./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2018/Problem11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 940624650400628fbc547d76c7cce642a9063fb1576962b71733623b165f113e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:01:09,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:01:09,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:01:09,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:01:09,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:01:09,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:01:09,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:01:09,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:01:09,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:01:09,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:01:09,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:01:09,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:01:09,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:01:09,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:01:09,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:01:09,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:01:09,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:01:09,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:01:09,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:01:09,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:01:09,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:01:09,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:01:09,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:01:09,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:01:09,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:01:09,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:01:09,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:01:09,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:01:09,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:01:09,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:01:09,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:01:09,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:01:09,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:01:09,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:01:09,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:01:09,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:01:09,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:01:09,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:01:09,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:01:09,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:01:09,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:01:09,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:01:09,840 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:01:09,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:01:09,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:01:09,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:01:09,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:01:09,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:01:09,842 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:01:09,842 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:01:09,842 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:01:09,842 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:01:09,842 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:01:09,843 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:01:09,843 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:01:09,843 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:01:09,843 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:01:09,843 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:01:09,844 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:01:09,844 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:01:09,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:01:09,845 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:01:09,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:01:09,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:01:09,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:01:09,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:01:09,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:01:09,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:01:09,846 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:01:09,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:01:09,846 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:01:09,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:01:09,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:01:09,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:01:09,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:01:09,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:01:09,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:01:09,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:01:09,848 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:01:09,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:01:09,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:01:09,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:01:09,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:01:09,849 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_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 940624650400628fbc547d76c7cce642a9063fb1576962b71733623b165f113e [2021-11-25 20:01:10,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:01:10,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:01:10,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:01:10,160 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:01:10,161 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:01:10,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/eca-rers2018/Problem11.c [2021-11-25 20:01:10,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/data/c5f7ba9c3/3930deb8c9f24715a4fe2bccb98f2b61/FLAGe2398de31 [2021-11-25 20:01:10,965 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:01:10,965 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/sv-benchmarks/c/eca-rers2018/Problem11.c [2021-11-25 20:01:10,990 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/data/c5f7ba9c3/3930deb8c9f24715a4fe2bccb98f2b61/FLAGe2398de31 [2021-11-25 20:01:11,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/data/c5f7ba9c3/3930deb8c9f24715a4fe2bccb98f2b61 [2021-11-25 20:01:11,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:01:11,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:01:11,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:01:11,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:01:11,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:01:11,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:01:11" (1/1) ... [2021-11-25 20:01:11,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c0b451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:11, skipping insertion in model container [2021-11-25 20:01:11,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:01:11" (1/1) ... [2021-11-25 20:01:11,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:01:11,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:01:11,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/sv-benchmarks/c/eca-rers2018/Problem11.c[778,791] [2021-11-25 20:01:11,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/sv-benchmarks/c/eca-rers2018/Problem11.c[817,830] [2021-11-25 20:01:12,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:01:12,495 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:01:12,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/sv-benchmarks/c/eca-rers2018/Problem11.c[778,791] [2021-11-25 20:01:12,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/sv-benchmarks/c/eca-rers2018/Problem11.c[817,830] [2021-11-25 20:01:12,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:01:12,726 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:01:12,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:12 WrapperNode [2021-11-25 20:01:12,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:01:12,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:01:12,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:01:12,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:01:12,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:12" (1/1) ... [2021-11-25 20:01:12,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:12" (1/1) ... [2021-11-25 20:01:13,085 INFO L137 Inliner]: procedures = 286, calls = 252, calls flagged for inlining = 148, calls inlined = 148, statements flattened = 2260 [2021-11-25 20:01:13,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:01:13,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:01:13,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:01:13,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:01:13,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:12" (1/1) ... [2021-11-25 20:01:13,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:12" (1/1) ... [2021-11-25 20:01:13,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:12" (1/1) ... [2021-11-25 20:01:13,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:12" (1/1) ... [2021-11-25 20:01:13,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:12" (1/1) ... [2021-11-25 20:01:13,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:12" (1/1) ... [2021-11-25 20:01:13,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:12" (1/1) ... [2021-11-25 20:01:13,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:01:13,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:01:13,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:01:13,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:01:13,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:12" (1/1) ... [2021-11-25 20:01:13,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:01:13,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:01:13,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:01:13,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:01:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:01:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_a [2021-11-25 20:01:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_a [2021-11-25 20:01:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_b [2021-11-25 20:01:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_b [2021-11-25 20:01:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:01:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:01:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:01:13,791 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:01:13,802 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:02:03,731 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:02:20,262 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:02:20,263 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 20:02:20,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:02:20 BoogieIcfgContainer [2021-11-25 20:02:20,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:02:20,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:02:20,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:02:20,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:02:20,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:01:11" (1/3) ... [2021-11-25 20:02:20,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c08d704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:02:20, skipping insertion in model container [2021-11-25 20:02:20,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:12" (2/3) ... [2021-11-25 20:02:20,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c08d704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:02:20, skipping insertion in model container [2021-11-25 20:02:20,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:02:20" (3/3) ... [2021-11-25 20:02:20,299 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11.c [2021-11-25 20:02:20,304 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:02:20,305 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 20:02:20,354 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:02:20,361 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:02:20,362 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 20:02:20,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 312 states, 207 states have (on average 1.502415458937198) internal successors, (311), 209 states have internal predecessors, (311), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2021-11-25 20:02:20,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 20:02:20,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:02:20,396 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-25 20:02:20,397 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:02:20,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:02:20,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1702005715, now seen corresponding path program 1 times [2021-11-25 20:02:20,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:02:20,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569342022] [2021-11-25 20:02:20,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:02:20,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:02:20,812 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:02:20,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [360401036] [2021-11-25 20:02:20,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:02:20,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:02:20,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:02:20,822 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:02:20,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:02:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:02:22,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-25 20:02:22,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:03:45,975 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:03:45,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569342022] [2021-11-25 20:03:45,977 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:03:45,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360401036] [2021-11-25 20:03:45,977 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-25 20:03:45,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1596056846] [2021-11-25 20:03:46,020 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-25 20:03:46,021 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:03:46,026 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:03:46,033 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:03:46,034 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:03:46,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 54 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 51 [2021-11-25 20:04:31,800 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:04:48,553 WARN L227 SmtUtils]: Spent 15.43s on a formula simplification that was a NOOP. DAG size: 561 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 20:04:48,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1596056846] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:04:48,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:04:48,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:04:48,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206677075] [2021-11-25 20:04:48,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:04:48,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:04:48,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:04:48,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:04:48,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:04:48,596 INFO L87 Difference]: Start difference. First operand has 312 states, 207 states have (on average 1.502415458937198) internal successors, (311), 209 states have internal predecessors, (311), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) Second operand has 5 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:04:50,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:04:56,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:04:56,142 INFO L93 Difference]: Finished difference Result 627 states and 1129 transitions. [2021-11-25 20:04:56,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:04:56,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-25 20:04:56,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:04:56,173 INFO L225 Difference]: With dead ends: 627 [2021-11-25 20:04:56,173 INFO L226 Difference]: Without dead ends: 312 [2021-11-25 20:04:56,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:04:56,183 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 106 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 102 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:04:56,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 410 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 513 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2021-11-25 20:04:56,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-11-25 20:04:56,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 310. [2021-11-25 20:04:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 208 states have (on average 1.4807692307692308) internal successors, (308), 307 states have internal predecessors, (308), 100 states have call successors, (100), 2 states have call predecessors, (100), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:04:56,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 408 transitions. [2021-11-25 20:04:56,244 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 408 transitions. Word has length 6 [2021-11-25 20:04:56,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:04:56,244 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 408 transitions. [2021-11-25 20:04:56,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:04:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 408 transitions. [2021-11-25 20:04:56,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-25 20:04:56,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:04:56,250 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:04:56,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:04:56,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 20:04:56,463 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:04:56,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:04:56,464 INFO L85 PathProgramCache]: Analyzing trace with hash -221923862, now seen corresponding path program 1 times [2021-11-25 20:04:56,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:04:56,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356300297] [2021-11-25 20:04:56,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:04:56,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:04:56,804 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:04:56,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743246773] [2021-11-25 20:04:56,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:04:56,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:04:56,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:04:56,811 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:04:56,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:04:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:04:58,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-25 20:04:59,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:04:59,483 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:04:59,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356300297] [2021-11-25 20:04:59,484 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:04:59,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743246773] [2021-11-25 20:04:59,484 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger: modulus not positive [2021-11-25 20:04:59,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1348032858] [2021-11-25 20:04:59,491 INFO L159 IcfgInterpreter]: Started Sifa with 107 locations of interest [2021-11-25 20:04:59,491 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:04:59,492 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:04:59,492 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:04:59,492 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:05:00,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 54 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 51 [2021-11-25 20:10:21,512 FATAL L? ?]: Ignoring exception! java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:162) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:243) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:233) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:119) 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.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) 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:610) 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:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) 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) [2021-11-25 20:10:21,515 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:10:21,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-25 20:10:21,516 ERROR L172 FreeRefinementEngine]: Strategy SIFA_TAIPAN failed to provide any proof altough trace is infeasible [2021-11-25 20:10:21,516 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-11-25 20:10:21,524 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-25 20:10:21,526 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-25 20:10:21,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:10:21,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:10:21,758 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-25 20:10:21,760 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 20:10:21,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:10:21 BoogieIcfgContainer [2021-11-25 20:10:21,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:10:21,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:10:21,826 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:10:21,826 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:10:21,826 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:02:20" (3/4) ... [2021-11-25 20:10:21,829 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 20:10:21,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:10:21,831 INFO L158 Benchmark]: Toolchain (without parser) took 550699.31ms. Allocated memory was 98.6MB in the beginning and 7.5GB in the end (delta: 7.4GB). Free memory was 63.0MB in the beginning and 6.5GB in the end (delta: -6.4GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2021-11-25 20:10:21,831 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:10:21,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1593.87ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 62.9MB in the beginning and 49.9MB in the end (delta: 13.0MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2021-11-25 20:10:21,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 357.79ms. Allocated memory is still 123.7MB. Free memory was 49.9MB in the beginning and 49.6MB in the end (delta: 236.6kB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-11-25 20:10:21,833 INFO L158 Benchmark]: Boogie Preprocessor took 320.57ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 49.6MB in the beginning and 87.4MB in the end (delta: -37.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-25 20:10:21,834 INFO L158 Benchmark]: RCFGBuilder took 66858.69ms. Allocated memory was 161.5MB in the beginning and 6.1GB in the end (delta: 6.0GB). Free memory was 87.4MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 788.6MB. Max. memory is 16.1GB. [2021-11-25 20:10:21,835 INFO L158 Benchmark]: TraceAbstraction took 481556.31ms. Allocated memory was 6.1GB in the beginning and 7.5GB in the end (delta: 1.4GB). Free memory was 5.9GB in the beginning and 6.5GB in the end (delta: -546.3MB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. [2021-11-25 20:10:21,835 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 7.5GB. Free memory is still 6.5GB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:10:21,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1593.87ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 62.9MB in the beginning and 49.9MB in the end (delta: 13.0MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 357.79ms. Allocated memory is still 123.7MB. Free memory was 49.9MB in the beginning and 49.6MB in the end (delta: 236.6kB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 320.57ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 49.6MB in the beginning and 87.4MB in the end (delta: -37.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 66858.69ms. Allocated memory was 161.5MB in the beginning and 6.1GB in the end (delta: 6.0GB). Free memory was 87.4MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 788.6MB. Max. memory is 16.1GB. * TraceAbstraction took 481556.31ms. Allocated memory was 6.1GB in the beginning and 7.5GB in the end (delta: 1.4GB). Free memory was 5.9GB in the beginning and 6.5GB in the end (delta: -546.3MB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 7.5GB. Free memory is still 6.5GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L118] int inputs[] = {7,10,6,2,5,3,9,4,8,1}; [L292] int a589117628 = 34; [L293] int a1290652559 = 4; [L294] int a236788248 = 16; [L295] int a1580522136 = 161; [L296] int a45685611 = 11; [L297] int a1889803145 = 118; [L298] int a910748832 = 36; [L299] int a471011792 = 10; [L300] int a946891643 = 5; [L301] int a665096794 = 11; [L302] int a850881173 = 141; [L303] int a2040628137 = 8; [L304] int a583510163 = 77; [L305] int a1859402009 = 14; [L306] int a268371874 = 51; [L307] int a837448621 = 32; [L308] int a824024208 = 32; [L309] int a1171576990 = 32; [L310] int a1422023390 = -4; [L311] int a1605463015 = 9; [L312] int a812175843 = 36; [L313] int a890181220 = 32; [L314] int a808219163 = 35; [L315] int a1210734340 = 58; [L316] int a1864015649 = 33; [L317] int a1944090451 = 34; [L318] int a412613099 = -28; [L319] int a2139179119 = 15; [L320] int cf = 1; [L321] int a648283191 = -108; [L322] int a71064409 = -168; [L323] int a499699109 = 3; [L324] int a1001390225 = -24; [L325] int a274381288 = 312; [L326] int a1218264876 = 32; [L327] int a1535937505 = 32; [L328] int a1879373572 = 32; [L329] int a2064844468 = 32; [L330] int a182175502 = 7; [L331] int a482477713 = 8; [L332] int a44138666 = 36; [L333] int a418218587 = 36; [L334] int a621522874 = 131; [L335] int a2083223046 = 35; [L336] int a1179664392 = 33; [L337] int a166920931 = 8; [L338] int a1684594625 = 108; [L339] int a1534902259 = 32; [L340] int a430318312 = 3; [L341] int a1821141922 = 35; [L342] int a835102539 = 5; [L343] int a2079503415 = 13; [L344] int a1071924404 = 34; [L345] int a2061255735 = 6; [L346] int a2122722213 = 2; [L347] int a552913881 = 520; [L348] int a173429297 = -35; [L349] int a763506461 = 0; [L350] int a635353122 = 1; [L351] int a1075927325 = 0; [L352] int a434613686 = 0; [L353] int a95561532 = 0; [L354] int a1487195600 = 1; [L355] int a275262794 = 0; [L356] int a273635060 = 1; [L357] int a1221017635 = 0; [L358] int a311962986 = 0; [L359] int a2084484762 = 0; [L360] int a460288454 = 0; [L361] int a418880267 = 1; [L362] int a1264277206 = 1; [L363] int a1355501303 = 1; [L364] int a547738254 = 0; [L365] int a1515611838 = 0; [L366] int a514396383 = 2; [L367] int a1955344686 = 0; [L368] int a220097023 = 1; [L369] int a1053339053 = 2; [L370] int a501521675 = 3; [L371] int a487646776 = 2; [L372] int a1716545843 = 0; [L373] int a51415461 = 3; [L374] int a1425431969 = 2; [L375] int a416125995 = 3; [L376] int a1498331231 = 1; [L377] int a1148381820 = 2; [L378] int a838736370 = 2; [L379] int a834109496 = 3; [L380] int a1859169403 = 0; [L381] int a1743588795 = 1; [L382] int a112204540 = 3; [L383] int a1347184625 = 1; [L2448] COND TRUE 1 [L2451] int input; [L2452] input = __VERIFIER_nondet_int() [L2454] COND FALSE !((input != 7) && (input != 10) && (input != 6) && (input != 2) && (input != 5) && (input != 3) && (input != 9) && (input != 4) && (input != 8) && (input != 1)) [L2456] CALL calculate_output(input) [L2364] cf = 1 [L2366] COND TRUE (a850881173 <= 37 && ((((a1210734340 <= 17 && (( cf==1 && a471011792 == 5) && a1001390225 <= -146)) && a1879373572 == 33) && a665096794 == 10) && a837448621 == 33)) [L2367] COND TRUE (a2061255735 == 5 && ((a182175502 == 6 && ((a2040628137 == 7 && (a412613099 <= -144 && (a44138666 == 36 && cf==1 ))) && a835102539 == 4)) && a665096794 == 10)) [L2368] CALL calculate_outputm5(input) [L833] COND FALSE !((((a1290652559 == 3 && ( cf==1 && a236788248 == 17)) && a1001390225 <= -146) && (((a412613099 <= -144 && a268371874 <= 28) && a2040628137 == 7) && a1879373572 == 33))) [L2368] RET calculate_outputm5(input) [L2371] COND FALSE !(((((28 < a268371874) && (76 >= a268371874)) && (a2061255735 == 6 && (((a182175502 == 7 && a837448621 == 32) && a1879373572 == 32) && a1171576990 == 32))) && (a471011792 == 6 && cf==1 ))) [L2385] COND TRUE (((a2061255735 == 7 && ((a471011792 == 7 && cf==1 ) && a1290652559 == 5)) && a665096794 == 12) && ((a2040628137 == 9 && a1879373572 == 34) && ((51 < a1001390225) && (148 >= a1001390225)))) [L2386] COND TRUE ((a2064844468 == 34 && a665096794 == 12) && (a1171576990 == 34 && (a890181220 == 34 && (a837448621 == 34 && (a1290652559 == 5 && (a418218587 == 32 && cf==1 )))))) [L2387] CALL calculate_outputm15(input) [L1277] COND FALSE !(((((523 < a621522874 && cf==1 ) && a182175502 == 8) && a837448621 == 34) && ((a1534902259 == 34 && (((184 < a850881173) && (386 >= a850881173)) && a2061255735 == 7)) && ((-18 < a412613099) && (36 >= a412613099))))) [L2387] RET calculate_outputm15(input) [L2390] COND TRUE ((a412613099 <= -144 && (a1290652559 == 3 && a182175502 == 6)) && ((a1534902259 == 33 && (a2061255735 == 5 && ( cf==1 && a471011792 == 8))) && a2064844468 == 33)) [L2391] COND TRUE ((((a665096794 == 10 && a837448621 == 33) && a583510163 <= 8) && a1171576990 == 33) && ((a1879373572 == 33 && ( cf==1 && a1179664392 == 33)) && a268371874 <= 28)) [L2392] CALL calculate_outputm19(input) [L1371] COND FALSE !(((((a665096794 == 10 && a583510163 <= 8) && a890181220 == 33) && a1171576990 == 33) && (a1001390225 <= -146 && ((a1605463015 == 10 && cf==1 ) && a1210734340 <= 17)))) [L2392] RET calculate_outputm19(input) [L2394] COND TRUE (((a1179664392 == 34 && cf==1 ) && a665096794 == 10) && (a837448621 == 33 && (a1879373572 == 33 && ((a2061255735 == 5 && a850881173 <= 37) && a268371874 <= 28)))) [L2395] CALL calculate_outputm21(input) [L1402] COND FALSE !(((( cf==1 && ((-77 < a71064409) && (127 >= a71064409))) && a1879373572 == 33) && (a1534902259 == 33 && (a1210734340 <= 17 && ((a1001390225 <= -146 && a665096794 == 10) && a835102539 == 4))))) [L2395] RET calculate_outputm21(input) [L2398] COND TRUE (((a1534902259 == 33 && (a1171576990 == 33 && a890181220 == 33)) && a665096794 == 10) && (a2061255735 == 5 && ((a471011792 == 9 && cf==1 ) && a268371874 <= 28))) [L2399] COND FALSE !(((( cf==1 && a236788248 == 14) && a1001390225 <= -146) && (a2061255735 == 5 && (a665096794 == 10 && ((a1171576990 == 33 && a850881173 <= 37) && a1534902259 == 33))))) [L2402] COND TRUE ((a182175502 == 6 && (a2040628137 == 7 && a1879373572 == 33)) && (a837448621 == 33 && (((a236788248 == 15 && cf==1 ) && a412613099 <= -144) && a835102539 == 4))) [L2403] CALL calculate_outputm28(input) [L1499] COND FALSE !(((((a1001390225 <= -146 && a412613099 <= -144) && a2064844468 == 33) && a835102539 == 4) && (a1210734340 <= 17 && ((a2079503415 == 10 && cf==1 ) && a1879373572 == 33)))) [L2403] RET calculate_outputm28(input) [L2405] COND FALSE !(((a1001390225 <= -146 && a890181220 == 33) && ((((a2061255735 == 5 && (a236788248 == 17 && cf==1 )) && a2064844468 == 33) && a850881173 <= 37) && a1210734340 <= 17))) [L2409] COND TRUE ((a1290652559 == 4 && (a1171576990 == 32 && ((37 < a850881173) && (184 >= a850881173)))) && ((a2064844468 == 32 && (((8 < a583510163) && (150 >= a583510163)) && (a471011792 == 10 && cf==1 ))) && a2040628137 == 8)) [L2410] COND TRUE ((a837448621 == 32 && ((a2040628137 == 8 && (a182175502 == 7 && ((37 < a850881173) && (184 >= a850881173)))) && a835102539 == 5)) && (((17 < a1210734340) && (187 >= a1210734340)) && ( cf==1 && ((383 < a552913881) && (501 >= a552913881))))) [L2411] CALL calculate_outputm32(input) [L1659] COND FALSE !((((((a837448621 == 32 && ((-144 < a412613099) && (-18 >= a412613099))) && a1879373572 == 32) && a890181220 == 32) && ((8 < a583510163) && (150 >= a583510163))) && ((a1179664392 == 32 && cf==1 ) && a2064844468 == 32))) [L2411] RET calculate_outputm32(input) [L2413] COND TRUE (((a1171576990 == 32 && (501 < a552913881 && cf==1 )) && a1290652559 == 4) && (a1879373572 == 32 && ((((8 < a583510163) && (150 >= a583510163)) && ((37 < a850881173) && (184 >= a850881173))) && a2040628137 == 8))) [L2414] CALL calculate_outputm33(input) [L1795] COND TRUE ((a835102539 == 5 && (((-144 < a412613099) && (-18 >= a412613099)) && a2061255735 == 6)) && ((a890181220 == 32 && (( cf==1 && ((80 < a274381288) && (206 >= a274381288))) && ((8 < a583510163) && (150 >= a583510163)))) && a2040628137 == 8)) [L1796] CALL calculate_outputm139(input) [L1664] COND FALSE !((((a1290652559 == 4 && a665096794 == 11) && a1534902259 == 32) && (a1171576990 == 32 && ((((input == 5) && cf==1 ) && ((17 < a1210734340) && (187 >= a1210734340))) && a182175502 == 7)))) [L1674] COND TRUE ((((((-146 < a1001390225) && (51 >= a1001390225)) && ((((17 < a1210734340) && (187 >= a1210734340)) && ((8 < a583510163) && (150 >= a583510163))) && a1171576990 == 32)) && a1879373572 == 32) && a835102539 == 5) && ( cf==1 && (input == 8))) [L1675] EXPR (a763506461 + 20) > a763506461 ? 4 : 0 [L1675] a763506461 += (a763506461 + 20) > a763506461 ? 4 : 0 [L1676] EXPR (a2084484762 + 20) > a2084484762 ? 6 : 0 [L1676] a2084484762 += (a2084484762 + 20) > a2084484762 ? 6 : 0 [L1677] EXPR (a418880267 - 20) < a418880267 ? 6 : 0 [L1677] a418880267 -= (a418880267 - 20) < a418880267 ? 6 : 0 [L1678] EXPR (a1264277206 + 20) > a1264277206 ? 4 : 0 [L1678] a1264277206 += (a1264277206 + 20) > a1264277206 ? 4 : 0 [L1679] EXPR (a1515611838 - 20) < a1515611838 ? 4 : 0 [L1679] a1515611838 -= (a1515611838 - 20) < a1515611838 ? 4 : 0 [L1680] EXPR (a416125995 + 20) > a416125995 ? 1 : 0 [L1680] a416125995 += (a416125995 + 20) > a416125995 ? 1 : 0 [L1681] EXPR (a834109496 + 20) > a834109496 ? 1 : 0 [L1681] a834109496 += (a834109496 + 20) > a834109496 ? 1 : 0 [L1682] cf = 0 [L1683] a2122722213 = (a2061255735 + -1) [L1684] a837448621 = 32 [L1685] a1580522136 = (((((((a268371874 * a1001390225) % 54) - -101) - 2977) * 5) % 54) - -154) [L1686] a471011792 = (a2061255735 + 6) [L1689] COND FALSE !(((((((input == 9) && cf==1 ) && ((-144 < a412613099) && (-18 >= a412613099))) && a890181220 == 32) && a1879373572 == 32) && (a1171576990 == 32 && (a2064844468 == 32 && ((-146 < a1001390225) && (51 >= a1001390225)))))) [L1700] COND FALSE !((((((a2064844468 == 32 && a1879373572 == 32) && a890181220 == 32) && a1171576990 == 32) && (a1534902259 == 32 && (((input == 3) && cf==1 ) && a2061255735 == 6))) && a1955344686 == 14)) [L1718] COND TRUE ((((((-146 < a1001390225) && (51 >= a1001390225)) && a1290652559 == 4) && ((-144 < a412613099) && (-18 >= a412613099))) && ((((37 < a850881173) && (184 >= a850881173)) && (( cf==1 && (input == 2)) && ((28 < a268371874) && (76 >= a268371874)))) && ((8 < a583510163) && (150 >= a583510163)))) && a514396383 == 7) [L1719] EXPR (a1515611838 + 20) > a1515611838 ? 3 : 0 [L1719] a1515611838 += (a1515611838 + 20) > a1515611838 ? 3 : 0 [L1720] cf = 0 [L1721] a236788248 = (a182175502 - -3) [L1722] a471011792 = (a2061255735 - -3) [L1723] a1290652559 = (a471011792 - 6) [L1724] a1001390225 = ((((((a1001390225 * a552913881) % 14999) % 14927) - 15072) * 1) + 0) [L1725] a1879373572 = 33 [L1726] a2040628137 = ((a2061255735 * a471011792) - 47) [L1727] a268371874 = ((((((a268371874 * a552913881) % 14999) + -21018) * 10) / 9) * 1) [L1728] a412613099 = ((((a412613099 * a583510163) - -20983) + -23071) + -5970) [L1729] a1210734340 = ((((((a1210734340 * a274381288) % 14999) + -17041) * 10) / 9) * 1) [L1730] a2061255735 = (a2040628137 - 2) [L1731] a850881173 = ((((a850881173 * a583510163) * 1) + 1428) / -5) [L1732] a665096794 = (a835102539 + 5) [L1733] a1534902259 = 33 [L1734] a1422023390 = ((((((a552913881 * a552913881) % 14999) / 5) - -7907) % 83) - 127) [L1735] a2064844468 = 33 [L1736] a890181220 = 33 [L1737] a1171576990 = 33 [L1738] a835102539 = (a236788248 - 6) [L1796] RET calculate_outputm139(input) [L1798] COND FALSE !(((a1534902259 == 32 && (a1879373572 == 32 && ((28 < a268371874) && (76 >= a268371874)))) && ((a835102539 == 5 && (a1171576990 == 32 && (301 < a274381288 && cf==1 ))) && a890181220 == 32))) [L2414] RET calculate_outputm33(input) [L2417] COND TRUE (((( cf==1 && a471011792 == 11) && ((28 < a268371874) && (76 >= a268371874))) && a1171576990 == 32) && (a1534902259 == 32 && ((((17 < a1210734340) && (187 >= a1210734340)) && a2064844468 == 32) && a182175502 == 7))) [L2418] COND FALSE !(((((a2061255735 == 6 && ((((-146 < a1001390225) && (51 >= a1001390225)) && ( cf==1 && ((116 < a621522874) && (330 >= a621522874)))) && ((17 < a1210734340) && (187 >= a1210734340)))) && a2040628137 == 8) && ((37 < a850881173) && (184 >= a850881173))) && ((8 < a583510163) && (150 >= a583510163)))) [L2421] COND TRUE ((((37 < a850881173) && (184 >= a850881173)) && (a837448621 == 32 && (a835102539 == 5 && ( cf==1 && ((330 < a621522874) && (523 >= a621522874)))))) && (a2040628137 == 8 && (a1879373572 == 32 && ((28 < a268371874) && (76 >= a268371874))))) [L2422] CALL calculate_outputm36(input) [L1989] COND TRUE ((a890181220 == 32 && (a824024208 == 36 && cf==1 )) && ((a2064844468 == 32 && ((((-144 < a412613099) && (-18 >= a412613099)) && a2040628137 == 8) && a1290652559 == 4)) && a1879373572 == 32)) [L1990] CALL calculate_outputm150(input) [L1852] COND TRUE ((((((input == 10) && cf==1 ) && a1534902259 == 32) && a1171576990 == 32) && (((a837448621 == 32 && a2040628137 == 8) && ((8 < a583510163) && (150 >= a583510163))) && a1290652559 == 4)) && a487646776 == 34) [L1853] EXPR (a834109496 - 20) < a834109496 ? 4 : 0 [L1853] a834109496 -= (a834109496 - 20) < a834109496 ? 4 : 0 [L1854] cf = 0 [L1855] a1179664392 = 33 [L1856] a837448621 = 33 [L1857] a182175502 = (a835102539 + 1) [L1858] a471011792 = ((a665096794 - a835102539) + 2) [L1859] a1534902259 = 33 [L1860] a583510163 = ((((a583510163 * a1210734340) + -28092) - 173) * 1) [L1861] a2040628137 = ((a835102539 + a471011792) - 6) [L1862] a1605463015 = ((a2061255735 / a1290652559) - -7) [L1863] a2061255735 = (a182175502 + -1) [L1864] a1879373572 = 33 [L1865] a1171576990 = 33 [L1866] a665096794 = ((a182175502 + a182175502) - 2) [L1867] a268371874 = ((((a268371874 * a412613099) - 11284) - 1566) + 8370) [L1868] a1290652559 = (a2061255735 - 2) [L1869] a412613099 = (((((a412613099 * a621522874) % 14999) - 1243) + -6848) * 1) [L1870] a2064844468 = 33 [L1871] a835102539 = ((a2040628137 + a2040628137) + -10) [L1874] COND TRUE (((a2064844468 == 32 && (a665096794 == 11 && (a2061255735 == 6 && a890181220 == 32))) && (a835102539 == 5 && (((8 < a583510163) && (150 >= a583510163)) && ((input == 7) && cf==1 )))) && a1053339053 <= -42) [L1875] cf = 0 [L1876] a471011792 = ((a835102539 / a665096794) + 6) [L1877] a45685611 = (a835102539 - -8) [L1878] a2139179119 = (a45685611 + 3) [L1881] COND FALSE !(((((((a2064844468 == 32 && ( cf==1 && (input == 5))) && a1534902259 == 32) && ((28 < a268371874) && (76 >= a268371874))) && a2061255735 == 6) && (((37 < a850881173) && (184 >= a850881173)) && a665096794 == 11)) && a1425431969 <= -46)) [L1888] COND FALSE !((((a182175502 == 7 && (((-146 < a1001390225) && (51 >= a1001390225)) && ((input == 8) && cf==1 ))) && ((a1290652559 == 4 && (a1171576990 == 32 && a837448621 == 32)) && ((28 < a268371874) && (76 >= a268371874)))) && a416125995 == 28)) [L1896] COND TRUE (((a1534902259 == 32 && (( cf==1 && (input == 1)) && a890181220 == 32)) && (((((17 < a1210734340) && (187 >= a1210734340)) && a182175502 == 7) && a665096794 == 11) && ((37 < a850881173) && (184 >= a850881173)))) && a51415461 <= -39) [L1897] EXPR (a514396383 - 20) < a514396383 ? 3 : 0 [L1897] a514396383 -= (a514396383 - 20) < a514396383 ? 3 : 0 [L1898] cf = 0 [L1899] a1879373572 = 34 [L1900] a808219163 = 35 [L1901] a837448621 = 34 [L1902] a665096794 = (a2061255735 - -6) [L1903] a1001390225 = (((((((a1001390225 * a1210734340) * 1) % 48) + 99) * 5) % 48) + 73) [L1904] a890181220 = 34 [L1905] a182175502 = ((a665096794 - a835102539) - -1) [L1906] a1290652559 = ((a665096794 + a665096794) + -19) [L1907] a1171576990 = 34 [L1908] a2040628137 = (a665096794 - 3) [L1909] a583510163 = ((((((a583510163 * a268371874) * 2) + -273) + -10498) % 68) + 220) [L1910] a471011792 = (a2061255735 + 1) [L1911] a412613099 = ((((((a412613099 * a621522874) % 14999) / 5) % 26) - -8) + 3) [L1912] a418218587 = 33 [L1913] a1210734340 = (((((((a1210734340 * a268371874) % 17) + 188) + 14) * 5) % 17) - -199) [L1914] a2061255735 = ((a665096794 + a665096794) - 17) [L1917] COND FALSE !((((((input == 2) && cf==1 ) && ((28 < a268371874) && (76 >= a268371874))) && (((-146 < a1001390225) && (51 >= a1001390225)) && (((((17 < a1210734340) && (187 >= a1210734340)) && a890181220 == 32) && ((8 < a583510163) && (150 >= a583510163))) && a2040628137 == 8))) && a220097023 <= -31)) [L1936] COND TRUE ((((input == 3) && cf==1 ) && a837448621 == 32) && (a2040628137 == 8 && (((37 < a850881173) && (184 >= a850881173)) && (a1290652559 == 4 && (((-144 < a412613099) && (-18 >= a412613099)) && a890181220 == 32))))) [L1937] EXPR (a1716545843 - 20) < a1716545843 ? 4 : 0 [L1937] a1716545843 -= (a1716545843 - 20) < a1716545843 ? 4 : 0 [L1938] cf = 0 [L1939] a621522874 = ((((((a621522874 * a268371874) % 14999) / 5) + 22113) % 106) + 132) [L1940] a1684594625 = (((((a412613099 * a1001390225) % 65) + 40) - 27076) + 27076) [L1943] COND FALSE !((((a837448621 == 32 && a182175502 == 7) && ((a665096794 == 11 && ((((37 < a850881173) && (184 >= a850881173)) && ((input == 4) && cf==1 )) && a1171576990 == 32)) && a1534902259 == 32)) && a1498331231 == 55)) [L1963] COND FALSE !((((a1879373572 == 32 && ((((input == 6) && cf==1 ) && ((8 < a583510163) && (150 >= a583510163))) && a2040628137 == 8)) && (a890181220 == 32 && (((28 < a268371874) && (76 >= a268371874)) && ((-146 < a1001390225) && (51 >= a1001390225))))) && a1716545843 <= -72)) [L1969] COND TRUE (((((a1171576990 == 32 && ((28 < a268371874) && (76 >= a268371874))) && a1879373572 == 32) && ((-146 < a1001390225) && (51 >= a1001390225))) && (a2040628137 == 8 && (( cf==1 && (input == 9)) && a1534902259 == 32))) && a501521675 <= -53) [L1970] cf = 0 [L1971] a583510163 = (((((a583510163 * a1001390225) + -8022) - 76) + 7400) - 7346) [L1972] a1210734340 = ((((a1210734340 * a412613099) - 1668) / 5) * 5) [L1973] a1001390225 = (((((((a1001390225 * a1210734340) % 14999) % 14927) + -15072) + -1) + 6674) + -6673) [L1974] a44138666 = 32 [L1975] a837448621 = 33 [L1976] a1171576990 = 33 [L1977] a2061255735 = (a182175502 + -2) [L1978] a471011792 = ((a665096794 * a835102539) - 50) [L1979] a835102539 = (a471011792 + -1) [L1980] a1944090451 = 33 [L1981] a1879373572 = 33 [L1982] a268371874 = ((((a268371874 * a412613099) - 78) - 10989) * 1) [L1983] a665096794 = (a1290652559 + 6) [L1984] a850881173 = (((((a850881173 * a268371874) % 14999) - 14971) - 6) + -13) [L1990] RET calculate_outputm150(input) [L2422] RET calculate_outputm36(input) [L2425] COND FALSE !(((((8 < a583510163) && (150 >= a583510163)) && a1534902259 == 32) && (((a890181220 == 32 && (( cf==1 && a471011792 == 12) && ((28 < a268371874) && (76 >= a268371874)))) && a1290652559 == 4) && a1879373572 == 32))) [L2442] CALL errorCheck() [L387] COND FALSE !(((a824024208 == 33 && ((330 < a621522874) && (523 >= a621522874))) && a471011792 == 11)) [L391] COND FALSE !(((a1944090451 == 34 && a44138666 == 32) && a471011792 == 5)) [L395] COND FALSE !(((a910748832 == 32 && a236788248 == 17) && a471011792 == 9)) [L399] COND FALSE !(((a812175843 == 33 && a2122722213 == 7) && a471011792 == 12)) [L403] COND FALSE !(((a1944090451 == 36 && a44138666 == 32) && a471011792 == 5)) [L407] COND FALSE !(((a166920931 == 11 && a2122722213 == 8) && a471011792 == 12)) [L411] COND FALSE !(((a1422023390 <= -145 && a236788248 == 10) && a471011792 == 9)) [L415] COND FALSE !(((a236788248 == 10 && a44138666 == 35) && a471011792 == 5)) [L419] COND FALSE !(((a808219163 == 32 && a418218587 == 33) && a471011792 == 7)) [L423] COND FALSE !(((a824024208 == 35 && ((330 < a621522874) && (523 >= a621522874))) && a471011792 == 11)) [L427] COND FALSE !(((((22 < a1422023390) && (156 >= a1422023390)) && a236788248 == 10) && a471011792 == 9)) [L431] COND FALSE !(((a236788248 == 10 && a44138666 == 36) && a471011792 == 5)) [L435] COND FALSE !(((a1864015649 == 33 && a236788248 == 13) && a471011792 == 9)) [L439] COND FALSE !(((a824024208 == 34 && a2122722213 == 4) && a471011792 == 12)) [L443] COND FALSE !(((a2083223046 == 33 && a418218587 == 34) && a471011792 == 7)) [L447] COND FALSE !(((a236788248 == 12 && a44138666 == 35) && a471011792 == 5)) [L451] COND FALSE !(((a1821141922 == 35 && a2122722213 == 2) && a471011792 == 12)) [L455] COND FALSE !(((((-101 < a1889803145) && (114 >= a1889803145)) && a45685611 == 12) && a471011792 == 6)) [L459] COND FALSE !(((a946891643 == 5 && a45685611 == 7) && a471011792 == 6)) [L463] COND FALSE !(((a1944090451 == 33 && a44138666 == 32) && a471011792 == 5)) [L467] COND FALSE !(((((383 < a552913881) && (501 >= a552913881)) && a44138666 == 34) && a471011792 == 5)) [L471] COND FALSE !(((a946891643 == 9 && a45685611 == 7) && a471011792 == 6)) [L475] COND FALSE !(((a2139179119 == 15 && a45685611 == 13) && a471011792 == 6)) [L479] COND FALSE !(((a1218264876 == 33 && a236788248 == 14) && a471011792 == 9)) [L483] COND FALSE !(((a236788248 == 12 && a44138666 == 36) && a471011792 == 5)) [L487] COND FALSE !(((((114 < a1889803145) && (196 >= a1889803145)) && a45685611 == 12) && a471011792 == 6)) [L491] COND FALSE !(((a910748832 == 34 && a236788248 == 17) && a471011792 == 9)) [L495] COND FALSE !(((a482477713 == 8 && a236788248 == 16) && a471011792 == 9)) [L499] COND FALSE !(((a808219163 == 34 && a418218587 == 33) && a471011792 == 7)) [L503] COND FALSE !(((((330 < a621522874) && (523 >= a621522874)) && a418218587 == 32) && a471011792 == 7)) [L507] COND FALSE !(((((75 < a589117628) && (276 >= a589117628)) && a236788248 == 12) && a471011792 == 9)) [L511] COND FALSE !(((a1071924404 == 35 && a1179664392 == 32) && a471011792 == 8)) [L515] COND FALSE !(((a1684594625 <= -160 && a44138666 == 33) && a471011792 == 5)) [L519] COND FALSE !(((a1218264876 == 36 && a236788248 == 14) && a471011792 == 9)) [L523] COND FALSE !(((105 < a1684594625 && ((116 < a621522874) && (330 >= a621522874))) && a471011792 == 11)) [L527] COND FALSE !(((a166920931 == 13 && a2122722213 == 8) && a471011792 == 12)) [L531] COND FALSE !(((a430318312 == 9 && a1179664392 == 36) && a471011792 == 8)) [L535] COND FALSE !(((((-160 < a1684594625) && (-26 >= a1684594625)) && ((116 < a621522874) && (330 >= a621522874))) && a471011792 == 11)) [L539] COND FALSE !(((a648283191 <= -91 && ((168 < a552913881) && (383 >= a552913881))) && a471011792 == 10)) [L543] COND FALSE !(((a2139179119 == 13 && a236788248 == 11) && a471011792 == 9)) [L547] COND FALSE !(((a1218264876 == 32 && a45685611 == 9) && a471011792 == 6)) [L551] COND FALSE !(((a1218264876 == 34 && a236788248 == 14) && a471011792 == 9)) [L555] COND FALSE !(((((-69 < a648283191) && (120 >= a648283191)) && a621522874 <= 116) && a471011792 == 11)) [L559] COND FALSE !(((156 < a1422023390 && a236788248 == 10) && a471011792 == 9)) [L563] COND FALSE !(((a1218264876 == 36 && a45685611 == 14) && a471011792 == 6)) [L567] COND FALSE !(((a824024208 == 34 && ((330 < a621522874) && (523 >= a621522874))) && a471011792 == 11)) [L571] COND FALSE !(((a2139179119 == 11 && a236788248 == 11) && a471011792 == 9)) [L575] COND FALSE !(((a482477713 == 7 && a236788248 == 16) && a471011792 == 9)) [L579] COND FALSE !(((a1071924404 == 36 && a1179664392 == 32) && a471011792 == 8)) [L583] COND FALSE !(((a499699109 == 3 && 523 < a621522874) && a471011792 == 11)) [L587] COND FALSE !(((a418218587 == 32 && a2122722213 == 3) && a471011792 == 12)) [L591] COND FALSE !(((a482477713 == 9 && a236788248 == 16) && a471011792 == 9)) [L595] COND FALSE !(((a2079503415 == 13 && a236788248 == 15) && a471011792 == 9)) [L599] COND FALSE !(((a482477713 == 6 && a236788248 == 16) && a471011792 == 9)) [L603] COND FALSE !(((276 < a589117628 && a236788248 == 12) && a471011792 == 9)) [L607] COND FALSE !(((((160 < a173429297) && (321 >= a173429297)) && a418218587 == 35) && a471011792 == 7)) [L611] COND FALSE !(((((-59 < a173429297) && (160 >= a173429297)) && a45685611 == 10) && a471011792 == 6)) [L615] COND FALSE !(((a71064409 <= -150 && a1179664392 == 34) && a471011792 == 8)) [L619] COND FALSE !(((a2139179119 == 10 && a45685611 == 13) && a471011792 == 6)) [L623] COND FALSE !(((a1605463015 == 8 && a1179664392 == 33) && a471011792 == 8)) [L627] COND FALSE !(((a236788248 == 16 && a44138666 == 35) && a471011792 == 5)) [L631] COND FALSE !(((a1864015649 == 36 && a236788248 == 13) && a471011792 == 9)) [L635] COND FALSE !(((a1859402009 == 11 && a45685611 == 11) && a471011792 == 6)) [L639] COND FALSE !(((a808219163 == 36 && a418218587 == 33) && a471011792 == 7)) [L643] COND FALSE !(((a430318312 == 8 && a1179664392 == 36) && a471011792 == 8)) [L647] COND FALSE !(((a173429297 <= -59 && a45685611 == 10) && a471011792 == 6)) [L651] COND FALSE !(((((-91 < a648283191) && (-69 >= a648283191)) && a418218587 == 36) && a471011792 == 7)) [L655] COND FALSE !(((a430318312 == 10 && a1179664392 == 36) && a471011792 == 8)) [L659] COND FALSE !(((a1864015649 == 34 && a236788248 == 13) && a471011792 == 9)) [L663] COND FALSE !(((a589117628 <= 50 && a236788248 == 12) && a471011792 == 9)) [L667] COND FALSE !(((a1605463015 == 4 && a1179664392 == 33) && a471011792 == 8)) [L671] COND FALSE !(((((-160 < a1684594625) && (-26 >= a1684594625)) && a44138666 == 33) && a471011792 == 5)) [L675] COND FALSE !(((a499699109 == 4 && 523 < a621522874) && a471011792 == 11)) [L679] COND FALSE !(((a946891643 == 12 && a45685611 == 7) && a471011792 == 6)) [L683] COND FALSE !(((((-145 < a1422023390) && (22 >= a1422023390)) && a236788248 == 10) && a471011792 == 9)) [L687] COND FALSE !(((a2139179119 == 16 && a45685611 == 13) && a471011792 == 6)) [L691] COND FALSE !(((((-69 < a648283191) && (120 >= a648283191)) && ((168 < a552913881) && (383 >= a552913881))) && a471011792 == 10)) [L695] COND FALSE !(((a1071924404 == 34 && a1179664392 == 32) && a471011792 == 8)) [L699] COND FALSE !(((a812175843 == 34 && a2122722213 == 9) && a471011792 == 12)) [L703] COND FALSE !(((a430318312 == 3 && a1179664392 == 36) && a471011792 == 8)) [L707] COND FALSE !(((a1218264876 == 34 && a45685611 == 9) && a471011792 == 6)) [L711] COND FALSE !(((a1179664392 == 36 && ((383 < a552913881) && (501 >= a552913881))) && a471011792 == 10)) [L715] COND FALSE !(((((-91 < a648283191) && (-69 >= a648283191)) && a621522874 <= 116) && a471011792 == 11)) [L719] COND FALSE !(((((160 < a173429297) && (321 >= a173429297)) && a45685611 == 10) && a471011792 == 6)) [L723] COND FALSE !(((a482477713 == 3 && a236788248 == 16) && a471011792 == 9)) [L727] COND FALSE !(((a808219163 == 35 && a418218587 == 33) && a471011792 == 7)) [L731] COND FALSE !(((a1218264876 == 35 && a236788248 == 14) && a471011792 == 9)) [L735] COND FALSE !(((a812175843 == 36 && a2122722213 == 9) && a471011792 == 12)) [L739] COND FALSE !(((a430318312 == 5 && a1179664392 == 36) && a471011792 == 8)) [L743] COND FALSE !(((a2079503415 == 16 && a236788248 == 15) && a471011792 == 9)) [L747] COND FALSE !(((a1684594625 <= -160 && ((116 < a621522874) && (330 >= a621522874))) && a471011792 == 11)) [L751] COND FALSE !(((a2079503415 == 9 && a236788248 == 15) && a471011792 == 9)) [L755] COND FALSE !(((a1535937505 == 36 && a2122722213 == 6) && a471011792 == 12)) [L759] COND FALSE !(((((116 < a621522874) && (330 >= a621522874)) && a418218587 == 32) && a471011792 == 7)) [L763] COND FALSE !(((196 < a1889803145 && a45685611 == 8) && a471011792 == 6)) [L767] COND FALSE !(((a418218587 == 33 && a2122722213 == 3) && a471011792 == 12)) [L771] COND FALSE !(((a2139179119 == 9 && a45685611 == 13) && a471011792 == 6)) [L775] COND FALSE !(((a2083223046 == 35 && a418218587 == 34) && a471011792 == 7)) [L779] COND FALSE !(((a1071924404 == 33 && a1179664392 == 32) && a471011792 == 8)) [L783] COND FALSE !(((a1071924404 == 32 && a1179664392 == 32) && a471011792 == 8)) [L2442] RET errorCheck() [L2456] RET calculate_output(input) [L2448] COND TRUE 1 [L2451] int input; [L2452] input = __VERIFIER_nondet_int() [L2454] COND FALSE !((input != 7) && (input != 10) && (input != 6) && (input != 2) && (input != 5) && (input != 3) && (input != 9) && (input != 4) && (input != 8) && (input != 1)) [L2456] CALL calculate_output(input) [L2364] cf = 1 [L2366] COND TRUE (a850881173 <= 37 && ((((a1210734340 <= 17 && (( cf==1 && a471011792 == 5) && a1001390225 <= -146)) && a1879373572 == 33) && a665096794 == 10) && a837448621 == 33)) [L2367] COND TRUE (a2061255735 == 5 && ((a182175502 == 6 && ((a2040628137 == 7 && (a412613099 <= -144 && (a44138666 == 36 && cf==1 ))) && a835102539 == 4)) && a665096794 == 10)) [L2368] CALL calculate_outputm5(input) [L833] COND FALSE !((((a1290652559 == 3 && ( cf==1 && a236788248 == 17)) && a1001390225 <= -146) && (((a412613099 <= -144 && a268371874 <= 28) && a2040628137 == 7) && a1879373572 == 33))) [L2368] RET calculate_outputm5(input) [L2371] COND FALSE !(((((28 < a268371874) && (76 >= a268371874)) && (a2061255735 == 6 && (((a182175502 == 7 && a837448621 == 32) && a1879373572 == 32) && a1171576990 == 32))) && (a471011792 == 6 && cf==1 ))) [L2385] COND TRUE (((a2061255735 == 7 && ((a471011792 == 7 && cf==1 ) && a1290652559 == 5)) && a665096794 == 12) && ((a2040628137 == 9 && a1879373572 == 34) && ((51 < a1001390225) && (148 >= a1001390225)))) [L2386] COND TRUE ((a2064844468 == 34 && a665096794 == 12) && (a1171576990 == 34 && (a890181220 == 34 && (a837448621 == 34 && (a1290652559 == 5 && (a418218587 == 32 && cf==1 )))))) [L2387] CALL calculate_outputm15(input) [L1277] COND FALSE !(((((523 < a621522874 && cf==1 ) && a182175502 == 8) && a837448621 == 34) && ((a1534902259 == 34 && (((184 < a850881173) && (386 >= a850881173)) && a2061255735 == 7)) && ((-18 < a412613099) && (36 >= a412613099))))) [L2387] RET calculate_outputm15(input) [L2390] COND TRUE ((a412613099 <= -144 && (a1290652559 == 3 && a182175502 == 6)) && ((a1534902259 == 33 && (a2061255735 == 5 && ( cf==1 && a471011792 == 8))) && a2064844468 == 33)) [L2391] COND TRUE ((((a665096794 == 10 && a837448621 == 33) && a583510163 <= 8) && a1171576990 == 33) && ((a1879373572 == 33 && ( cf==1 && a1179664392 == 33)) && a268371874 <= 28)) [L2392] CALL calculate_outputm19(input) [L1371] COND FALSE !(((((a665096794 == 10 && a583510163 <= 8) && a890181220 == 33) && a1171576990 == 33) && (a1001390225 <= -146 && ((a1605463015 == 10 && cf==1 ) && a1210734340 <= 17)))) [L2392] RET calculate_outputm19(input) [L2394] COND TRUE (((a1179664392 == 34 && cf==1 ) && a665096794 == 10) && (a837448621 == 33 && (a1879373572 == 33 && ((a2061255735 == 5 && a850881173 <= 37) && a268371874 <= 28)))) [L2395] CALL calculate_outputm21(input) [L1402] COND FALSE !(((( cf==1 && ((-77 < a71064409) && (127 >= a71064409))) && a1879373572 == 33) && (a1534902259 == 33 && (a1210734340 <= 17 && ((a1001390225 <= -146 && a665096794 == 10) && a835102539 == 4))))) [L2395] RET calculate_outputm21(input) [L2398] COND TRUE (((a1534902259 == 33 && (a1171576990 == 33 && a890181220 == 33)) && a665096794 == 10) && (a2061255735 == 5 && ((a471011792 == 9 && cf==1 ) && a268371874 <= 28))) [L2399] COND FALSE !(((( cf==1 && a236788248 == 14) && a1001390225 <= -146) && (a2061255735 == 5 && (a665096794 == 10 && ((a1171576990 == 33 && a850881173 <= 37) && a1534902259 == 33))))) [L2402] COND TRUE ((a182175502 == 6 && (a2040628137 == 7 && a1879373572 == 33)) && (a837448621 == 33 && (((a236788248 == 15 && cf==1 ) && a412613099 <= -144) && a835102539 == 4))) [L2403] CALL calculate_outputm28(input) [L1499] COND FALSE !(((((a1001390225 <= -146 && a412613099 <= -144) && a2064844468 == 33) && a835102539 == 4) && (a1210734340 <= 17 && ((a2079503415 == 10 && cf==1 ) && a1879373572 == 33)))) [L2403] RET calculate_outputm28(input) [L2405] COND FALSE !(((a1001390225 <= -146 && a890181220 == 33) && ((((a2061255735 == 5 && (a236788248 == 17 && cf==1 )) && a2064844468 == 33) && a850881173 <= 37) && a1210734340 <= 17))) [L2409] COND TRUE ((a1290652559 == 4 && (a1171576990 == 32 && ((37 < a850881173) && (184 >= a850881173)))) && ((a2064844468 == 32 && (((8 < a583510163) && (150 >= a583510163)) && (a471011792 == 10 && cf==1 ))) && a2040628137 == 8)) [L2410] COND TRUE ((a837448621 == 32 && ((a2040628137 == 8 && (a182175502 == 7 && ((37 < a850881173) && (184 >= a850881173)))) && a835102539 == 5)) && (((17 < a1210734340) && (187 >= a1210734340)) && ( cf==1 && ((383 < a552913881) && (501 >= a552913881))))) [L2411] CALL calculate_outputm32(input) [L1659] COND FALSE !((((((a837448621 == 32 && ((-144 < a412613099) && (-18 >= a412613099))) && a1879373572 == 32) && a890181220 == 32) && ((8 < a583510163) && (150 >= a583510163))) && ((a1179664392 == 32 && cf==1 ) && a2064844468 == 32))) [L2411] RET calculate_outputm32(input) [L2413] COND TRUE (((a1171576990 == 32 && (501 < a552913881 && cf==1 )) && a1290652559 == 4) && (a1879373572 == 32 && ((((8 < a583510163) && (150 >= a583510163)) && ((37 < a850881173) && (184 >= a850881173))) && a2040628137 == 8))) [L2414] CALL calculate_outputm33(input) [L1795] COND TRUE ((a835102539 == 5 && (((-144 < a412613099) && (-18 >= a412613099)) && a2061255735 == 6)) && ((a890181220 == 32 && (( cf==1 && ((80 < a274381288) && (206 >= a274381288))) && ((8 < a583510163) && (150 >= a583510163)))) && a2040628137 == 8)) [L1796] CALL calculate_outputm139(input) [L1664] COND FALSE !((((a1290652559 == 4 && a665096794 == 11) && a1534902259 == 32) && (a1171576990 == 32 && ((((input == 5) && cf==1 ) && ((17 < a1210734340) && (187 >= a1210734340))) && a182175502 == 7)))) [L1674] COND TRUE ((((((-146 < a1001390225) && (51 >= a1001390225)) && ((((17 < a1210734340) && (187 >= a1210734340)) && ((8 < a583510163) && (150 >= a583510163))) && a1171576990 == 32)) && a1879373572 == 32) && a835102539 == 5) && ( cf==1 && (input == 8))) [L1675] EXPR (a763506461 + 20) > a763506461 ? 4 : 0 [L1675] a763506461 += (a763506461 + 20) > a763506461 ? 4 : 0 [L1676] EXPR (a2084484762 + 20) > a2084484762 ? 6 : 0 [L1676] a2084484762 += (a2084484762 + 20) > a2084484762 ? 6 : 0 [L1677] EXPR (a418880267 - 20) < a418880267 ? 6 : 0 [L1677] a418880267 -= (a418880267 - 20) < a418880267 ? 6 : 0 [L1678] EXPR (a1264277206 + 20) > a1264277206 ? 4 : 0 [L1678] a1264277206 += (a1264277206 + 20) > a1264277206 ? 4 : 0 [L1679] EXPR (a1515611838 - 20) < a1515611838 ? 4 : 0 [L1679] a1515611838 -= (a1515611838 - 20) < a1515611838 ? 4 : 0 [L1680] EXPR (a416125995 + 20) > a416125995 ? 1 : 0 [L1680] a416125995 += (a416125995 + 20) > a416125995 ? 1 : 0 [L1681] EXPR (a834109496 + 20) > a834109496 ? 1 : 0 [L1681] a834109496 += (a834109496 + 20) > a834109496 ? 1 : 0 [L1682] cf = 0 [L1683] a2122722213 = (a2061255735 + -1) [L1684] a837448621 = 32 [L1685] a1580522136 = (((((((a268371874 * a1001390225) % 54) - -101) - 2977) * 5) % 54) - -154) [L1686] a471011792 = (a2061255735 + 6) [L1689] COND FALSE !(((((((input == 9) && cf==1 ) && ((-144 < a412613099) && (-18 >= a412613099))) && a890181220 == 32) && a1879373572 == 32) && (a1171576990 == 32 && (a2064844468 == 32 && ((-146 < a1001390225) && (51 >= a1001390225)))))) [L1700] COND FALSE !((((((a2064844468 == 32 && a1879373572 == 32) && a890181220 == 32) && a1171576990 == 32) && (a1534902259 == 32 && (((input == 3) && cf==1 ) && a2061255735 == 6))) && a1955344686 == 14)) [L1718] COND TRUE ((((((-146 < a1001390225) && (51 >= a1001390225)) && a1290652559 == 4) && ((-144 < a412613099) && (-18 >= a412613099))) && ((((37 < a850881173) && (184 >= a850881173)) && (( cf==1 && (input == 2)) && ((28 < a268371874) && (76 >= a268371874)))) && ((8 < a583510163) && (150 >= a583510163)))) && a514396383 == 7) [L1719] EXPR (a1515611838 + 20) > a1515611838 ? 3 : 0 [L1719] a1515611838 += (a1515611838 + 20) > a1515611838 ? 3 : 0 [L1720] cf = 0 [L1721] a236788248 = (a182175502 - -3) [L1722] a471011792 = (a2061255735 - -3) [L1723] a1290652559 = (a471011792 - 6) [L1724] a1001390225 = ((((((a1001390225 * a552913881) % 14999) % 14927) - 15072) * 1) + 0) [L1725] a1879373572 = 33 [L1726] a2040628137 = ((a2061255735 * a471011792) - 47) [L1727] a268371874 = ((((((a268371874 * a552913881) % 14999) + -21018) * 10) / 9) * 1) [L1728] a412613099 = ((((a412613099 * a583510163) - -20983) + -23071) + -5970) [L1729] a1210734340 = ((((((a1210734340 * a274381288) % 14999) + -17041) * 10) / 9) * 1) [L1730] a2061255735 = (a2040628137 - 2) [L1731] a850881173 = ((((a850881173 * a583510163) * 1) + 1428) / -5) [L1732] a665096794 = (a835102539 + 5) [L1733] a1534902259 = 33 [L1734] a1422023390 = ((((((a552913881 * a552913881) % 14999) / 5) - -7907) % 83) - 127) [L1735] a2064844468 = 33 [L1736] a890181220 = 33 [L1737] a1171576990 = 33 [L1738] a835102539 = (a236788248 - 6) [L1796] RET calculate_outputm139(input) [L1798] COND FALSE !(((a1534902259 == 32 && (a1879373572 == 32 && ((28 < a268371874) && (76 >= a268371874)))) && ((a835102539 == 5 && (a1171576990 == 32 && (301 < a274381288 && cf==1 ))) && a890181220 == 32))) [L2414] RET calculate_outputm33(input) [L2417] COND TRUE (((( cf==1 && a471011792 == 11) && ((28 < a268371874) && (76 >= a268371874))) && a1171576990 == 32) && (a1534902259 == 32 && ((((17 < a1210734340) && (187 >= a1210734340)) && a2064844468 == 32) && a182175502 == 7))) [L2418] COND FALSE !(((((a2061255735 == 6 && ((((-146 < a1001390225) && (51 >= a1001390225)) && ( cf==1 && ((116 < a621522874) && (330 >= a621522874)))) && ((17 < a1210734340) && (187 >= a1210734340)))) && a2040628137 == 8) && ((37 < a850881173) && (184 >= a850881173))) && ((8 < a583510163) && (150 >= a583510163)))) [L2421] COND TRUE ((((37 < a850881173) && (184 >= a850881173)) && (a837448621 == 32 && (a835102539 == 5 && ( cf==1 && ((330 < a621522874) && (523 >= a621522874)))))) && (a2040628137 == 8 && (a1879373572 == 32 && ((28 < a268371874) && (76 >= a268371874))))) [L2422] CALL calculate_outputm36(input) [L1989] COND TRUE ((a890181220 == 32 && (a824024208 == 36 && cf==1 )) && ((a2064844468 == 32 && ((((-144 < a412613099) && (-18 >= a412613099)) && a2040628137 == 8) && a1290652559 == 4)) && a1879373572 == 32)) [L1990] CALL calculate_outputm150(input) [L1852] COND TRUE ((((((input == 10) && cf==1 ) && a1534902259 == 32) && a1171576990 == 32) && (((a837448621 == 32 && a2040628137 == 8) && ((8 < a583510163) && (150 >= a583510163))) && a1290652559 == 4)) && a487646776 == 34) [L1853] EXPR (a834109496 - 20) < a834109496 ? 4 : 0 [L1853] a834109496 -= (a834109496 - 20) < a834109496 ? 4 : 0 [L1854] cf = 0 [L1855] a1179664392 = 33 [L1856] a837448621 = 33 [L1857] a182175502 = (a835102539 + 1) [L1858] a471011792 = ((a665096794 - a835102539) + 2) [L1859] a1534902259 = 33 [L1860] a583510163 = ((((a583510163 * a1210734340) + -28092) - 173) * 1) [L1861] a2040628137 = ((a835102539 + a471011792) - 6) [L1862] a1605463015 = ((a2061255735 / a1290652559) - -7) [L1863] a2061255735 = (a182175502 + -1) [L1864] a1879373572 = 33 [L1865] a1171576990 = 33 [L1866] a665096794 = ((a182175502 + a182175502) - 2) [L1867] a268371874 = ((((a268371874 * a412613099) - 11284) - 1566) + 8370) [L1868] a1290652559 = (a2061255735 - 2) [L1869] a412613099 = (((((a412613099 * a621522874) % 14999) - 1243) + -6848) * 1) [L1870] a2064844468 = 33 [L1871] a835102539 = ((a2040628137 + a2040628137) + -10) [L1874] COND TRUE (((a2064844468 == 32 && (a665096794 == 11 && (a2061255735 == 6 && a890181220 == 32))) && (a835102539 == 5 && (((8 < a583510163) && (150 >= a583510163)) && ((input == 7) && cf==1 )))) && a1053339053 <= -42) [L1875] cf = 0 [L1876] a471011792 = ((a835102539 / a665096794) + 6) [L1877] a45685611 = (a835102539 - -8) [L1878] a2139179119 = (a45685611 + 3) [L1881] COND FALSE !(((((((a2064844468 == 32 && ( cf==1 && (input == 5))) && a1534902259 == 32) && ((28 < a268371874) && (76 >= a268371874))) && a2061255735 == 6) && (((37 < a850881173) && (184 >= a850881173)) && a665096794 == 11)) && a1425431969 <= -46)) [L1888] COND FALSE !((((a182175502 == 7 && (((-146 < a1001390225) && (51 >= a1001390225)) && ((input == 8) && cf==1 ))) && ((a1290652559 == 4 && (a1171576990 == 32 && a837448621 == 32)) && ((28 < a268371874) && (76 >= a268371874)))) && a416125995 == 28)) [L1896] COND TRUE (((a1534902259 == 32 && (( cf==1 && (input == 1)) && a890181220 == 32)) && (((((17 < a1210734340) && (187 >= a1210734340)) && a182175502 == 7) && a665096794 == 11) && ((37 < a850881173) && (184 >= a850881173)))) && a51415461 <= -39) [L1897] EXPR (a514396383 - 20) < a514396383 ? 3 : 0 [L1897] a514396383 -= (a514396383 - 20) < a514396383 ? 3 : 0 [L1898] cf = 0 [L1899] a1879373572 = 34 [L1900] a808219163 = 35 [L1901] a837448621 = 34 [L1902] a665096794 = (a2061255735 - -6) [L1903] a1001390225 = (((((((a1001390225 * a1210734340) * 1) % 48) + 99) * 5) % 48) + 73) [L1904] a890181220 = 34 [L1905] a182175502 = ((a665096794 - a835102539) - -1) [L1906] a1290652559 = ((a665096794 + a665096794) + -19) [L1907] a1171576990 = 34 [L1908] a2040628137 = (a665096794 - 3) [L1909] a583510163 = ((((((a583510163 * a268371874) * 2) + -273) + -10498) % 68) + 220) [L1910] a471011792 = (a2061255735 + 1) [L1911] a412613099 = ((((((a412613099 * a621522874) % 14999) / 5) % 26) - -8) + 3) [L1912] a418218587 = 33 [L1913] a1210734340 = (((((((a1210734340 * a268371874) % 17) + 188) + 14) * 5) % 17) - -199) [L1914] a2061255735 = ((a665096794 + a665096794) - 17) [L1917] COND FALSE !((((((input == 2) && cf==1 ) && ((28 < a268371874) && (76 >= a268371874))) && (((-146 < a1001390225) && (51 >= a1001390225)) && (((((17 < a1210734340) && (187 >= a1210734340)) && a890181220 == 32) && ((8 < a583510163) && (150 >= a583510163))) && a2040628137 == 8))) && a220097023 <= -31)) [L1936] COND TRUE ((((input == 3) && cf==1 ) && a837448621 == 32) && (a2040628137 == 8 && (((37 < a850881173) && (184 >= a850881173)) && (a1290652559 == 4 && (((-144 < a412613099) && (-18 >= a412613099)) && a890181220 == 32))))) [L1937] EXPR (a1716545843 - 20) < a1716545843 ? 4 : 0 [L1937] a1716545843 -= (a1716545843 - 20) < a1716545843 ? 4 : 0 [L1938] cf = 0 [L1939] a621522874 = ((((((a621522874 * a268371874) % 14999) / 5) + 22113) % 106) + 132) [L1940] a1684594625 = (((((a412613099 * a1001390225) % 65) + 40) - 27076) + 27076) [L1943] COND FALSE !((((a837448621 == 32 && a182175502 == 7) && ((a665096794 == 11 && ((((37 < a850881173) && (184 >= a850881173)) && ((input == 4) && cf==1 )) && a1171576990 == 32)) && a1534902259 == 32)) && a1498331231 == 55)) [L1963] COND FALSE !((((a1879373572 == 32 && ((((input == 6) && cf==1 ) && ((8 < a583510163) && (150 >= a583510163))) && a2040628137 == 8)) && (a890181220 == 32 && (((28 < a268371874) && (76 >= a268371874)) && ((-146 < a1001390225) && (51 >= a1001390225))))) && a1716545843 <= -72)) [L1969] COND TRUE (((((a1171576990 == 32 && ((28 < a268371874) && (76 >= a268371874))) && a1879373572 == 32) && ((-146 < a1001390225) && (51 >= a1001390225))) && (a2040628137 == 8 && (( cf==1 && (input == 9)) && a1534902259 == 32))) && a501521675 <= -53) [L1970] cf = 0 [L1971] a583510163 = (((((a583510163 * a1001390225) + -8022) - 76) + 7400) - 7346) [L1972] a1210734340 = ((((a1210734340 * a412613099) - 1668) / 5) * 5) [L1973] a1001390225 = (((((((a1001390225 * a1210734340) % 14999) % 14927) + -15072) + -1) + 6674) + -6673) [L1974] a44138666 = 32 [L1975] a837448621 = 33 [L1976] a1171576990 = 33 [L1977] a2061255735 = (a182175502 + -2) [L1978] a471011792 = ((a665096794 * a835102539) - 50) [L1979] a835102539 = (a471011792 + -1) [L1980] a1944090451 = 33 [L1981] a1879373572 = 33 [L1982] a268371874 = ((((a268371874 * a412613099) - 78) - 10989) * 1) [L1983] a665096794 = (a1290652559 + 6) [L1984] a850881173 = (((((a850881173 * a268371874) % 14999) - 14971) - 6) + -13) [L1990] RET calculate_outputm150(input) [L2422] RET calculate_outputm36(input) [L2425] COND FALSE !(((((8 < a583510163) && (150 >= a583510163)) && a1534902259 == 32) && (((a890181220 == 32 && (( cf==1 && a471011792 == 12) && ((28 < a268371874) && (76 >= a268371874)))) && a1290652559 == 4) && a1879373572 == 32))) [L2442] CALL errorCheck() [L387] COND TRUE ((a824024208 == 33 && ((330 < a621522874) && (523 >= a621522874))) && a471011792 == 11) [L388] cf = 0 [L389] CALL reach_error_0() [L15] CALL reach_error_b() [L14] reach_error() - UnprovableResult [Line: 13]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 312 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 481.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 410 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 210 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 513 IncrementalHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 204 mSDtfsCounter, 513 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 16.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=312occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 84.1s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 628 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 45.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 5, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 4, TOOLS_POST_TIME: 43.2s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 4, TOOLS_QUANTIFIERELIM_TIME: 43.2s, TOOLS_QUANTIFIERELIM_MAX_TIME: 42.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 9, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME: 2.5s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 5, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 25, DAG_COMPRESSION_RETAINED_NODES: 15, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-25 20:10:21,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 940624650400628fbc547d76c7cce642a9063fb1576962b71733623b165f113e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:10:24,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:10:24,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:10:24,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:10:24,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:10:24,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:10:24,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:10:24,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:10:24,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:10:24,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:10:24,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:10:24,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:10:24,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:10:24,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:10:24,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:10:24,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:10:24,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:10:24,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:10:24,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:10:24,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:10:24,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:10:24,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:10:24,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:10:24,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:10:24,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:10:24,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:10:24,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:10:24,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:10:24,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:10:24,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:10:24,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:10:24,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:10:24,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:10:24,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:10:24,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:10:24,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:10:24,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:10:24,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:10:24,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:10:24,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:10:24,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:10:24,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 20:10:24,813 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:10:24,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:10:24,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:10:24,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:10:24,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:10:24,816 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:10:24,817 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:10:24,817 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:10:24,817 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:10:24,817 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:10:24,819 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:10:24,819 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:10:24,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:10:24,821 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:10:24,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:10:24,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:10:24,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:10:24,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:10:24,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:10:24,823 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 20:10:24,823 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 20:10:24,823 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 20:10:24,823 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:10:24,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:10:24,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:10:24,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:10:24,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:10:24,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 20:10:24,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:10:24,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:10:24,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:10:24,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:10:24,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:10:24,827 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 20:10:24,827 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 20:10:24,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:10:24,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:10:24,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:10:24,828 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_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 940624650400628fbc547d76c7cce642a9063fb1576962b71733623b165f113e [2021-11-25 20:10:25,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:10:25,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:10:25,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:10:25,328 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:10:25,329 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:10:25,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/eca-rers2018/Problem11.c [2021-11-25 20:10:25,416 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/data/c4dbd2851/52456bd0b70e49aeb846283e2365f093/FLAGa74f693ae [2021-11-25 20:10:26,302 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:10:26,303 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/sv-benchmarks/c/eca-rers2018/Problem11.c [2021-11-25 20:10:26,348 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/data/c4dbd2851/52456bd0b70e49aeb846283e2365f093/FLAGa74f693ae [2021-11-25 20:10:26,829 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/data/c4dbd2851/52456bd0b70e49aeb846283e2365f093 [2021-11-25 20:10:26,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:10:26,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:10:26,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:10:26,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:10:26,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:10:26,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:10:26" (1/1) ... [2021-11-25 20:10:26,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a3b4ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:26, skipping insertion in model container [2021-11-25 20:10:26,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:10:26" (1/1) ... [2021-11-25 20:10:26,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:10:26,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:10:27,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/sv-benchmarks/c/eca-rers2018/Problem11.c[778,791] [2021-11-25 20:10:27,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/sv-benchmarks/c/eca-rers2018/Problem11.c[817,830] [2021-11-25 20:10:28,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:10:28,250 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:10:28,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/sv-benchmarks/c/eca-rers2018/Problem11.c[778,791] [2021-11-25 20:10:28,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/sv-benchmarks/c/eca-rers2018/Problem11.c[817,830] [2021-11-25 20:10:28,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:10:28,624 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:10:28,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:28 WrapperNode [2021-11-25 20:10:28,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:10:28,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:10:28,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:10:28,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:10:28,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:28" (1/1) ... [2021-11-25 20:10:28,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:28" (1/1) ... [2021-11-25 20:10:28,873 INFO L137 Inliner]: procedures = 286, calls = 252, calls flagged for inlining = 148, calls inlined = 148, statements flattened = 2259 [2021-11-25 20:10:28,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:10:28,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:10:28,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:10:28,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:10:28,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:28" (1/1) ... [2021-11-25 20:10:28,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:28" (1/1) ... [2021-11-25 20:10:28,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:28" (1/1) ... [2021-11-25 20:10:28,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:28" (1/1) ... [2021-11-25 20:10:28,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:28" (1/1) ... [2021-11-25 20:10:28,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:28" (1/1) ... [2021-11-25 20:10:29,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:28" (1/1) ... [2021-11-25 20:10:29,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:10:29,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:10:29,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:10:29,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:10:29,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:28" (1/1) ... [2021-11-25 20:10:29,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:10:29,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:10:29,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:10:29,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:10:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 20:10:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:10:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_a [2021-11-25 20:10:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_a [2021-11-25 20:10:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_b [2021-11-25 20:10:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_b [2021-11-25 20:10:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:10:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:10:29,293 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:10:29,295 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:11:01,397 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:11:01,417 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:11:01,417 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 20:11:01,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:11:01 BoogieIcfgContainer [2021-11-25 20:11:01,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:11:01,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:11:01,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:11:01,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:11:01,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:10:26" (1/3) ... [2021-11-25 20:11:01,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de3fb91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:11:01, skipping insertion in model container [2021-11-25 20:11:01,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:28" (2/3) ... [2021-11-25 20:11:01,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de3fb91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:11:01, skipping insertion in model container [2021-11-25 20:11:01,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:11:01" (3/3) ... [2021-11-25 20:11:01,429 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11.c [2021-11-25 20:11:01,434 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:11:01,435 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 20:11:01,505 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:11:01,512 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:11:01,512 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 20:11:01,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 705 states, 600 states have (on average 1.5866666666666667) internal successors, (952), 602 states have internal predecessors, (952), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2021-11-25 20:11:01,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 20:11:01,568 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:11:01,569 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:11:01,570 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:11:01,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:11:01,581 INFO L85 PathProgramCache]: Analyzing trace with hash -295136918, now seen corresponding path program 1 times [2021-11-25 20:11:01,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:11:01,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594213485] [2021-11-25 20:11:01,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:11:01,593 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:11:01,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:11:01,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:11:01,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 20:11:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:11:01,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 20:11:01,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:11:02,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:11:02,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:11:02,702 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:11:02,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594213485] [2021-11-25 20:11:02,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [594213485] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:11:02,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:11:02,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:11:02,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306761733] [2021-11-25 20:11:02,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:11:02,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:11:02,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:11:02,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:11:02,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:11:02,741 INFO L87 Difference]: Start difference. First operand has 705 states, 600 states have (on average 1.5866666666666667) internal successors, (952), 602 states have internal predecessors, (952), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:11:18,097 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:11:23,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:11:26,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:11:29,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:11:34,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:11:37,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:11:38,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:11:38,358 INFO L93 Difference]: Finished difference Result 1476 states and 2516 transitions. [2021-11-25 20:11:38,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:11:38,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-25 20:11:38,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:11:38,455 INFO L225 Difference]: With dead ends: 1476 [2021-11-25 20:11:38,456 INFO L226 Difference]: Without dead ends: 767 [2021-11-25 20:11:38,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:11:38,468 INFO L933 BasicCegarLoop]: 824 mSDtfsCounter, 192 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 1250 mSolverCounterSat, 108 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1250 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:11:38,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 1620 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1250 Invalid, 1 Unknown, 0 Unchecked, 35.4s Time] [2021-11-25 20:11:38,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2021-11-25 20:11:38,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 732. [2021-11-25 20:11:38,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 630 states have (on average 1.5809523809523809) internal successors, (996), 729 states have internal predecessors, (996), 100 states have call successors, (100), 2 states have call predecessors, (100), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:11:38,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1096 transitions. [2021-11-25 20:11:38,577 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1096 transitions. Word has length 16 [2021-11-25 20:11:38,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:11:38,578 INFO L470 AbstractCegarLoop]: Abstraction has 732 states and 1096 transitions. [2021-11-25 20:11:38,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:11:38,578 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1096 transitions. [2021-11-25 20:11:38,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 20:11:38,580 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:11:38,580 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:11:38,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-25 20:11:38,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:11:38,797 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:11:38,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:11:38,798 INFO L85 PathProgramCache]: Analyzing trace with hash 733246357, now seen corresponding path program 1 times [2021-11-25 20:11:38,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:11:38,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300206694] [2021-11-25 20:11:38,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:11:38,800 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:11:38,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:11:38,801 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:11:38,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-25 20:11:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:11:39,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:11:39,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:11:39,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:11:39,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:11:39,379 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:11:39,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300206694] [2021-11-25 20:11:39,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300206694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:11:39,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:11:39,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:11:39,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164895953] [2021-11-25 20:11:39,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:11:39,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:11:39,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:11:39,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:11:39,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:11:39,382 INFO L87 Difference]: Start difference. First operand 732 states and 1096 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:11:44,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:11:46,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:11:46,412 INFO L93 Difference]: Finished difference Result 1877 states and 2905 transitions. [2021-11-25 20:11:46,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:11:46,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 20:11:46,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:11:46,447 INFO L225 Difference]: With dead ends: 1877 [2021-11-25 20:11:46,447 INFO L226 Difference]: Without dead ends: 1281 [2021-11-25 20:11:46,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:11:46,451 INFO L933 BasicCegarLoop]: 957 mSDtfsCounter, 834 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:11:46,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [834 Valid, 1853 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-11-25 20:11:46,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2021-11-25 20:11:46,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1171. [2021-11-25 20:11:46,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 1069 states have (on average 1.626753975678204) internal successors, (1739), 1168 states have internal predecessors, (1739), 100 states have call successors, (100), 2 states have call predecessors, (100), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:11:46,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1839 transitions. [2021-11-25 20:11:46,502 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1839 transitions. Word has length 24 [2021-11-25 20:11:46,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:11:46,502 INFO L470 AbstractCegarLoop]: Abstraction has 1171 states and 1839 transitions. [2021-11-25 20:11:46,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:11:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1839 transitions. [2021-11-25 20:11:46,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 20:11:46,507 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:11:46,507 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:11:46,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:11:46,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:11:46,712 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:11:46,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:11:46,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1255084462, now seen corresponding path program 1 times [2021-11-25 20:11:46,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:11:46,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245129184] [2021-11-25 20:11:46,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:11:46,717 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:11:46,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:11:46,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:11:46,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-25 20:11:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:11:47,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 20:11:47,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:11:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:11:47,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:11:47,430 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:11:47,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245129184] [2021-11-25 20:11:47,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245129184] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:11:47,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:11:47,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:11:47,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980556] [2021-11-25 20:11:47,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:11:47,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:11:47,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:11:47,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:11:47,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:11:47,432 INFO L87 Difference]: Start difference. First operand 1171 states and 1839 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:11:50,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:06,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:12,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:16,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:19,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:25,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:27,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:37,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:12:37,356 INFO L93 Difference]: Finished difference Result 4597 states and 7598 transitions. [2021-11-25 20:12:37,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 20:12:37,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-25 20:12:37,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:12:37,381 INFO L225 Difference]: With dead ends: 4597 [2021-11-25 20:12:37,382 INFO L226 Difference]: Without dead ends: 3562 [2021-11-25 20:12:37,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:12:37,385 INFO L933 BasicCegarLoop]: 1681 mSDtfsCounter, 2070 mSDsluCounter, 2074 mSDsCounter, 0 mSdLazyCounter, 1853 mSolverCounterSat, 214 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2070 SdHoareTripleChecker+Valid, 3755 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1853 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:12:37,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2070 Valid, 3755 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1853 Invalid, 1 Unknown, 0 Unchecked, 49.7s Time] [2021-11-25 20:12:37,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3562 states. [2021-11-25 20:12:37,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3562 to 2954. [2021-11-25 20:12:37,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2954 states, 2852 states have (on average 1.5915147265077139) internal successors, (4539), 2951 states have internal predecessors, (4539), 100 states have call successors, (100), 2 states have call predecessors, (100), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:37,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2954 states to 2954 states and 4639 transitions. [2021-11-25 20:12:37,485 INFO L78 Accepts]: Start accepts. Automaton has 2954 states and 4639 transitions. Word has length 25 [2021-11-25 20:12:37,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:12:37,485 INFO L470 AbstractCegarLoop]: Abstraction has 2954 states and 4639 transitions. [2021-11-25 20:12:37,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:37,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2954 states and 4639 transitions. [2021-11-25 20:12:37,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 20:12:37,487 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:12:37,487 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:12:37,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:12:37,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:12:37,705 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:12:37,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:12:37,706 INFO L85 PathProgramCache]: Analyzing trace with hash 633226929, now seen corresponding path program 1 times [2021-11-25 20:12:37,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:12:37,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371215492] [2021-11-25 20:12:37,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:37,709 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:12:37,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:12:37,710 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:12:37,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-25 20:12:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:12:38,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:12:38,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:12:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:12:38,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:12:38,257 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:12:38,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371215492] [2021-11-25 20:12:38,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [371215492] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:12:38,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:12:38,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:12:38,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120847425] [2021-11-25 20:12:38,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:12:38,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:12:38,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:12:38,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:12:38,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:12:38,259 INFO L87 Difference]: Start difference. First operand 2954 states and 4639 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:40,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:44,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:44,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:12:44,777 INFO L93 Difference]: Finished difference Result 8655 states and 13650 transitions. [2021-11-25 20:12:44,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:12:44,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-25 20:12:44,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:12:44,854 INFO L225 Difference]: With dead ends: 8655 [2021-11-25 20:12:44,854 INFO L226 Difference]: Without dead ends: 5703 [2021-11-25 20:12:44,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:12:44,860 INFO L933 BasicCegarLoop]: 947 mSDtfsCounter, 902 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:12:44,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [902 Valid, 1866 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-11-25 20:12:44,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5703 states. [2021-11-25 20:12:44,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5703 to 5217. [2021-11-25 20:12:45,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5217 states, 5115 states have (on average 1.621505376344086) internal successors, (8294), 5214 states have internal predecessors, (8294), 100 states have call successors, (100), 2 states have call predecessors, (100), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5217 states to 5217 states and 8394 transitions. [2021-11-25 20:12:45,058 INFO L78 Accepts]: Start accepts. Automaton has 5217 states and 8394 transitions. Word has length 26 [2021-11-25 20:12:45,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:12:45,059 INFO L470 AbstractCegarLoop]: Abstraction has 5217 states and 8394 transitions. [2021-11-25 20:12:45,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 5217 states and 8394 transitions. [2021-11-25 20:12:45,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 20:12:45,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:12:45,060 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:12:45,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-25 20:12:45,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:12:45,275 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:12:45,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:12:45,275 INFO L85 PathProgramCache]: Analyzing trace with hash 2042056115, now seen corresponding path program 1 times [2021-11-25 20:12:45,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:12:45,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964884381] [2021-11-25 20:12:45,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:45,276 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:12:45,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:12:45,278 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:12:45,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-25 20:12:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:12:45,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:12:45,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:12:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:12:45,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:12:45,920 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:12:45,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964884381] [2021-11-25 20:12:45,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [964884381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:12:45,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:12:45,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:12:45,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447784343] [2021-11-25 20:12:45,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:12:45,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:12:45,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:12:45,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:12:45,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:12:45,923 INFO L87 Difference]: Start difference. First operand 5217 states and 8394 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:54,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:56,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:58,625 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:00,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:01,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:13:01,131 INFO L93 Difference]: Finished difference Result 12462 states and 20416 transitions. [2021-11-25 20:13:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:13:01,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-25 20:13:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:13:01,166 INFO L225 Difference]: With dead ends: 12462 [2021-11-25 20:13:01,167 INFO L226 Difference]: Without dead ends: 7374 [2021-11-25 20:13:01,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:13:01,175 INFO L933 BasicCegarLoop]: 1152 mSDtfsCounter, 645 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 1948 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:13:01,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [645 Valid, 1948 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2021-11-25 20:13:01,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7374 states. [2021-11-25 20:13:01,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7374 to 7203. [2021-11-25 20:13:01,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7203 states, 7101 states have (on average 1.6424447260949162) internal successors, (11663), 7200 states have internal predecessors, (11663), 100 states have call successors, (100), 2 states have call predecessors, (100), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:13:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7203 states to 7203 states and 11763 transitions. [2021-11-25 20:13:01,445 INFO L78 Accepts]: Start accepts. Automaton has 7203 states and 11763 transitions. Word has length 27 [2021-11-25 20:13:01,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:13:01,446 INFO L470 AbstractCegarLoop]: Abstraction has 7203 states and 11763 transitions. [2021-11-25 20:13:01,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:13:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 7203 states and 11763 transitions. [2021-11-25 20:13:01,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 20:13:01,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:13:01,447 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:13:01,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-25 20:13:01,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:13:01,667 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:13:01,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:13:01,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1455250101, now seen corresponding path program 1 times [2021-11-25 20:13:01,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:13:01,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75360687] [2021-11-25 20:13:01,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:13:01,668 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:13:01,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:13:01,670 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:13:01,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-25 20:13:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:13:02,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:13:02,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:13:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:13:02,244 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:13:02,244 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:13:02,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75360687] [2021-11-25 20:13:02,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [75360687] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:13:02,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:13:02,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:13:02,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635827102] [2021-11-25 20:13:02,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:13:02,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:13:02,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:13:02,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:13:02,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:13:02,246 INFO L87 Difference]: Start difference. First operand 7203 states and 11763 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:13:18,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:27,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:32,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:36,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:39,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:42,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:46,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:53,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:57,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:07,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:07,573 INFO L93 Difference]: Finished difference Result 28275 states and 48198 transitions. [2021-11-25 20:14:07,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 20:14:07,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-25 20:14:07,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:07,673 INFO L225 Difference]: With dead ends: 28275 [2021-11-25 20:14:07,680 INFO L226 Difference]: Without dead ends: 21201 [2021-11-25 20:14:07,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:14:07,690 INFO L933 BasicCegarLoop]: 1435 mSDtfsCounter, 1774 mSDsluCounter, 2293 mSDsCounter, 0 mSdLazyCounter, 2192 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 3728 SdHoareTripleChecker+Invalid, 2428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 2192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:07,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1774 Valid, 3728 Invalid, 2428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 2192 Invalid, 0 Unknown, 0 Unchecked, 65.0s Time] [2021-11-25 20:14:07,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21201 states. [2021-11-25 20:14:08,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21201 to 12199. [2021-11-25 20:14:08,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12199 states, 12097 states have (on average 1.6532198065636108) internal successors, (19999), 12196 states have internal predecessors, (19999), 100 states have call successors, (100), 2 states have call predecessors, (100), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12199 states to 12199 states and 20099 transitions. [2021-11-25 20:14:08,271 INFO L78 Accepts]: Start accepts. Automaton has 12199 states and 20099 transitions. Word has length 27 [2021-11-25 20:14:08,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:08,272 INFO L470 AbstractCegarLoop]: Abstraction has 12199 states and 20099 transitions. [2021-11-25 20:14:08,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 12199 states and 20099 transitions. [2021-11-25 20:14:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 20:14:08,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:08,273 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:08,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-25 20:14:08,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:14:08,490 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:14:08,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:08,491 INFO L85 PathProgramCache]: Analyzing trace with hash 836101188, now seen corresponding path program 1 times [2021-11-25 20:14:08,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:14:08,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629920158] [2021-11-25 20:14:08,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:08,492 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:14:08,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:14:08,496 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:14:08,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-25 20:14:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:08,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:14:08,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:14:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:09,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:14:09,097 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:14:09,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1629920158] [2021-11-25 20:14:09,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1629920158] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:09,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:14:09,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:14:09,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626702943] [2021-11-25 20:14:09,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:09,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:14:09,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:14:09,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:14:09,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:09,098 INFO L87 Difference]: Start difference. First operand 12199 states and 20099 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:13,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:13,348 INFO L93 Difference]: Finished difference Result 30561 states and 50299 transitions. [2021-11-25 20:14:13,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:14:13,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-25 20:14:13,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:13,436 INFO L225 Difference]: With dead ends: 30561 [2021-11-25 20:14:13,436 INFO L226 Difference]: Without dead ends: 18364 [2021-11-25 20:14:13,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:13,448 INFO L933 BasicCegarLoop]: 938 mSDtfsCounter, 882 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:13,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [882 Valid, 1870 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-25 20:14:13,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18364 states. [2021-11-25 20:14:13,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18364 to 17586. [2021-11-25 20:14:13,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17586 states, 17484 states have (on average 1.6656943491191947) internal successors, (29123), 17583 states have internal predecessors, (29123), 100 states have call successors, (100), 2 states have call predecessors, (100), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17586 states to 17586 states and 29223 transitions. [2021-11-25 20:14:13,904 INFO L78 Accepts]: Start accepts. Automaton has 17586 states and 29223 transitions. Word has length 28 [2021-11-25 20:14:13,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:13,905 INFO L470 AbstractCegarLoop]: Abstraction has 17586 states and 29223 transitions. [2021-11-25 20:14:13,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:13,906 INFO L276 IsEmpty]: Start isEmpty. Operand 17586 states and 29223 transitions. [2021-11-25 20:14:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 20:14:13,906 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:13,907 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:13,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-25 20:14:14,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:14:14,123 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:14:14,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:14,124 INFO L85 PathProgramCache]: Analyzing trace with hash -2132596368, now seen corresponding path program 1 times [2021-11-25 20:14:14,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:14:14,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826270679] [2021-11-25 20:14:14,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:14,125 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:14:14,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:14:14,126 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:14:14,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-25 20:14:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:14,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:14:14,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:14:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:14,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:14:14,543 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:14:14,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826270679] [2021-11-25 20:14:14,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826270679] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:14,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:14:14,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:14:14,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589272550] [2021-11-25 20:14:14,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:14,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:14:14,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:14:14,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:14:14,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:14,545 INFO L87 Difference]: Start difference. First operand 17586 states and 29223 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:15,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:15,248 INFO L93 Difference]: Finished difference Result 34804 states and 57937 transitions. [2021-11-25 20:14:15,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:14:15,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-25 20:14:15,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:15,400 INFO L225 Difference]: With dead ends: 34804 [2021-11-25 20:14:15,414 INFO L226 Difference]: Without dead ends: 34798 [2021-11-25 20:14:15,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:15,424 INFO L933 BasicCegarLoop]: 964 mSDtfsCounter, 927 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 1871 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:15,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [927 Valid, 1871 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 20:14:15,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34798 states. [2021-11-25 20:14:16,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34798 to 34380. [2021-11-25 20:14:16,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34380 states, 34278 states have (on average 1.6683878872746367) internal successors, (57189), 34377 states have internal predecessors, (57189), 100 states have call successors, (100), 2 states have call predecessors, (100), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:16,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34380 states to 34380 states and 57289 transitions. [2021-11-25 20:14:16,341 INFO L78 Accepts]: Start accepts. Automaton has 34380 states and 57289 transitions. Word has length 28 [2021-11-25 20:14:16,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:16,341 INFO L470 AbstractCegarLoop]: Abstraction has 34380 states and 57289 transitions. [2021-11-25 20:14:16,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:16,342 INFO L276 IsEmpty]: Start isEmpty. Operand 34380 states and 57289 transitions. [2021-11-25 20:14:16,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 20:14:16,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:16,342 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:16,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-25 20:14:16,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:14:16,559 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:14:16,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:16,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1764627203, now seen corresponding path program 1 times [2021-11-25 20:14:16,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:14:16,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418619891] [2021-11-25 20:14:16,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:16,560 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:14:16,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:14:16,562 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:14:16,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3003e3d3-7f1f-4091-a862-de9527095d81/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-25 20:14:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:16,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:14:16,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:14:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:17,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:14:17,098 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:14:17,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418619891] [2021-11-25 20:14:17,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [418619891] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:17,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:14:17,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:14:17,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409799966] [2021-11-25 20:14:17,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:17,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:14:17,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:14:17,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:14:17,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:17,101 INFO L87 Difference]: Start difference. First operand 34380 states and 57289 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)