./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label48.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label48.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8 --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 11a8cf9d4cca93a44d0121e3dae11c57b51416e6 ....................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label48.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8 --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 11a8cf9d4cca93a44d0121e3dae11c57b51416e6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:40:04,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:40:04,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:40:04,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:40:04,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:40:04,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:40:04,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:40:04,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:40:04,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:40:04,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:40:04,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:40:04,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:40:04,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:40:04,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:40:04,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:40:04,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:40:04,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:40:04,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:40:04,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:40:04,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:40:04,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:40:04,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:40:04,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:40:04,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:40:04,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:40:04,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:40:04,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:40:04,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:40:04,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:40:04,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:40:04,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:40:04,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:40:04,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:40:04,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:40:04,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:40:04,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:40:04,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:40:04,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:40:04,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:40:04,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:40:04,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:40:04,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:40:04,826 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:40:04,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:40:04,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:40:04,828 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:40:04,828 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:40:04,828 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:40:04,829 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:40:04,829 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:40:04,829 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:40:04,829 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:40:04,830 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:40:04,831 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:40:04,831 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:40:04,831 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:40:04,831 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:40:04,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:40:04,832 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:40:04,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:40:04,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:40:04,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:40:04,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:40:04,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:40:04,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:40:04,834 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:40:04,834 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:40:04,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:40:04,834 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:40:04,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:40:04,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:40:04,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:40:04,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:40:04,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:40:04,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:40:04,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:40:04,838 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:40:04,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:40:04,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:40:04,839 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:40:04,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:40:04,839 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_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11a8cf9d4cca93a44d0121e3dae11c57b51416e6 [2021-10-13 07:40:05,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:40:05,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:40:05,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:40:05,182 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:40:05,182 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:40:05,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/eca-rers2012/Problem10_label48.c [2021-10-13 07:40:05,244 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/data/00e8dd443/e6273a3faa7547bcba7583db22834f26/FLAGcdfb9bbec [2021-10-13 07:40:05,804 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:40:05,806 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/sv-benchmarks/c/eca-rers2012/Problem10_label48.c [2021-10-13 07:40:05,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/data/00e8dd443/e6273a3faa7547bcba7583db22834f26/FLAGcdfb9bbec [2021-10-13 07:40:06,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/data/00e8dd443/e6273a3faa7547bcba7583db22834f26 [2021-10-13 07:40:06,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:40:06,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:40:06,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:40:06,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:40:06,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:40:06,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:40:06" (1/1) ... [2021-10-13 07:40:06,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6febffb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:06, skipping insertion in model container [2021-10-13 07:40:06,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:40:06" (1/1) ... [2021-10-13 07:40:06,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:40:06,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:40:06,347 WARN L228 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_a0451f52-b207-4983-870d-853d89cd39cf/sv-benchmarks/c/eca-rers2012/Problem10_label48.c[1104,1117] [2021-10-13 07:40:06,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:40:06,565 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:40:06,586 WARN L228 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_a0451f52-b207-4983-870d-853d89cd39cf/sv-benchmarks/c/eca-rers2012/Problem10_label48.c[1104,1117] [2021-10-13 07:40:06,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:40:06,714 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:40:06,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:06 WrapperNode [2021-10-13 07:40:06,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:40:06,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:40:06,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:40:06,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:40:06,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:06" (1/1) ... [2021-10-13 07:40:06,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:06" (1/1) ... [2021-10-13 07:40:06,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:40:06,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:40:06,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:40:06,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:40:06,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:06" (1/1) ... [2021-10-13 07:40:06,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:06" (1/1) ... [2021-10-13 07:40:06,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:06" (1/1) ... [2021-10-13 07:40:06,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:06" (1/1) ... [2021-10-13 07:40:06,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:06" (1/1) ... [2021-10-13 07:40:06,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:06" (1/1) ... [2021-10-13 07:40:06,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:06" (1/1) ... [2021-10-13 07:40:06,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:40:06,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:40:06,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:40:06,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:40:06,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:06" (1/1) ... [2021-10-13 07:40:06,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:40:07,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:40:07,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:40:07,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:40:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:40:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:40:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:40:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:40:16,227 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:40:16,228 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 07:40:16,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:40:16 BoogieIcfgContainer [2021-10-13 07:40:16,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:40:16,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:40:16,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:40:16,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:40:16,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:40:06" (1/3) ... [2021-10-13 07:40:16,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2a4a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:40:16, skipping insertion in model container [2021-10-13 07:40:16,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:06" (2/3) ... [2021-10-13 07:40:16,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2a4a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:40:16, skipping insertion in model container [2021-10-13 07:40:16,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:40:16" (3/3) ... [2021-10-13 07:40:16,246 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label48.c [2021-10-13 07:40:16,252 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:40:16,253 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:40:16,317 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:40:16,325 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, mConcurrency=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 [2021-10-13 07:40:16,325 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:40:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 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) [2021-10-13 07:40:16,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 07:40:16,346 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:40:16,346 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-13 07:40:16,347 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:40:16,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:40:16,353 INFO L82 PathProgramCache]: Analyzing trace with hash 885978479, now seen corresponding path program 1 times [2021-10-13 07:40:16,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:40:16,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901328752] [2021-10-13 07:40:16,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:40:16,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:40:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:40:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:16,583 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:40:16,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901328752] [2021-10-13 07:40:16,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901328752] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:40:16,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:40:16,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 07:40:16,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590457788] [2021-10-13 07:40:16,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:40:16,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:40:16,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:40:16,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:40:16,609 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 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 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:16,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:40:16,667 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-10-13 07:40:16,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:40:16,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-13 07:40:16,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:40:16,677 INFO L225 Difference]: With dead ends: 23 [2021-10-13 07:40:16,677 INFO L226 Difference]: Without dead ends: 11 [2021-10-13 07:40:16,680 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:40:16,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-13 07:40:16,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-13 07:40:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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) [2021-10-13 07:40:16,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-10-13 07:40:16,715 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2021-10-13 07:40:16,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:40:16,716 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2021-10-13 07:40:16,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:16,716 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-10-13 07:40:16,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 07:40:16,717 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:40:16,717 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2021-10-13 07:40:16,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:40:16,718 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:40:16,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:40:16,719 INFO L82 PathProgramCache]: Analyzing trace with hash -359449886, now seen corresponding path program 1 times [2021-10-13 07:40:16,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:40:16,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591201697] [2021-10-13 07:40:16,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:40:16,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:40:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:40:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:17,387 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:40:17,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591201697] [2021-10-13 07:40:17,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591201697] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 07:40:17,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888006444] [2021-10-13 07:40:17,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:40:17,389 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:40:17,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:40:17,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:40:17,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 07:40:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:40:17,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 07:40:17,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:40:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:32,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:40:54,970 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-10-13 07:40:54,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1172040364] [2021-10-13 07:40:54,999 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-10-13 07:40:55,008 INFO L166 IcfgInterpreter]: Building call graph [2021-10-13 07:40:55,014 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-13 07:40:55,021 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-13 07:40:55,022 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-13 07:40:55,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:40:55,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:40:55,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:40:55,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-13 07:40:55,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:40:55,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:40:55,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-13 07:40:55,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-10-13 07:40:55,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:40:55,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:40:55,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:40:55,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-13 07:40:55,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:40:55,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-13 07:40:55,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:40:55,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-13 07:40:55,125 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-13 07:40:55,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:55,145 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:40:55,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:40:55,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-10-13 07:40:55,150 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-13 07:40:55,151 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:149, output treesize:152 [2021-10-13 07:40:55,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:40:55,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:40:55,379 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |v_#valid_10| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.predicate(SymbolicTools.java:174) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-13 07:40:55,384 INFO L168 Benchmark]: Toolchain (without parser) took 49291.38 ms. Allocated memory was 94.4 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 55.8 MB in the beginning and 799.8 MB in the end (delta: -743.9 MB). Peak memory consumption was 352.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:40:55,385 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory is still 73.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:40:55,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.32 ms. Allocated memory is still 94.4 MB. Free memory was 55.6 MB in the beginning and 53.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:40:55,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.69 ms. Allocated memory is still 94.4 MB. Free memory was 53.9 MB in the beginning and 45.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:40:55,387 INFO L168 Benchmark]: Boogie Preprocessor took 135.89 ms. Allocated memory is still 94.4 MB. Free memory was 45.8 MB in the beginning and 41.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:40:55,388 INFO L168 Benchmark]: RCFGBuilder took 9252.01 ms. Allocated memory was 94.4 MB in the beginning and 295.7 MB in the end (delta: 201.3 MB). Free memory was 41.0 MB in the beginning and 213.8 MB in the end (delta: -172.9 MB). Peak memory consumption was 179.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:40:55,389 INFO L168 Benchmark]: TraceAbstraction took 39147.41 ms. Allocated memory was 295.7 MB in the beginning and 1.2 GB in the end (delta: 895.5 MB). Free memory was 212.9 MB in the beginning and 799.8 MB in the end (delta: -586.9 MB). Peak memory consumption was 308.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:40:55,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory is still 73.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 622.32 ms. Allocated memory is still 94.4 MB. Free memory was 55.6 MB in the beginning and 53.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 126.69 ms. Allocated memory is still 94.4 MB. Free memory was 53.9 MB in the beginning and 45.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 135.89 ms. Allocated memory is still 94.4 MB. Free memory was 45.8 MB in the beginning and 41.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9252.01 ms. Allocated memory was 94.4 MB in the beginning and 295.7 MB in the end (delta: 201.3 MB). Free memory was 41.0 MB in the beginning and 213.8 MB in the end (delta: -172.9 MB). Peak memory consumption was 179.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 39147.41 ms. Allocated memory was 295.7 MB in the beginning and 1.2 GB in the end (delta: 895.5 MB). Free memory was 212.9 MB in the beginning and 799.8 MB in the end (delta: -586.9 MB). Peak memory consumption was 308.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#valid_10| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#valid_10|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 07:40:55,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:40:58,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:40:58,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:40:58,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:40:58,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:40:58,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:40:58,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:40:58,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:40:58,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:40:58,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:40:58,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:40:58,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:40:58,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:40:58,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:40:58,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:40:58,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:40:58,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:40:58,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:40:58,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:40:58,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:40:58,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:40:58,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:40:58,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:40:58,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:40:58,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:40:58,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:40:58,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:40:58,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:40:58,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:40:58,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:40:58,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:40:58,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:40:58,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:40:58,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:40:58,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:40:58,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:40:58,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:40:58,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:40:58,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:40:58,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:40:58,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:40:58,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:40:58,400 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:40:58,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:40:58,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:40:58,403 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:40:58,403 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:40:58,403 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:40:58,404 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:40:58,404 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:40:58,404 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:40:58,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:40:58,407 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:40:58,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:40:58,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:40:58,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:40:58,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:40:58,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:40:58,409 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:40:58,409 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:40:58,409 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:40:58,409 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:40:58,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:40:58,410 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:40:58,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:40:58,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:40:58,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:40:58,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:40:58,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:40:58,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:40:58,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:40:58,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:40:58,412 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:40:58,413 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:40:58,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:40:58,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:40:58,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:40:58,414 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11a8cf9d4cca93a44d0121e3dae11c57b51416e6 [2021-10-13 07:40:58,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:40:58,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:40:58,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:40:58,860 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:40:58,861 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:40:58,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/eca-rers2012/Problem10_label48.c [2021-10-13 07:40:58,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/data/ca5dc403d/46b7db858a4843b190c6e587f0813a65/FLAG439e5cd8d [2021-10-13 07:40:59,761 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:40:59,761 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/sv-benchmarks/c/eca-rers2012/Problem10_label48.c [2021-10-13 07:40:59,777 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/data/ca5dc403d/46b7db858a4843b190c6e587f0813a65/FLAG439e5cd8d [2021-10-13 07:40:59,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/data/ca5dc403d/46b7db858a4843b190c6e587f0813a65 [2021-10-13 07:40:59,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:40:59,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:40:59,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:40:59,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:40:59,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:40:59,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:40:59" (1/1) ... [2021-10-13 07:40:59,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0aaa33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:59, skipping insertion in model container [2021-10-13 07:40:59,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:40:59" (1/1) ... [2021-10-13 07:40:59,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:41:00,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:41:00,275 WARN L228 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_a0451f52-b207-4983-870d-853d89cd39cf/sv-benchmarks/c/eca-rers2012/Problem10_label48.c[1104,1117] [2021-10-13 07:41:00,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:41:00,702 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:41:00,721 WARN L228 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_a0451f52-b207-4983-870d-853d89cd39cf/sv-benchmarks/c/eca-rers2012/Problem10_label48.c[1104,1117] [2021-10-13 07:41:00,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:41:00,958 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:41:00,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:41:00 WrapperNode [2021-10-13 07:41:00,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:41:00,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:41:00,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:41:00,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:41:00,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:41:00" (1/1) ... [2021-10-13 07:41:00,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:41:00" (1/1) ... [2021-10-13 07:41:01,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:41:01,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:41:01,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:41:01,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:41:01,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:41:00" (1/1) ... [2021-10-13 07:41:01,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:41:00" (1/1) ... [2021-10-13 07:41:01,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:41:00" (1/1) ... [2021-10-13 07:41:01,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:41:00" (1/1) ... [2021-10-13 07:41:01,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:41:00" (1/1) ... [2021-10-13 07:41:01,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:41:00" (1/1) ... [2021-10-13 07:41:01,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:41:00" (1/1) ... [2021-10-13 07:41:01,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:41:01,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:41:01,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:41:01,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:41:01,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:41:00" (1/1) ... [2021-10-13 07:41:01,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:41:01,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:41:01,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:41:01,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:41:01,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:41:01,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:41:01,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:41:01,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:41:04,749 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:41:04,750 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 07:41:04,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:41:04 BoogieIcfgContainer [2021-10-13 07:41:04,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:41:04,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:41:04,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:41:04,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:41:04,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:40:59" (1/3) ... [2021-10-13 07:41:04,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240cd20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:41:04, skipping insertion in model container [2021-10-13 07:41:04,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:41:00" (2/3) ... [2021-10-13 07:41:04,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240cd20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:41:04, skipping insertion in model container [2021-10-13 07:41:04,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:41:04" (3/3) ... [2021-10-13 07:41:04,769 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label48.c [2021-10-13 07:41:04,776 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:41:04,776 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:41:04,845 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:41:04,853 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, mConcurrency=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 [2021-10-13 07:41:04,854 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:41:04,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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) [2021-10-13 07:41:04,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 07:41:04,896 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:41:04,896 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:41:04,897 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:41:04,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:41:04,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1810726993, now seen corresponding path program 1 times [2021-10-13 07:41:04,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:41:04,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668315181] [2021-10-13 07:41:04,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:41:04,946 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:41:04,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:41:04,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:41:04,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:41:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:41:05,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:41:05,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:41:05,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:41:05,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:41:05,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:41:05,237 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:41:05,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668315181] [2021-10-13 07:41:05,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [668315181] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:41:05,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:41:05,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:41:05,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716788161] [2021-10-13 07:41:05,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:41:05,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:41:05,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:41:05,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:41:05,276 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:41:10,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:41:10,608 INFO L93 Difference]: Finished difference Result 694 states and 1246 transitions. [2021-10-13 07:41:10,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:41:10,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-13 07:41:10,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:41:10,641 INFO L225 Difference]: With dead ends: 694 [2021-10-13 07:41:10,642 INFO L226 Difference]: Without dead ends: 421 [2021-10-13 07:41:10,663 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:41:10,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-13 07:41:10,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-10-13 07:41:10,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.4785714285714286) internal successors, (621), 420 states have internal predecessors, (621), 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) [2021-10-13 07:41:10,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 621 transitions. [2021-10-13 07:41:10,741 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 621 transitions. Word has length 7 [2021-10-13 07:41:10,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:41:10,741 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 621 transitions. [2021-10-13 07:41:10,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:41:10,742 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 621 transitions. [2021-10-13 07:41:10,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-13 07:41:10,746 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:41:10,746 INFO L512 BasicCegarLoop]: trace histogram [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, 1] [2021-10-13 07:41:10,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 07:41:10,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:41:10,963 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:41:10,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:41:10,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1000824, now seen corresponding path program 1 times [2021-10-13 07:41:10,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:41:10,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370495705] [2021-10-13 07:41:10,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:41:10,968 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:41:10,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:41:10,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:41:10,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:41:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:41:11,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:41:11,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:41:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:41:11,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:41:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:41:14,356 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:41:14,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370495705] [2021-10-13 07:41:14,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370495705] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 07:41:14,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 07:41:14,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 07:41:14,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056142321] [2021-10-13 07:41:14,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:41:14,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:41:14,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:41:14,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:41:14,361 INFO L87 Difference]: Start difference. First operand 421 states and 621 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 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) [2021-10-13 07:42:03,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:42:03,868 INFO L93 Difference]: Finished difference Result 1535 states and 2262 transitions. [2021-10-13 07:42:03,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:42:03,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 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 82 [2021-10-13 07:42:03,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:42:03,880 INFO L225 Difference]: With dead ends: 1535 [2021-10-13 07:42:03,881 INFO L226 Difference]: Without dead ends: 1116 [2021-10-13 07:42:03,883 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 155.9ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:42:03,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-10-13 07:42:03,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2021-10-13 07:42:03,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.4426229508196722) internal successors, (1408), 976 states have internal predecessors, (1408), 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) [2021-10-13 07:42:03,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1408 transitions. [2021-10-13 07:42:03,940 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1408 transitions. Word has length 82 [2021-10-13 07:42:03,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:42:03,941 INFO L470 AbstractCegarLoop]: Abstraction has 977 states and 1408 transitions. [2021-10-13 07:42:03,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 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) [2021-10-13 07:42:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1408 transitions. [2021-10-13 07:42:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-13 07:42:03,950 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:42:03,950 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:42:03,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:42:04,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:42:04,153 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:42:04,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:42:04,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1953562999, now seen corresponding path program 1 times [2021-10-13 07:42:04,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:42:04,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301786175] [2021-10-13 07:42:04,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:42:04,156 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:42:04,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:42:04,160 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:42:04,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:42:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:42:04,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:42:04,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:42:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:42:06,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:42:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:42:10,781 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:42:10,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301786175] [2021-10-13 07:42:10,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1301786175] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:42:10,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [932776147] [2021-10-13 07:42:10,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:42:10,784 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:42:10,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:42:10,791 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:42:10,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-10-13 07:42:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:42:11,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 07:42:11,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:42:16,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:42:16,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:42:19,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:42:19,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [932776147] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:42:19,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928937321] [2021-10-13 07:42:19,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:42:19,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:42:19,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:42:19,758 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:42:19,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-13 07:42:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:42:20,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:42:20,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:42:23,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:42:23,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:42:27,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:42:27,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928937321] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:42:27,381 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-10-13 07:42:27,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [4, 4, 7, 7] total 19 [2021-10-13 07:42:27,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735153003] [2021-10-13 07:42:27,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:42:27,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:42:27,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:42:27,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2021-10-13 07:42:27,384 INFO L87 Difference]: Start difference. First operand 977 states and 1408 transitions. Second operand has 8 states, 8 states have (on average 22.75) internal successors, (182), 7 states have internal predecessors, (182), 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) [2021-10-13 07:42:33,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:42:33,588 INFO L93 Difference]: Finished difference Result 2651 states and 3708 transitions. [2021-10-13 07:42:33,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 07:42:33,599 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 7 states have internal predecessors, (182), 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 139 [2021-10-13 07:42:33,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:42:33,610 INFO L225 Difference]: With dead ends: 2651 [2021-10-13 07:42:33,610 INFO L226 Difference]: Without dead ends: 1676 [2021-10-13 07:42:33,612 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 832 GetRequests, 810 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1228.3ms TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2021-10-13 07:42:33,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2021-10-13 07:42:33,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1116. [2021-10-13 07:42:33,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.3964125560538116) internal successors, (1557), 1115 states have internal predecessors, (1557), 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) [2021-10-13 07:42:33,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1557 transitions. [2021-10-13 07:42:33,650 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1557 transitions. Word has length 139 [2021-10-13 07:42:33,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:42:33,651 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1557 transitions. [2021-10-13 07:42:33,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 7 states have internal predecessors, (182), 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) [2021-10-13 07:42:33,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1557 transitions. [2021-10-13 07:42:33,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-10-13 07:42:33,658 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:42:33,659 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:42:33,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:42:33,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:42:34,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:42:34,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:42:34,283 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:42:34,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:42:34,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1013524990, now seen corresponding path program 1 times [2021-10-13 07:42:34,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:42:34,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1030887120] [2021-10-13 07:42:34,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:42:34,285 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:42:34,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:42:34,286 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:42:34,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:42:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:42:35,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:42:35,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:42:36,470 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:42:36,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:42:39,995 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 27 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:42:39,996 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:42:39,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1030887120] [2021-10-13 07:42:39,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1030887120] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:42:39,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1375574533] [2021-10-13 07:42:39,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:42:39,996 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:42:39,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:42:39,997 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:42:39,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-13 07:42:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:42:41,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:42:41,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:42:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 72 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:42:43,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:42:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 72 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:42:45,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1375574533] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:42:45,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650095643] [2021-10-13 07:42:45,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:42:45,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:42:45,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:42:45,443 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:42:45,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-13 07:42:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:42:47,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:42:47,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:42:49,499 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:42:49,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:42:51,779 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:42:51,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650095643] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:42:51,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-10-13 07:42:51,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [4, 4, 8, 8] total 20 [2021-10-13 07:42:51,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075025080] [2021-10-13 07:42:51,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 07:42:51,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:42:51,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 07:42:51,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2021-10-13 07:42:51,783 INFO L87 Difference]: Start difference. First operand 1116 states and 1557 transitions. Second operand has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 6 states have internal predecessors, (151), 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) [2021-10-13 07:42:54,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:42:54,706 INFO L93 Difference]: Finished difference Result 2285 states and 3167 transitions. [2021-10-13 07:42:54,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:42:54,707 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 6 states have internal predecessors, (151), 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 151 [2021-10-13 07:42:54,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:42:54,716 INFO L225 Difference]: With dead ends: 2285 [2021-10-13 07:42:54,716 INFO L226 Difference]: Without dead ends: 1116 [2021-10-13 07:42:54,718 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 900 GetRequests, 879 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1180.7ms TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2021-10-13 07:42:54,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-10-13 07:42:54,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-10-13 07:42:54,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.389237668161435) internal successors, (1549), 1115 states have internal predecessors, (1549), 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) [2021-10-13 07:42:54,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1549 transitions. [2021-10-13 07:42:54,752 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1549 transitions. Word has length 151 [2021-10-13 07:42:54,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:42:54,753 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1549 transitions. [2021-10-13 07:42:54,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 6 states have internal predecessors, (151), 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) [2021-10-13 07:42:54,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1549 transitions. [2021-10-13 07:42:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-10-13 07:42:54,756 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:42:54,757 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 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] [2021-10-13 07:42:54,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:42:54,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:42:55,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-10-13 07:42:55,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:42:55,374 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:42:55,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:42:55,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1593190301, now seen corresponding path program 1 times [2021-10-13 07:42:55,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:42:55,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029659234] [2021-10-13 07:42:55,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:42:55,377 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:42:55,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:42:55,377 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:42:55,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:42:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:42:56,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:42:56,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:42:58,021 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:42:58,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:00,140 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:43:00,141 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:00,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029659234] [2021-10-13 07:43:00,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029659234] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:00,141 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:43:00,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:43:00,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556089152] [2021-10-13 07:43:00,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:43:00,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:00,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:43:00,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:43:00,148 INFO L87 Difference]: Start difference. First operand 1116 states and 1549 transitions. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 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) [2021-10-13 07:43:08,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:43:08,547 INFO L93 Difference]: Finished difference Result 2647 states and 3655 transitions. [2021-10-13 07:43:08,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:43:08,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 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 189 [2021-10-13 07:43:08,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:43:08,557 INFO L225 Difference]: With dead ends: 2647 [2021-10-13 07:43:08,558 INFO L226 Difference]: Without dead ends: 1533 [2021-10-13 07:43:08,560 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:43:08,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2021-10-13 07:43:08,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1533. [2021-10-13 07:43:08,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1532 states have (on average 1.349869451697128) internal successors, (2068), 1532 states have internal predecessors, (2068), 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) [2021-10-13 07:43:08,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 2068 transitions. [2021-10-13 07:43:08,609 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 2068 transitions. Word has length 189 [2021-10-13 07:43:08,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:43:08,609 INFO L470 AbstractCegarLoop]: Abstraction has 1533 states and 2068 transitions. [2021-10-13 07:43:08,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 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) [2021-10-13 07:43:08,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 2068 transitions. [2021-10-13 07:43:08,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-10-13 07:43:08,613 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:08,614 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:43:08,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:43:08,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:43:08,835 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:08,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:08,836 INFO L82 PathProgramCache]: Analyzing trace with hash -668568996, now seen corresponding path program 1 times [2021-10-13 07:43:08,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:08,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643133910] [2021-10-13 07:43:08,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:08,837 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:08,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:08,838 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:08,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 07:43:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:10,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:43:10,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:12,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:16,354 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:16,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643133910] [2021-10-13 07:43:16,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643133910] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:43:16,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1415562800] [2021-10-13 07:43:16,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:16,356 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:43:16,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:43:16,358 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:43:16,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-13 07:43:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:18,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 07:43:18,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:21,406 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 69 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:21,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:23,897 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 69 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:23,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1415562800] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:43:23,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692806676] [2021-10-13 07:43:23,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:23,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:43:23,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:43:23,899 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:43:23,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-13 07:43:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:26,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:43:26,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:29,373 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:29,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:32,222 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:32,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692806676] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:32,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-10-13 07:43:32,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [4, 4, 7, 7] total 19 [2021-10-13 07:43:32,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209203051] [2021-10-13 07:43:32,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 07:43:32,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:32,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 07:43:32,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2021-10-13 07:43:32,226 INFO L87 Difference]: Start difference. First operand 1533 states and 2068 transitions. Second operand has 7 states, 7 states have (on average 30.0) internal successors, (210), 6 states have internal predecessors, (210), 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) [2021-10-13 07:43:36,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:43:36,693 INFO L93 Difference]: Finished difference Result 3366 states and 4559 transitions. [2021-10-13 07:43:36,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:43:36,695 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 30.0) internal successors, (210), 6 states have internal predecessors, (210), 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 205 [2021-10-13 07:43:36,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:43:36,706 INFO L225 Difference]: With dead ends: 3366 [2021-10-13 07:43:36,707 INFO L226 Difference]: Without dead ends: 1974 [2021-10-13 07:43:36,709 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1226 GetRequests, 1207 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1094.0ms TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2021-10-13 07:43:36,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2021-10-13 07:43:36,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1811. [2021-10-13 07:43:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1811 states, 1810 states have (on average 1.3044198895027623) internal successors, (2361), 1810 states have internal predecessors, (2361), 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) [2021-10-13 07:43:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2361 transitions. [2021-10-13 07:43:36,779 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2361 transitions. Word has length 205 [2021-10-13 07:43:36,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:43:36,780 INFO L470 AbstractCegarLoop]: Abstraction has 1811 states and 2361 transitions. [2021-10-13 07:43:36,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.0) internal successors, (210), 6 states have internal predecessors, (210), 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) [2021-10-13 07:43:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2361 transitions. [2021-10-13 07:43:36,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-10-13 07:43:36,786 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:36,786 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:43:36,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:43:37,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-13 07:43:37,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2021-10-13 07:43:37,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:43:37,410 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:37,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:37,411 INFO L82 PathProgramCache]: Analyzing trace with hash -613161894, now seen corresponding path program 1 times [2021-10-13 07:43:37,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:37,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597967723] [2021-10-13 07:43:37,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:37,412 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:37,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:37,415 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:37,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 07:43:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:39,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:43:39,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 213 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:41,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 143 proven. 5 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-13 07:43:42,376 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:42,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597967723] [2021-10-13 07:43:42,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597967723] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:43:42,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1790481942] [2021-10-13 07:43:42,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:42,378 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:43:42,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:43:42,378 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:43:42,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-13 07:43:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:45,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:43:45,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 143 proven. 5 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-13 07:43:47,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 143 proven. 5 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-13 07:43:49,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1790481942] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:43:49,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653639413] [2021-10-13 07:43:49,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:49,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:43:49,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:43:49,324 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:43:49,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-13 07:43:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:52,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:43:52,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:55,253 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-13 07:43:55,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:57,719 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-13 07:43:57,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653639413] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:57,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-10-13 07:43:57,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [5, 4, 8, 8] total 20 [2021-10-13 07:43:57,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224876767] [2021-10-13 07:43:57,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 07:43:57,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:57,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 07:43:57,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2021-10-13 07:43:57,723 INFO L87 Difference]: Start difference. First operand 1811 states and 2361 transitions. Second operand has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 6 states have internal predecessors, (186), 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) [2021-10-13 07:44:01,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:44:01,168 INFO L93 Difference]: Finished difference Result 3436 states and 4473 transitions. [2021-10-13 07:44:01,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:44:01,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 6 states have internal predecessors, (186), 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 250 [2021-10-13 07:44:01,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:44:01,179 INFO L225 Difference]: With dead ends: 3436 [2021-10-13 07:44:01,179 INFO L226 Difference]: Without dead ends: 1672 [2021-10-13 07:44:01,182 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1494 GetRequests, 1474 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 569.1ms TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2021-10-13 07:44:01,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2021-10-13 07:44:01,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2021-10-13 07:44:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1671 states have (on average 1.289048473967684) internal successors, (2154), 1671 states have internal predecessors, (2154), 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) [2021-10-13 07:44:01,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2154 transitions. [2021-10-13 07:44:01,247 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2154 transitions. Word has length 250 [2021-10-13 07:44:01,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:44:01,248 INFO L470 AbstractCegarLoop]: Abstraction has 1672 states and 2154 transitions. [2021-10-13 07:44:01,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 6 states have internal predecessors, (186), 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) [2021-10-13 07:44:01,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2154 transitions. [2021-10-13 07:44:01,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-10-13 07:44:01,254 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:44:01,254 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 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, 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] [2021-10-13 07:44:01,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:01,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:01,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:01,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:44:01,879 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:44:01,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:44:01,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1423505226, now seen corresponding path program 1 times [2021-10-13 07:44:01,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:44:01,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319337601] [2021-10-13 07:44:01,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:01,881 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:44:01,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:44:01,882 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:44:01,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-13 07:44:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:05,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:44:05,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 9 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:06,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:39,948 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 9 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:39,948 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:44:39,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319337601] [2021-10-13 07:44:39,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319337601] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:44:39,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1515064611] [2021-10-13 07:44:39,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:39,949 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:44:39,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:44:39,950 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:44:39,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-10-13 07:44:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:44,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:44:44,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:45,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:45:01,168 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:45:01,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1515064611] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:45:01,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499694154] [2021-10-13 07:45:01,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:45:01,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:45:01,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:45:01,170 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:45:01,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-13 07:45:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:45:05,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:45:05,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:45:06,302 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 9 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:45:06,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:45:37,355 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 9 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:45:37,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499694154] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:45:37,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:45:37,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 4, 4, 3, 3] total 9 [2021-10-13 07:45:37,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744555838] [2021-10-13 07:45:37,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 07:45:37,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:45:37,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 07:45:37,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:45:37,359 INFO L87 Difference]: Start difference. First operand 1672 states and 2154 transitions. Second operand has 10 states, 10 states have (on average 74.9) internal successors, (749), 9 states have internal predecessors, (749), 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) [2021-10-13 07:49:48,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:49:48,605 INFO L93 Difference]: Finished difference Result 6539 states and 8429 transitions. [2021-10-13 07:49:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 07:49:48,607 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 74.9) internal successors, (749), 9 states have internal predecessors, (749), 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 250 [2021-10-13 07:49:48,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:49:48,637 INFO L225 Difference]: With dead ends: 6539 [2021-10-13 07:49:48,637 INFO L226 Difference]: Without dead ends: 5008 [2021-10-13 07:49:48,640 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1501 GetRequests, 1486 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 7251.0ms TimeCoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2021-10-13 07:49:48,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5008 states. [2021-10-13 07:49:48,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5008 to 3062. [2021-10-13 07:49:48,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3061 states have (on average 1.259719046063378) internal successors, (3856), 3061 states have internal predecessors, (3856), 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) [2021-10-13 07:49:48,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 3856 transitions. [2021-10-13 07:49:48,771 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 3856 transitions. Word has length 250 [2021-10-13 07:49:48,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:49:48,771 INFO L470 AbstractCegarLoop]: Abstraction has 3062 states and 3856 transitions. [2021-10-13 07:49:48,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 74.9) internal successors, (749), 9 states have internal predecessors, (749), 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) [2021-10-13 07:49:48,772 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 3856 transitions. [2021-10-13 07:49:48,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-10-13 07:49:48,786 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:49:48,787 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-13 07:49:48,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2021-10-13 07:49:49,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-10-13 07:49:49,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-13 07:49:49,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:49:49,401 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:49:49,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:49:49,402 INFO L82 PathProgramCache]: Analyzing trace with hash 363815952, now seen corresponding path program 1 times [2021-10-13 07:49:49,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:49:49,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1617392044] [2021-10-13 07:49:49,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:49:49,403 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:49:49,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:49:49,404 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:49:49,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-13 07:49:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:49:53,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:49:53,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:49:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 82 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:49:54,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:50:11,662 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 81 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:50:11,662 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:50:11,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1617392044] [2021-10-13 07:50:11,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1617392044] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:50:11,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [615170489] [2021-10-13 07:50:11,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:50:11,663 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:50:11,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:50:11,664 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:50:11,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-10-13 07:50:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:50:17,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:50:17,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:50:18,846 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-13 07:50:18,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:50:20,483 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-13 07:50:20,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [615170489] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:50:20,483 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:50:20,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4, 4] total 9 [2021-10-13 07:50:20,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645152316] [2021-10-13 07:50:20,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:50:20,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:50:20,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:50:20,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:50:20,486 INFO L87 Difference]: Start difference. First operand 3062 states and 3856 transitions. Second operand has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 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) [2021-10-13 07:50:30,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:50:30,291 INFO L93 Difference]: Finished difference Result 6261 states and 7895 transitions. [2021-10-13 07:50:30,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:50:30,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 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 255 [2021-10-13 07:50:30,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:50:30,311 INFO L225 Difference]: With dead ends: 6261 [2021-10-13 07:50:30,311 INFO L226 Difference]: Without dead ends: 3340 [2021-10-13 07:50:30,314 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1016 GetRequests, 1009 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 988.5ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:50:30,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2021-10-13 07:50:30,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 3340. [2021-10-13 07:50:30,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3340 states, 3339 states have (on average 1.220125786163522) internal successors, (4074), 3339 states have internal predecessors, (4074), 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) [2021-10-13 07:50:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 3340 states and 4074 transitions. [2021-10-13 07:50:30,436 INFO L78 Accepts]: Start accepts. Automaton has 3340 states and 4074 transitions. Word has length 255 [2021-10-13 07:50:30,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:50:30,440 INFO L470 AbstractCegarLoop]: Abstraction has 3340 states and 4074 transitions. [2021-10-13 07:50:30,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 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) [2021-10-13 07:50:30,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 4074 transitions. [2021-10-13 07:50:30,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-10-13 07:50:30,448 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:50:30,448 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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] [2021-10-13 07:50:30,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-10-13 07:50:30,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-10-13 07:50:30,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:50:30,870 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:50:30,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:50:30,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1784934117, now seen corresponding path program 1 times [2021-10-13 07:50:30,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:50:30,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113318837] [2021-10-13 07:50:30,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:50:30,873 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:50:30,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:50:30,874 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:50:30,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-10-13 07:50:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:50:35,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 07:50:35,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:50:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 10 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:50:42,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:14,141 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:14,141 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:14,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113318837] [2021-10-13 07:51:14,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1113318837] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 07:51:14,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 07:51:14,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 15 [2021-10-13 07:51:14,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170931017] [2021-10-13 07:51:14,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:51:14,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:14,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:51:14,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2021-10-13 07:51:14,144 INFO L87 Difference]: Start difference. First operand 3340 states and 4074 transitions. Second operand has 8 states, 8 states have (on average 34.625) internal successors, (277), 8 states have internal predecessors, (277), 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) [2021-10-13 07:51:18,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:18,273 INFO L93 Difference]: Finished difference Result 6254 states and 7704 transitions. [2021-10-13 07:51:18,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:51:18,273 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 34.625) internal successors, (277), 8 states have internal predecessors, (277), 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 277 [2021-10-13 07:51:18,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:18,288 INFO L225 Difference]: With dead ends: 6254 [2021-10-13 07:51:18,289 INFO L226 Difference]: Without dead ends: 3472 [2021-10-13 07:51:18,292 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 539 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 830.7ms TimeCoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2021-10-13 07:51:18,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3472 states. [2021-10-13 07:51:18,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3472 to 3472. [2021-10-13 07:51:18,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3472 states, 3471 states have (on average 1.2129069432440218) internal successors, (4210), 3471 states have internal predecessors, (4210), 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) [2021-10-13 07:51:18,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 3472 states and 4210 transitions. [2021-10-13 07:51:18,400 INFO L78 Accepts]: Start accepts. Automaton has 3472 states and 4210 transitions. Word has length 277 [2021-10-13 07:51:18,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:18,401 INFO L470 AbstractCegarLoop]: Abstraction has 3472 states and 4210 transitions. [2021-10-13 07:51:18,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 34.625) internal successors, (277), 8 states have internal predecessors, (277), 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) [2021-10-13 07:51:18,401 INFO L276 IsEmpty]: Start isEmpty. Operand 3472 states and 4210 transitions. [2021-10-13 07:51:18,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-10-13 07:51:18,407 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:18,408 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 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, 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] [2021-10-13 07:51:18,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:18,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:18,634 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:18,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:18,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1727993070, now seen corresponding path program 1 times [2021-10-13 07:51:18,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:18,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812458124] [2021-10-13 07:51:18,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:18,636 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:18,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:18,637 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:18,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-10-13 07:51:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:51:24,846 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:51:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:51:25,549 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 07:51:25,550 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:51:25,551 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:51:25,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:25,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:25,762 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:51:26,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:51:26 BoogieIcfgContainer [2021-10-13 07:51:26,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:51:26,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:51:26,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:51:26,097 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:51:26,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:41:04" (3/4) ... [2021-10-13 07:51:26,099 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 07:51:26,368 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:51:26,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:51:26,370 INFO L168 Benchmark]: Toolchain (without parser) took 626393.24 ms. Allocated memory was 67.1 MB in the beginning and 627.0 MB in the end (delta: 559.9 MB). Free memory was 45.0 MB in the beginning and 159.0 MB in the end (delta: -114.0 MB). Peak memory consumption was 444.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:26,371 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 67.1 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:51:26,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 981.67 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 44.8 MB in the beginning and 66.0 MB in the end (delta: -21.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:26,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.11 ms. Allocated memory is still 86.0 MB. Free memory was 66.0 MB in the beginning and 60.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:26,373 INFO L168 Benchmark]: Boogie Preprocessor took 133.36 ms. Allocated memory is still 86.0 MB. Free memory was 60.8 MB in the beginning and 56.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:26,373 INFO L168 Benchmark]: RCFGBuilder took 3527.48 ms. Allocated memory is still 86.0 MB. Free memory was 56.5 MB in the beginning and 47.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:26,374 INFO L168 Benchmark]: TraceAbstraction took 621340.99 ms. Allocated memory was 86.0 MB in the beginning and 627.0 MB in the end (delta: 541.1 MB). Free memory was 46.8 MB in the beginning and 195.6 MB in the end (delta: -148.8 MB). Peak memory consumption was 471.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:26,374 INFO L168 Benchmark]: Witness Printer took 272.05 ms. Allocated memory is still 627.0 MB. Free memory was 195.6 MB in the beginning and 159.0 MB in the end (delta: 36.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:26,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 67.1 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 981.67 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 44.8 MB in the beginning and 66.0 MB in the end (delta: -21.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.11 ms. Allocated memory is still 86.0 MB. Free memory was 66.0 MB in the beginning and 60.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 133.36 ms. Allocated memory is still 86.0 MB. Free memory was 60.8 MB in the beginning and 56.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3527.48 ms. Allocated memory is still 86.0 MB. Free memory was 56.5 MB in the beginning and 47.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 621340.99 ms. Allocated memory was 86.0 MB in the beginning and 627.0 MB in the end (delta: 541.1 MB). Free memory was 46.8 MB in the beginning and 195.6 MB in the end (delta: -148.8 MB). Peak memory consumption was 471.7 MB. Max. memory is 16.1 GB. * Witness Printer took 272.05 ms. Allocated memory is still 627.0 MB. Free memory was 195.6 MB in the beginning and 159.0 MB in the end (delta: 36.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 35]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int inputC = 3; [L18] int inputD = 4; [L19] int inputE = 5; [L20] int inputF = 6; [L21] int inputB = 2; [L24] int a1 = 23; [L25] int a19 = 9; [L26] int a10 = 0; [L27] int a12 = 0; [L28] int a4 = 14; VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L589] int output = -1; VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L592] COND TRUE 1 [L595] int input; [L596] input = __VERIFIER_nondet_int() [L597] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L31] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L34] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L37] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L40] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L43] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L46] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L49] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L52] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L55] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L58] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L61] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L64] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L67] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L70] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L73] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L76] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L79] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L82] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L85] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L88] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L91] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L94] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L97] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L100] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L103] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L106] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L109] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L112] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L115] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L118] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L121] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L124] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L127] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L130] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L133] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L136] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L139] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L142] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L145] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L148] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L151] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L154] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L157] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L160] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L163] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L166] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L169] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L172] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L175] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L178] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L181] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L184] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L187] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L190] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L193] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L196] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L199] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L202] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L205] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L208] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L211] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L215] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L220] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L225] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L230] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L235] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L241] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L246] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L249] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L254] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L259] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L264] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L270] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L275] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L281] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L287] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L293] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L296] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L301] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L306] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L311] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L316] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L322] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L327] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L330] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L333] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L336] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L339] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L345] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L350] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L355] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L361] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L364] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L367] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L370] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L375] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L380] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L385] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L388] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L393] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L398] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L403] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L408] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L413] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L418] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L424] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L429] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L435] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L440] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L446] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L452] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L458] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L464] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L470] COND FALSE !(((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L475] COND FALSE !(((a10==0) && ((a12==0) && ((((input == 5) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a4==14))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L481] COND FALSE !(( 218 < a1 && (((((input == 3) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10)))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L486] COND FALSE !((((a12==0) && ((a19==9) && (((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a4==14)))) && (a10==3))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L491] COND FALSE !((((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L497] COND FALSE !((((a19==10) && ((a10==1) && ((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (input == 5))))) && (a4==14))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L503] COND FALSE !(((((a10==1) && (((input == 5) && 218 < a1 ) && (a4==14))) && (a19==10)) && (a12==0))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L509] COND FALSE !((((a4==14) && ((a19==9) && ((input == 2) && (((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 ))))) && (a12==0))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L514] COND FALSE !((((a4==14) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 2))) && (a12==0))) && (a10==4))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L519] COND FALSE !(((a4==14) && (((a19==9) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 6)) && (a10==3))) && (a12==0)))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L524] COND FALSE !((((a4==14) && ((((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a12==0))) && (a10==0))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L527] COND FALSE !(((a12==0) && ((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 2)) && (a19==10))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L533] COND FALSE !((((a12==0) && ((a19==9) && ((a10==2) && ((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))))) && (a4==14))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L536] COND FALSE !(((a4==14) && ((a19==9) && ((a12==0) && (((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L539] COND FALSE !(((a19==9) && (((a10==1) && ((a12==0) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )))) && (a4==14)))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L544] COND FALSE !(((a19==9) && ((a4==14) && ((a10==1) && (((input == 5) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a12==0)))))) VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L550] COND TRUE ((a12==0) && (((((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a19==9)) && (a4==14)) && (a10==0))) [L551] a1 = (((((a1 + -272193) - -47605) - -570122) % 89)+ 110) [L552] a10 = 1 [L554] return 25; VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L600] output = calculate_output(input) [L592] COND TRUE 1 [L595] int input; [L596] input = __VERIFIER_nondet_int() [L597] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L31] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L34] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L37] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L40] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L43] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L46] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L49] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L52] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L55] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L58] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L61] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L64] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L67] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L70] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L73] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L76] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L79] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L82] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L85] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L88] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L91] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L94] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L97] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L100] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L103] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L106] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L109] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L112] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L115] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L118] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L121] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L124] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L127] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L130] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L133] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L136] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L139] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L142] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L145] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L148] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L151] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L154] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L157] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L160] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L163] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L166] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L169] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L172] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L175] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L178] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L181] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L184] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L187] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L190] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L193] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L196] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L199] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L202] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L205] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L208] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L211] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L215] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L220] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L225] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L230] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L235] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L241] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L246] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L249] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L254] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L259] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L264] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L270] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L275] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L281] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L287] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L293] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L296] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L301] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L306] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L311] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L316] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L322] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L327] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L330] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L333] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L336] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L339] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L345] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L350] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L355] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L361] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L364] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L367] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) VAL [a1=169, a10=1, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L370] COND TRUE ((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)))))) [L371] a1 = ((((a1 - 46038) + -455425) * 10)/ 9) [L372] a19 = 10 [L374] return 24; VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L600] output = calculate_output(input) [L592] COND TRUE 1 [L595] int input; [L596] input = __VERIFIER_nondet_int() [L597] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L31] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L34] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L37] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L40] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L43] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L46] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L49] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L52] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L55] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L58] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L61] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L64] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L67] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L70] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L73] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L76] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L79] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L82] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L85] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L88] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L91] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L94] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L97] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L100] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L103] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L106] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L109] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L112] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L115] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L118] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L121] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L124] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L127] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L130] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L133] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L136] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L139] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L142] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L145] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L148] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L151] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L154] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L157] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L160] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L163] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L166] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L169] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L172] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L175] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L178] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L181] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L184] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L187] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L190] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L193] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L196] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L199] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L202] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L205] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L208] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L211] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L215] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L220] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L225] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L230] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) VAL [a1=4294410303, a10=1, a12=0, a19=10, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L235] COND TRUE ((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0))) [L236] a1 = (((((a1 - 0) * 9)/ 10) % 25)- -12) [L237] a10 = 2 [L238] a19 = 8 [L240] return -1; VAL [a1=4294967290, a10=2, a12=0, a19=8, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L600] output = calculate_output(input) [L592] COND TRUE 1 [L595] int input; [L596] input = __VERIFIER_nondet_int() [L597] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L31] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [a1=4294967290, a10=2, a12=0, a19=8, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L34] COND TRUE (((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8)) VAL [a1=4294967290, a10=2, a12=0, a19=8, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L35] reach_error() VAL [a1=4294967290, a10=2, a12=0, a19=8, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 620916.5ms, OverallIterations: 11, TraceHistogramMax: 4, EmptinessCheckTime: 77.2ms, AutomataDifference: 345721.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 27.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 424 SDtfs, 3074 SDslu, 179 SDs, 0 SdLazy, 9820 SolverSat, 2034 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 318591.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8071 GetRequests, 7946 SyntacticMatches, 5 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 554 ImplicationChecksByTransitivity, 13339.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=3472occurred in iteration=10, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 733.2ms AutomataMinimizationTime, 10 MinimizatonAttempts, 2808 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 401.7ms SsaConstructionTime, 3057.6ms SatisfiabilityAnalysisTime, 211921.6ms InterpolantComputationTime, 4357 NumberOfCodeBlocks, 4357 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 8058 ConstructedInterpolants, 0 QuantifiedInterpolants, 95489 SizeOfPredicates, 96 NumberOfNonLiveVariables, 5252 ConjunctsInSsa, 137 ConjunctsInUnsatCore, 42 InterpolantComputations, 16 PerfectInterpolantSequences, 2638/4234 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! [2021-10-13 07:51:26,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0451f52-b207-4983-870d-853d89cd39cf/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...