:08:29,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:29,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:29,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:29,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:29,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:08:29,309 INFO L87 Difference]: Start difference. First operand 1843 states and 2334 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2021-11-25 20:08:29,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:29,622 INFO L93 Difference]: Finished difference Result 4085 states and 5233 transitions. [2021-11-25 20:08:29,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:29,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 114 [2021-11-25 20:08:29,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:29,635 INFO L225 Difference]: With dead ends: 4085 [2021-11-25 20:08:29,636 INFO L226 Difference]: Without dead ends: 2243 [2021-11-25 20:08:29,638 INFO L932 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 [2021-11-25 20:08:29,639 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 14 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:29,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 31 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:08:29,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2243 states. [2021-11-25 20:08:29,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2243 to 2003. [2021-11-25 20:08:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 2002 states have (on average 1.2602397602397601) internal successors, (2523), 2002 states have internal predecessors, (2523), 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) [2021-11-25 20:08:29,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 2523 transitions. [2021-11-25 20:08:29,690 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 2523 transitions. Word has length 114 [2021-11-25 20:08:29,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:29,690 INFO L470 AbstractCegarLoop]: Abstraction has 2003 states and 2523 transitions. [2021-11-25 20:08:29,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2021-11-25 20:08:29,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2523 transitions. [2021-11-25 20:08:29,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-25 20:08:29,695 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:29,695 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-25 20:08:29,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 20:08:29,696 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:29,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:29,696 INFO L85 PathProgramCache]: Analyzing trace with hash 860942219, now seen corresponding path program 1 times [2021-11-25 20:08:29,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:29,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123854018] [2021-11-25 20:08:29,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:29,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:08:29,786 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:29,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123854018] [2021-11-25 20:08:29,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123854018] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:08:29,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281646018] [2021-11-25 20:08:29,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:29,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:29,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:08:29,788 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:08:29,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:08:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:29,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:08:29,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:08:30,070 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:08:30,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:08:30,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281646018] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:30,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 20:08:30,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-25 20:08:30,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553534625] [2021-11-25 20:08:30,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:30,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:30,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:30,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:30,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:08:30,073 INFO L87 Difference]: Start difference. First operand 2003 states and 2523 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2021-11-25 20:08:30,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:30,407 INFO L93 Difference]: Finished difference Result 4005 states and 5035 transitions. [2021-11-25 20:08:30,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:30,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 133 [2021-11-25 20:08:30,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:30,418 INFO L225 Difference]: With dead ends: 4005 [2021-11-25 20:08:30,418 INFO L226 Difference]: Without dead ends: 2003 [2021-11-25 20:08:30,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:08:30,424 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 70 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:30,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 145 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:08:30,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2021-11-25 20:08:30,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 2003. [2021-11-25 20:08:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 2002 states have (on average 1.1953046953046953) internal successors, (2393), 2002 states have internal predecessors, (2393), 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) [2021-11-25 20:08:30,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 2393 transitions. [2021-11-25 20:08:30,477 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 2393 transitions. Word has length 133 [2021-11-25 20:08:30,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:30,477 INFO L470 AbstractCegarLoop]: Abstraction has 2003 states and 2393 transitions. [2021-11-25 20:08:30,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2021-11-25 20:08:30,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2393 transitions. [2021-11-25 20:08:30,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-25 20:08:30,484 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:30,484 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-25 20:08:30,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:08:30,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:30,698 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:30,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:30,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1690835763, now seen corresponding path program 1 times [2021-11-25 20:08:30,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:30,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910549076] [2021-11-25 20:08:30,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:30,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:30,776 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:08:30,776 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:30,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910549076] [2021-11-25 20:08:30,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910549076] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:30,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:08:30,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:08:30,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857901966] [2021-11-25 20:08:30,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:30,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:30,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:30,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:30,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:08:30,779 INFO L87 Difference]: Start difference. First operand 2003 states and 2393 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2021-11-25 20:08:31,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:31,148 INFO L93 Difference]: Finished difference Result 4805 states and 5830 transitions. [2021-11-25 20:08:31,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:31,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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 162 [2021-11-25 20:08:31,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:31,164 INFO L225 Difference]: With dead ends: 4805 [2021-11-25 20:08:31,164 INFO L226 Difference]: Without dead ends: 2803 [2021-11-25 20:08:31,167 INFO L932 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 [2021-11-25 20:08:31,168 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 65 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:31,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 115 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:08:31,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2021-11-25 20:08:31,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2803. [2021-11-25 20:08:31,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2803 states, 2802 states have (on average 1.1805852962169878) internal successors, (3308), 2802 states have internal predecessors, (3308), 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) [2021-11-25 20:08:31,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 3308 transitions. [2021-11-25 20:08:31,244 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 3308 transitions. Word has length 162 [2021-11-25 20:08:31,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:31,244 INFO L470 AbstractCegarLoop]: Abstraction has 2803 states and 3308 transitions. [2021-11-25 20:08:31,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2021-11-25 20:08:31,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 3308 transitions. [2021-11-25 20:08:31,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-25 20:08:31,251 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:31,251 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-25 20:08:31,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 20:08:31,252 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:31,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:31,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1525585717, now seen corresponding path program 1 times [2021-11-25 20:08:31,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:31,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671761667] [2021-11-25 20:08:31,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:31,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-25 20:08:31,358 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:31,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671761667] [2021-11-25 20:08:31,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671761667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:31,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:08:31,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:08:31,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335747074] [2021-11-25 20:08:31,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:31,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:31,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:31,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:31,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:08:31,362 INFO L87 Difference]: Start difference. First operand 2803 states and 3308 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2021-11-25 20:08:31,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:31,711 INFO L93 Difference]: Finished difference Result 6165 states and 7301 transitions. [2021-11-25 20:08:31,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:31,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 163 [2021-11-25 20:08:31,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:31,728 INFO L225 Difference]: With dead ends: 6165 [2021-11-25 20:08:31,728 INFO L226 Difference]: Without dead ends: 2963 [2021-11-25 20:08:31,732 INFO L932 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 [2021-11-25 20:08:31,732 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 76 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:31,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 135 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:08:31,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2963 states. [2021-11-25 20:08:31,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2963 to 2723. [2021-11-25 20:08:31,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2723 states, 2722 states have (on average 1.1620132255694342) internal successors, (3163), 2722 states have internal predecessors, (3163), 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) [2021-11-25 20:08:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2723 states and 3163 transitions. [2021-11-25 20:08:31,815 INFO L78 Accepts]: Start accepts. Automaton has 2723 states and 3163 transitions. Word has length 163 [2021-11-25 20:08:31,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:31,815 INFO L470 AbstractCegarLoop]: Abstraction has 2723 states and 3163 transitions. [2021-11-25 20:08:31,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2021-11-25 20:08:31,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2723 states and 3163 transitions. [2021-11-25 20:08:31,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-25 20:08:31,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:31,822 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-25 20:08:31,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 20:08:31,823 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:31,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:31,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1624973100, now seen corresponding path program 1 times [2021-11-25 20:08:31,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:31,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822015335] [2021-11-25 20:08:31,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:31,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:31,982 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 135 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:08:31,983 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:31,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822015335] [2021-11-25 20:08:31,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822015335] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:08:31,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695510190] [2021-11-25 20:08:31,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:31,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:31,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:08:31,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:08:32,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:08:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:32,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 20:08:32,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:08:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 162 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:08:32,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:08:33,815 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 162 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:08:33,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695510190] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:08:33,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2003011938] [2021-11-25 20:08:33,842 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2021-11-25 20:08:33,842 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:08:33,847 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:08:33,852 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:08:33,853 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:09:02,072 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:09:09,226 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '55319#(and (<= 26 ~z~0) (<= 5 ~e~0) (<= 25 ~y~0) (<= ~c~0 3) (<= ~e~0 5) (<= 6 ~f~0) (<= 0 |#NULL.base|) (= ~a17~0 8) (<= ~w~0 23) (<= ~u~0 21) (<= 1 |ULTIMATE.start_calculate_output_~input#1|) (= ~a25~0 1) (<= ~x~0 24) (<= 3 ~c~0) (<= |#NULL.offset| 0) (<= ~v~0 22) (<= 1 |ULTIMATE.start_main_~input~0#1|) (= ~a11~0 1) (<= ~a~0 1) (<= 4 ~d~0) (<= 23 ~w~0) (= ~a28~0 10) (<= ~z~0 26) (= ~a21~0 1) (<= 21 ~u~0) (<= 0 (+ |ULTIMATE.start_main_~output~0#1| 1)) (<= 1 |ULTIMATE.start_calculate_output_#in~input#1|) (<= |#NULL.base| 0) (<= ~y~0 25) (= ~a19~0 1) (<= 1 ~a~0) (<= 22 ~v~0) (<= 0 |#NULL.offset|) (<= ~d~0 4) (<= 0 |#StackHeapBarrier|) (<= ~f~0 6) (<= 24 ~x~0))' at error location [2021-11-25 20:09:09,226 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:09:09,226 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 20:09:09,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2021-11-25 20:09:09,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817923255] [2021-11-25 20:09:09,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 20:09:09,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 20:09:09,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:09:09,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 20:09:09,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2021-11-25 20:09:09,230 INFO L87 Difference]: Start difference. First operand 2723 states and 3163 transitions. Second operand has 10 states, 10 states have (on average 29.0) internal successors, (290), 9 states have internal predecessors, (290), 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) [2021-11-25 20:09:10,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:09:10,769 INFO L93 Difference]: Finished difference Result 6308 states and 7247 transitions. [2021-11-25 20:09:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-25 20:09:10,770 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 29.0) internal successors, (290), 9 states have internal predecessors, (290), 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 185 [2021-11-25 20:09:10,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:09:10,778 INFO L225 Difference]: With dead ends: 6308 [2021-11-25 20:09:10,779 INFO L226 Difference]: Without dead ends: 1665 [2021-11-25 20:09:10,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 393 SyntacticMatches, 148 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2159 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=230, Invalid=892, Unknown=0, NotChecked=0, Total=1122 [2021-11-25 20:09:10,784 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 778 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 1785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:09:10,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [778 Valid, 61 Invalid, 1785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 20:09:10,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2021-11-25 20:09:10,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 963. [2021-11-25 20:09:10,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.0675675675675675) internal successors, (1027), 962 states have internal predecessors, (1027), 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) [2021-11-25 20:09:10,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1027 transitions. [2021-11-25 20:09:10,817 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1027 transitions. Word has length 185 [2021-11-25 20:09:10,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:09:10,817 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1027 transitions. [2021-11-25 20:09:10,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 29.0) internal successors, (290), 9 states have internal predecessors, (290), 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) [2021-11-25 20:09:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1027 transitions. [2021-11-25 20:09:10,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-25 20:09:10,821 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:09:10,822 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:09:10,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 20:09:11,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:09:11,040 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:09:11,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:09:11,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1375284853, now seen corresponding path program 1 times [2021-11-25 20:09:11,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:09:11,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778815863] [2021-11-25 20:09:11,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:09:11,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:09:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:09:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-25 20:09:11,144 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:09:11,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778815863] [2021-11-25 20:09:11,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778815863] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:09:11,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:09:11,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:09:11,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020453135] [2021-11-25 20:09:11,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:09:11,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:09:11,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:09:11,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:09:11,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:09:11,147 INFO L87 Difference]: Start difference. First operand 963 states and 1027 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2021-11-25 20:09:11,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:09:11,356 INFO L93 Difference]: Finished difference Result 2005 states and 2140 transitions. [2021-11-25 20:09:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:09:11,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 220 [2021-11-25 20:09:11,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:09:11,363 INFO L225 Difference]: With dead ends: 2005 [2021-11-25 20:09:11,363 INFO L226 Difference]: Without dead ends: 1043 [2021-11-25 20:09:11,364 INFO L932 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 [2021-11-25 20:09:11,365 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 61 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:09:11,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 24 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:09:11,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2021-11-25 20:09:11,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1043. [2021-11-25 20:09:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 1042 states have (on average 1.062380038387716) internal successors, (1107), 1042 states have internal predecessors, (1107), 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) [2021-11-25 20:09:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1107 transitions. [2021-11-25 20:09:11,398 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1107 transitions. Word has length 220 [2021-11-25 20:09:11,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:09:11,399 INFO L470 AbstractCegarLoop]: Abstraction has 1043 states and 1107 transitions. [2021-11-25 20:09:11,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2021-11-25 20:09:11,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1107 transitions. [2021-11-25 20:09:11,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-25 20:09:11,403 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:09:11,403 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:09:11,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 20:09:11,404 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:09:11,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:09:11,405 INFO L85 PathProgramCache]: Analyzing trace with hash 114436880, now seen corresponding path program 1 times [2021-11-25 20:09:11,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:09:11,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143472914] [2021-11-25 20:09:11,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:09:11,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:09:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 20:09:11,485 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 20:09:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 20:09:11,629 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 20:09:11,630 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 20:09:11,631 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 20:09:11,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 20:09:11,637 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:09:11,642 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 20:09:11,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:09:11 BoogieIcfgContainer [2021-11-25 20:09:11,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:09:11,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:09:11,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:09:11,828 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:09:11,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:08:23" (3/4) ... [2021-11-25 20:09:11,830 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-25 20:09:11,967 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 20:09:11,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:09:11,968 INFO L158 Benchmark]: Toolchain (without parser) took 50699.65ms. Allocated memory was 88.1MB in the beginning and 775.9MB in the end (delta: 687.9MB). Free memory was 59.1MB in the beginning and 571.1MB in the end (delta: -512.0MB). Peak memory consumption was 174.8MB. Max. memory is 16.1GB. [2021-11-25 20:09:11,968 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 88.1MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:09:11,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.96ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 59.0MB in the beginning and 84.5MB in the end (delta: -25.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 20:09:11,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.26ms. Allocated memory is still 123.7MB. Free memory was 84.5MB in the beginning and 79.1MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 20:09:11,969 INFO L158 Benchmark]: Boogie Preprocessor took 82.49ms. Allocated memory is still 123.7MB. Free memory was 79.1MB in the beginning and 74.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 20:09:11,970 INFO L158 Benchmark]: RCFGBuilder took 1274.65ms. Allocated memory is still 123.7MB. Free memory was 74.8MB in the beginning and 74.1MB in the end (delta: 759.6kB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2021-11-25 20:09:11,970 INFO L158 Benchmark]: TraceAbstraction took 48476.42ms. Allocated memory was 123.7MB in the beginning and 775.9MB in the end (delta: 652.2MB). Free memory was 73.4MB in the beginning and 599.3MB in the end (delta: -525.9MB). Peak memory consumption was 127.3MB. Max. memory is 16.1GB. [2021-11-25 20:09:11,970 INFO L158 Benchmark]: Witness Printer took 139.32ms. Allocated memory is still 775.9MB. Free memory was 599.3MB in the beginning and 571.1MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-25 20:09:11,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 88.1MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.96ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 59.0MB in the beginning and 84.5MB in the end (delta: -25.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.26ms. Allocated memory is still 123.7MB. Free memory was 84.5MB in the beginning and 79.1MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.49ms. Allocated memory is still 123.7MB. Free memory was 79.1MB in the beginning and 74.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1274.65ms. Allocated memory is still 123.7MB. Free memory was 74.8MB in the beginning and 74.1MB in the end (delta: 759.6kB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * TraceAbstraction took 48476.42ms. Allocated memory was 123.7MB in the beginning and 775.9MB in the end (delta: 652.2MB). Free memory was 73.4MB in the beginning and 599.3MB in the end (delta: -525.9MB). Peak memory consumption was 127.3MB. Max. memory is 16.1GB. * Witness Printer took 139.32ms. Allocated memory is still 775.9MB. Free memory was 599.3MB in the beginning and 571.1MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 428]: 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, output=-1, 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)) [L624] CALL, EXPR calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, 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 [\old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L244] COND TRUE ((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1))) [L245] a28 = 9 [L246] return 23; VAL [\old(input)=4, \result=23, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L624] RET, EXPR calculate_output(input) [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)) [L624] CALL, EXPR calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L404] COND TRUE (((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1)) [L405] a19 = 0 [L406] a28 = 7 [L407] return 25; VAL [\old(input)=3, \result=25, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L624] RET, EXPR calculate_output(input) [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)) [L624] CALL, EXPR calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L158] COND TRUE ((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1)) [L159] a11 = 1 [L160] a19 = 1 [L161] a28 = 10 [L162] a25 = 1 [L163] return -1; VAL [\old(input)=3, \result=-1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L624] RET, EXPR calculate_output(input) [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)) [L624] CALL calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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 [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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))) VAL [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L427] COND TRUE ((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8)) VAL [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L428] reach_error() VAL [\old(input)=3, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, input=3, 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. OverallTime: 48.2s, OverallIterations: 15, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1544 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1544 mSDsluCounter, 1130 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 1039 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4662 IncrementalHoareTripleChecker+Invalid, 5701 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1039 mSolverCounterUnsat, 1026 mSDtfsCounter, 4662 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 943 GetRequests, 742 SyntacticMatches, 148 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2159 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2803occurred in iteration=11, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 1342 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 2479 NumberOfCodeBlocks, 2479 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2418 ConstructedInterpolants, 0 QuantifiedInterpolants, 7649 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1086 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 1349/1436 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! [2021-11-25 20:09:12,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e88373c-4fa8-4724-adac-06fa33efcfa7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE