./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label46.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label46.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan --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 3f83959aec6dac2930f68b7df14b6587f62827dd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label46.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan --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 3f83959aec6dac2930f68b7df14b6587f62827dd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 19:55:14,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:55:14,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:55:14,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:55:14,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:55:14,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:55:14,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:55:14,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:55:14,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:55:14,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:55:14,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:55:14,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:55:14,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:55:14,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:55:14,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:55:14,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:55:14,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:55:14,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:55:14,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:55:14,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:55:15,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:55:15,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:55:15,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:55:15,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:55:15,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:55:15,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:55:15,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:55:15,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:55:15,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:55:15,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:55:15,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:55:15,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:55:15,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:55:15,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:55:15,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:55:15,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:55:15,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:55:15,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:55:15,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:55:15,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:55:15,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:55:15,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 19:55:15,039 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:55:15,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:55:15,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:55:15,041 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:55:15,049 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:55:15,049 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:55:15,049 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 19:55:15,050 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:55:15,050 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:55:15,050 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 19:55:15,050 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 19:55:15,050 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:55:15,051 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 19:55:15,051 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 19:55:15,051 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 19:55:15,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:55:15,052 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 19:55:15,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 19:55:15,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 19:55:15,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:55:15,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 19:55:15,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:55:15,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 19:55:15,053 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:55:15,053 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 19:55:15,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 19:55:15,053 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:55:15,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 19:55:15,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:55:15,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:55:15,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:55:15,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:55:15,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:55:15,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 19:55:15,055 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 19:55:15,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 19:55:15,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 19:55:15,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:55:15,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:55:15,056 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-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f83959aec6dac2930f68b7df14b6587f62827dd [2020-12-09 19:55:15,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:55:15,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:55:15,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:55:15,250 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:55:15,251 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:55:15,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label46.c [2020-12-09 19:55:15,291 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/data/7283a7016/c032b2d6f83c45ca8dfbdc481dd80d38/FLAGa19d1eaea [2020-12-09 19:55:15,705 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:55:15,706 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/sv-benchmarks/c/eca-rers2012/Problem14_label46.c [2020-12-09 19:55:15,717 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/data/7283a7016/c032b2d6f83c45ca8dfbdc481dd80d38/FLAGa19d1eaea [2020-12-09 19:55:16,101 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/data/7283a7016/c032b2d6f83c45ca8dfbdc481dd80d38 [2020-12-09 19:55:16,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:55:16,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:55:16,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:55:16,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:55:16,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:55:16,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:55:16" (1/1) ... [2020-12-09 19:55:16,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23377d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:55:16, skipping insertion in model container [2020-12-09 19:55:16,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:55:16" (1/1) ... [2020-12-09 19:55:16,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:55:16,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:55:16,367 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/sv-benchmarks/c/eca-rers2012/Problem14_label46.c[4146,4159] [2020-12-09 19:55:16,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:55:16,499 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 19:55:16,516 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/sv-benchmarks/c/eca-rers2012/Problem14_label46.c[4146,4159] [2020-12-09 19:55:16,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:55:16,602 INFO L208 MainTranslator]: Completed translation [2020-12-09 19:55:16,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:55:16 WrapperNode [2020-12-09 19:55:16,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:55:16,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 19:55:16,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 19:55:16,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 19:55:16,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:55:16" (1/1) ... [2020-12-09 19:55:16,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:55:16" (1/1) ... [2020-12-09 19:55:16,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 19:55:16,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 19:55:16,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 19:55:16,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 19:55:16,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:55:16" (1/1) ... [2020-12-09 19:55:16,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:55:16" (1/1) ... [2020-12-09 19:55:16,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:55:16" (1/1) ... [2020-12-09 19:55:16,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:55:16" (1/1) ... [2020-12-09 19:55:16,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:55:16" (1/1) ... [2020-12-09 19:55:16,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:55:16" (1/1) ... [2020-12-09 19:55:16,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:55:16" (1/1) ... [2020-12-09 19:55:16,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 19:55:16,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 19:55:16,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 19:55:16,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 19:55:16,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:55:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:55:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 19:55:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 19:55:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 19:55:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 19:55:29,264 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 19:55:29,265 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 19:55:29,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:55:29 BoogieIcfgContainer [2020-12-09 19:55:29,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 19:55:29,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 19:55:29,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 19:55:29,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 19:55:29,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:55:16" (1/3) ... [2020-12-09 19:55:29,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dccf7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:55:29, skipping insertion in model container [2020-12-09 19:55:29,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:55:16" (2/3) ... [2020-12-09 19:55:29,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dccf7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:55:29, skipping insertion in model container [2020-12-09 19:55:29,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:55:29" (3/3) ... [2020-12-09 19:55:29,272 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label46.c [2020-12-09 19:55:29,282 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 19:55:29,284 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 19:55:29,292 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 19:55:29,307 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 19:55:29,307 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 19:55:29,307 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 19:55:29,307 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 19:55:29,307 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 19:55:29,307 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 19:55:29,307 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 19:55:29,308 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 19:55:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 19:55:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 19:55:29,318 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:55:29,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 19:55:29,319 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:55:29,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:55:29,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1037747791, now seen corresponding path program 1 times [2020-12-09 19:55:29,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:55:29,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933256061] [2020-12-09 19:55:29,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:55:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:55:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:55:29,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933256061] [2020-12-09 19:55:29,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:55:29,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:55:29,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421295758] [2020-12-09 19:55:29,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:55:29,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:55:29,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:55:29,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:55:29,483 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-12-09 19:55:29,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:55:29,561 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-12-09 19:55:29,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:55:29,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 19:55:29,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:55:29,568 INFO L225 Difference]: With dead ends: 23 [2020-12-09 19:55:29,568 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 19:55:29,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:55:29,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 19:55:29,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-09 19:55:29,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-09 19:55:29,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-09 19:55:29,592 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2020-12-09 19:55:29,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:55:29,592 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-12-09 19:55:29,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:55:29,592 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-09 19:55:29,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 19:55:29,593 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:55:29,593 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 19:55:29,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 19:55:29,593 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:55:29,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:55:29,594 INFO L82 PathProgramCache]: Analyzing trace with hash -159388273, now seen corresponding path program 1 times [2020-12-09 19:55:29,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:55:29,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454306505] [2020-12-09 19:55:29,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:55:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:55:29,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:55:29,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454306505] [2020-12-09 19:55:29,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708544240] [2020-12-09 19:55:29,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:55:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:55:29,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 19:55:29,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:55:30,143 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:55:30,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,146 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,147 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:55:30,148 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,150 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,151 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:55:30,154 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,155 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:55:30,160 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,161 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,163 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:55:30,166 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,167 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,172 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,174 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,175 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,177 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,178 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,182 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 19:55:30,184 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,187 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,188 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,189 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:55:30,192 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,194 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,198 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,200 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 19:55:30,202 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 19:55:30,203 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,204 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,204 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,206 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:55:30,209 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,210 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,213 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 19:55:30,215 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,216 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,219 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,223 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 19:55:30,224 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 19:55:30,225 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 19:55:30,226 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,229 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 19:55:30,233 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 19:55:30,235 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,236 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,238 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,241 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,242 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,243 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,244 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,245 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,246 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,247 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,248 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,248 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,249 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:55:30,252 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,254 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,256 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,257 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 19:55:30,258 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,262 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,262 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,267 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,268 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 19:55:30,269 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 19:55:30,270 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 19:55:30,271 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 19:55:30,272 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,275 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 19:55:30,277 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 19:55:30,280 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,281 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,281 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,284 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 19:55:30,285 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,290 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 19:55:30,291 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 19:55:30,291 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 19:55:30,292 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 19:55:30,293 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,294 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,294 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,297 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 19:55:30,299 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,302 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 19:55:30,303 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 19:55:30,303 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 19:55:30,306 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,309 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 19:55:30,310 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 19:55:30,311 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 19:55:30,312 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 19:55:30,314 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 19:55:30,317 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 19:55:30,318 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 19:55:30,319 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 19:55:30,321 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 19:55:30,329 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 14, 4, 11, 4, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 19:55:30,329 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 19:55:30,330 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 19:55:30,330 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 19:55:30,331 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 19:55:30,331 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 19:55:30,332 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 19:55:30,332 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 19:55:30,333 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-09 19:55:30,333 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,334 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 2, 4, 1] term [2020-12-09 19:55:30,334 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 19:55:30,335 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 5, 4, 2, 4, 1] term [2020-12-09 19:55:30,335 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 19:55:30,336 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 19:55:30,336 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 19:55:30,336 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 19:55:30,337 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 19:55:30,338 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 19:55:30,338 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,341 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 19:55:30,342 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 19:55:30,342 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,343 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,344 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,365 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,367 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 19:55:30,368 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,370 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,371 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,371 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,373 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 19:55:30,374 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,376 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,378 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,379 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,381 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 19:55:30,381 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,383 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,386 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 19:55:30,386 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,386 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,389 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 19:55:30,389 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,391 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,393 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,394 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 19:55:30,395 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,395 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,396 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,399 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,400 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 19:55:30,401 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,401 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,403 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 19:55:30,404 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,404 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,406 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,408 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,411 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 19:55:30,411 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,412 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,414 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 19:55:30,414 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,415 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,417 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,418 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,420 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,421 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,421 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,424 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 19:55:30,425 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 19:55:30,425 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,426 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,428 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 19:55:30,428 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,430 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,433 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 19:55:30,433 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,435 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 19:55:30,436 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,437 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,439 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,441 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,442 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 19:55:30,443 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,445 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,446 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,447 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,450 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 19:55:30,451 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,453 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,457 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,458 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,460 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 19:55:30,461 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,463 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,467 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,468 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,470 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 19:55:30,471 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,471 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,474 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 19:55:30,474 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,475 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,477 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,480 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,482 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,483 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,484 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,488 INFO L639 QuantifierPusher]: Distributing 18 conjuncts over 2 disjuncts [2020-12-09 19:55:30,489 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 19:55:30,490 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,491 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,493 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 19:55:30,495 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 19:55:30,496 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,497 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,499 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 19:55:30,499 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,501 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,502 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,505 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,506 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,509 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 19:55:30,510 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 19:55:30,511 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,512 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,514 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 19:55:30,516 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 19:55:30,516 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,518 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,519 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 19:55:30,520 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,523 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,523 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,527 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,528 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,531 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,533 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,534 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 19:55:30,535 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,536 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 19:55:30,538 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,540 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 19:55:30,541 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,543 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,544 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,547 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:55:30,548 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,550 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,553 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 19:55:30,554 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,556 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:55:30,557 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,560 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,562 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,563 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,564 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,567 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,569 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,569 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,571 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,572 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 19:55:30,573 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,574 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 19:55:30,576 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,576 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,578 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 19:55:30,579 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:55:30,580 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,582 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,584 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,584 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,586 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 3 disjuncts [2020-12-09 19:55:30,587 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 19:55:30,588 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,588 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,590 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,591 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 19:55:30,592 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,593 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,594 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 19:55:30,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,596 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,597 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,599 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,600 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,601 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,603 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,603 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,606 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 19:55:30,606 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,608 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,608 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,611 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,613 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,614 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 19:55:30,614 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,615 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 19:55:30,617 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,618 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 19:55:30,619 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,620 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,621 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,623 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:55:30,623 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,625 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,627 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 19:55:30,628 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,630 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:55:30,630 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,632 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,635 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,636 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,637 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,639 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,640 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,641 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,643 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,644 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 19:55:30,644 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,645 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 19:55:30,647 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 19:55:30,648 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,649 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 19:55:30,651 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,652 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,654 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 19:55:30,654 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,655 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 19:55:30,658 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,658 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,659 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 19:55:30,661 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:55:30,661 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,663 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:55:30,665 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,666 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,669 INFO L639 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-12-09 19:55:30,670 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,672 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 19:55:30,673 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,675 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,677 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,678 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,680 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,681 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,682 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,684 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 19:55:30,684 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,686 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,686 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,688 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,689 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,691 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,693 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,693 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,695 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,696 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,698 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,700 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,701 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,702 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,703 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,704 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:55:30,705 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,705 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,707 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 19:55:30,707 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,708 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 19:55:30,709 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,710 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,710 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,712 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,713 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:55:30,714 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:55:30,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:55:30,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:55:31,172 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 2659 DAG size of output: 2498 [2020-12-09 19:55:31,192 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 19:55:31,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [844743540] [2020-12-09 19:55:31,207 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 19:55:31,207 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:55:31,211 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:55:31,214 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:55:31,215 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:55:31,342 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 34 [2020-12-09 19:55:31,806 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 34 [2020-12-09 19:55:32,742 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 2488 DAG size of output: 2347 [2020-12-09 19:57:18,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 19:57:18,927 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: variable got div captured at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.findBestReplacementSbr(DualJunctionDer.java:305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.tryToEliminateSbr(DualJunctionDer.java:319) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:190) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:141) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminate(DualJunctionDer.java:119) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:776) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:739) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:656) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:358) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.doit(QuantifierPusher.java:523) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:378) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.eliminate(QuantifierPusher.java:151) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.eliminate(QuantifierPusher.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elimPushPull(PartialQuantifierElimination.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elimPushPull(PartialQuantifierElimination.java:202) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$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:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) 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:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) [2020-12-09 19:57:18,940 INFO L168 Benchmark]: Toolchain (without parser) took 122823.77 ms. Allocated memory was 102.8 MB in the beginning and 809.5 MB in the end (delta: 706.7 MB). Free memory was 73.8 MB in the beginning and 666.7 MB in the end (delta: -592.9 MB). Peak memory consumption was 598.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:57:18,943 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 73.4 MB. Free memory was 48.1 MB in the beginning and 48.1 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:57:18,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.81 ms. Allocated memory is still 102.8 MB. Free memory was 73.8 MB in the beginning and 52.6 MB in the end (delta: 21.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:57:18,947 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.50 ms. Allocated memory is still 102.8 MB. Free memory was 52.6 MB in the beginning and 43.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 19:57:18,948 INFO L168 Benchmark]: Boogie Preprocessor took 71.09 ms. Allocated memory is still 102.8 MB. Free memory was 43.1 MB in the beginning and 71.8 MB in the end (delta: -28.7 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2020-12-09 19:57:18,951 INFO L168 Benchmark]: RCFGBuilder took 12516.89 ms. Allocated memory was 102.8 MB in the beginning and 388.0 MB in the end (delta: 285.2 MB). Free memory was 71.7 MB in the beginning and 102.5 MB in the end (delta: -30.8 MB). Peak memory consumption was 254.9 MB. Max. memory is 16.1 GB. [2020-12-09 19:57:18,953 INFO L168 Benchmark]: TraceAbstraction took 109667.94 ms. Allocated memory was 388.0 MB in the beginning and 809.5 MB in the end (delta: 421.5 MB). Free memory was 102.5 MB in the beginning and 666.7 MB in the end (delta: -564.2 MB). Peak memory consumption was 340.8 MB. Max. memory is 16.1 GB. [2020-12-09 19:57:18,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 73.4 MB. Free memory was 48.1 MB in the beginning and 48.1 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 485.81 ms. Allocated memory is still 102.8 MB. Free memory was 73.8 MB in the beginning and 52.6 MB in the end (delta: 21.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.50 ms. Allocated memory is still 102.8 MB. Free memory was 52.6 MB in the beginning and 43.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.09 ms. Allocated memory is still 102.8 MB. Free memory was 43.1 MB in the beginning and 71.8 MB in the end (delta: -28.7 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12516.89 ms. Allocated memory was 102.8 MB in the beginning and 388.0 MB in the end (delta: 285.2 MB). Free memory was 71.7 MB in the beginning and 102.5 MB in the end (delta: -30.8 MB). Peak memory consumption was 254.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 109667.94 ms. Allocated memory was 388.0 MB in the beginning and 809.5 MB in the end (delta: 421.5 MB). Free memory was 102.5 MB in the beginning and 666.7 MB in the end (delta: -564.2 MB). Peak memory consumption was 340.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: variable got div captured de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: variable got div captured: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 19:57:20,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:57:20,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:57:20,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:57:20,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:57:20,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:57:20,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:57:20,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:57:20,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:57:20,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:57:20,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:57:20,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:57:20,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:57:20,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:57:20,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:57:20,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:57:20,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:57:20,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:57:20,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:57:20,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:57:20,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:57:20,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:57:20,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:57:20,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:57:20,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:57:20,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:57:20,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:57:20,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:57:20,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:57:20,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:57:20,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:57:20,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:57:20,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:57:20,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:57:20,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:57:20,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:57:20,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:57:20,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:57:20,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:57:20,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:57:20,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:57:20,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 19:57:20,625 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:57:20,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:57:20,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:57:20,626 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:57:20,626 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:57:20,626 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:57:20,626 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:57:20,626 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:57:20,627 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:57:20,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:57:20,627 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 19:57:20,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 19:57:20,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:57:20,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 19:57:20,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:57:20,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 19:57:20,628 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:57:20,628 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 19:57:20,628 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 19:57:20,629 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 19:57:20,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 19:57:20,629 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:57:20,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 19:57:20,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:57:20,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 19:57:20,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:57:20,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:57:20,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:57:20,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:57:20,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 19:57:20,630 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 19:57:20,630 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 19:57:20,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 19:57:20,631 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:57:20,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:57:20,631 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-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f83959aec6dac2930f68b7df14b6587f62827dd [2020-12-09 19:57:20,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:57:20,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:57:20,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:57:20,874 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:57:20,875 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:57:20,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label46.c [2020-12-09 19:57:20,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/data/a34c35967/a082d53de77b4f298903682d950c39bb/FLAG8cc0ee24e [2020-12-09 19:57:21,363 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:57:21,364 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/sv-benchmarks/c/eca-rers2012/Problem14_label46.c [2020-12-09 19:57:21,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/data/a34c35967/a082d53de77b4f298903682d950c39bb/FLAG8cc0ee24e [2020-12-09 19:57:21,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/data/a34c35967/a082d53de77b4f298903682d950c39bb [2020-12-09 19:57:21,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:57:21,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:57:21,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:57:21,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:57:21,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:57:21,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:57:21" (1/1) ... [2020-12-09 19:57:21,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33161f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:57:21, skipping insertion in model container [2020-12-09 19:57:21,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:57:21" (1/1) ... [2020-12-09 19:57:21,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:57:21,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:57:21,573 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/sv-benchmarks/c/eca-rers2012/Problem14_label46.c[4146,4159] [2020-12-09 19:57:21,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:57:21,751 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 19:57:21,769 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/sv-benchmarks/c/eca-rers2012/Problem14_label46.c[4146,4159] [2020-12-09 19:57:21,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:57:21,870 INFO L208 MainTranslator]: Completed translation [2020-12-09 19:57:21,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:57:21 WrapperNode [2020-12-09 19:57:21,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:57:21,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 19:57:21,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 19:57:21,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 19:57:21,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:57:21" (1/1) ... [2020-12-09 19:57:21,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:57:21" (1/1) ... [2020-12-09 19:57:21,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 19:57:21,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 19:57:21,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 19:57:21,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 19:57:21,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:57:21" (1/1) ... [2020-12-09 19:57:21,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:57:21" (1/1) ... [2020-12-09 19:57:21,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:57:21" (1/1) ... [2020-12-09 19:57:21,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:57:21" (1/1) ... [2020-12-09 19:57:21,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:57:21" (1/1) ... [2020-12-09 19:57:21,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:57:21" (1/1) ... [2020-12-09 19:57:21,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:57:21" (1/1) ... [2020-12-09 19:57:21,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 19:57:21,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 19:57:21,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 19:57:21,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 19:57:21,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:57:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:57:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 19:57:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 19:57:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 19:57:22,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 19:57:24,392 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 19:57:24,392 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 19:57:24,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:57:24 BoogieIcfgContainer [2020-12-09 19:57:24,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 19:57:24,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 19:57:24,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 19:57:24,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 19:57:24,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:57:21" (1/3) ... [2020-12-09 19:57:24,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5554d194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:57:24, skipping insertion in model container [2020-12-09 19:57:24,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:57:21" (2/3) ... [2020-12-09 19:57:24,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5554d194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:57:24, skipping insertion in model container [2020-12-09 19:57:24,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:57:24" (3/3) ... [2020-12-09 19:57:24,399 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label46.c [2020-12-09 19:57:24,408 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 19:57:24,410 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 19:57:24,417 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 19:57:24,434 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 19:57:24,434 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 19:57:24,434 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 19:57:24,434 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 19:57:24,435 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 19:57:24,435 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 19:57:24,435 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 19:57:24,435 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 19:57:24,447 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-12-09 19:57:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-09 19:57:24,451 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:57:24,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:57:24,452 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:57:24,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:57:24,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1453294289, now seen corresponding path program 1 times [2020-12-09 19:57:24,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:57:24,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1901128798] [2020-12-09 19:57:24,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 19:57:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:57:24,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 19:57:24,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:57:24,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:57:24,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:57:24,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1901128798] [2020-12-09 19:57:24,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:57:24,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:57:24,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075593786] [2020-12-09 19:57:24,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:57:24,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:57:24,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:57:24,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:57:24,633 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2020-12-09 19:57:27,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:57:27,755 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2020-12-09 19:57:27,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:57:27,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-12-09 19:57:27,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:57:27,766 INFO L225 Difference]: With dead ends: 669 [2020-12-09 19:57:27,767 INFO L226 Difference]: Without dead ends: 360 [2020-12-09 19:57:27,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:57:27,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-09 19:57:27,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-12-09 19:57:27,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-12-09 19:57:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 534 transitions. [2020-12-09 19:57:27,813 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 534 transitions. Word has length 39 [2020-12-09 19:57:27,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:57:27,813 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 534 transitions. [2020-12-09 19:57:27,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:57:27,813 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 534 transitions. [2020-12-09 19:57:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-09 19:57:27,816 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:57:27,817 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:57:28,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 19:57:28,019 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:57:28,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:57:28,023 INFO L82 PathProgramCache]: Analyzing trace with hash 2075162268, now seen corresponding path program 1 times [2020-12-09 19:57:28,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:57:28,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806807251] [2020-12-09 19:57:28,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 19:57:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:57:28,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 19:57:28,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:57:28,233 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:57:28,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:57:28,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806807251] [2020-12-09 19:57:28,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:57:28,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:57:28,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727044825] [2020-12-09 19:57:28,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:57:28,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:57:28,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:57:28,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:57:28,237 INFO L87 Difference]: Start difference. First operand 360 states and 534 transitions. Second operand 3 states. [2020-12-09 19:57:31,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:57:31,483 INFO L93 Difference]: Finished difference Result 1074 states and 1597 transitions. [2020-12-09 19:57:31,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:57:31,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-12-09 19:57:31,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:57:31,488 INFO L225 Difference]: With dead ends: 1074 [2020-12-09 19:57:31,488 INFO L226 Difference]: Without dead ends: 716 [2020-12-09 19:57:31,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:57:31,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-12-09 19:57:31,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-12-09 19:57:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-12-09 19:57:31,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 944 transitions. [2020-12-09 19:57:31,521 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 944 transitions. Word has length 104 [2020-12-09 19:57:31,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:57:31,522 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 944 transitions. [2020-12-09 19:57:31,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:57:31,522 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 944 transitions. [2020-12-09 19:57:31,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-09 19:57:31,523 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:57:31,523 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:57:31,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 19:57:31,725 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:57:31,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:57:31,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1975301222, now seen corresponding path program 1 times [2020-12-09 19:57:31,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:57:31,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530940990] [2020-12-09 19:57:31,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 19:57:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:57:31,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 19:57:31,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:57:31,964 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:57:31,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:57:31,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530940990] [2020-12-09 19:57:31,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:57:31,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:57:31,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748804147] [2020-12-09 19:57:31,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:57:31,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:57:31,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:57:31,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:57:31,967 INFO L87 Difference]: Start difference. First operand 716 states and 944 transitions. Second operand 3 states. [2020-12-09 19:57:34,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:57:34,085 INFO L93 Difference]: Finished difference Result 1252 states and 1672 transitions. [2020-12-09 19:57:34,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:57:34,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-12-09 19:57:34,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:57:34,089 INFO L225 Difference]: With dead ends: 1252 [2020-12-09 19:57:34,089 INFO L226 Difference]: Without dead ends: 894 [2020-12-09 19:57:34,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:57:34,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-12-09 19:57:34,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-12-09 19:57:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-12-09 19:57:34,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1134 transitions. [2020-12-09 19:57:34,104 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1134 transitions. Word has length 108 [2020-12-09 19:57:34,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:57:34,105 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1134 transitions. [2020-12-09 19:57:34,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:57:34,105 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1134 transitions. [2020-12-09 19:57:34,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-09 19:57:34,107 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:57:34,108 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:57:34,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 19:57:34,309 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:57:34,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:57:34,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1018665459, now seen corresponding path program 1 times [2020-12-09 19:57:34,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:57:34,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477641399] [2020-12-09 19:57:34,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 19:57:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:57:34,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 19:57:34,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:57:34,568 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-09 19:57:34,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:57:34,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477641399] [2020-12-09 19:57:34,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:57:34,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 19:57:34,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447604307] [2020-12-09 19:57:34,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:57:34,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:57:34,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:57:34,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 19:57:34,570 INFO L87 Difference]: Start difference. First operand 894 states and 1134 transitions. Second operand 4 states. [2020-12-09 19:57:36,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:57:36,940 INFO L93 Difference]: Finished difference Result 1281 states and 1695 transitions. [2020-12-09 19:57:36,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 19:57:36,940 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 188 [2020-12-09 19:57:36,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:57:36,943 INFO L225 Difference]: With dead ends: 1281 [2020-12-09 19:57:36,943 INFO L226 Difference]: Without dead ends: 538 [2020-12-09 19:57:36,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 19:57:36,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-12-09 19:57:36,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2020-12-09 19:57:36,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-12-09 19:57:36,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 714 transitions. [2020-12-09 19:57:36,952 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 714 transitions. Word has length 188 [2020-12-09 19:57:36,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:57:36,952 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 714 transitions. [2020-12-09 19:57:36,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:57:36,952 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 714 transitions. [2020-12-09 19:57:36,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-09 19:57:36,954 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:57:36,954 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:57:37,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 19:57:37,155 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:57:37,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:57:37,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1145886413, now seen corresponding path program 1 times [2020-12-09 19:57:37,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:57:37,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074628929] [2020-12-09 19:57:37,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 19:57:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:57:37,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 19:57:37,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:57:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-09 19:57:37,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:57:37,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074628929] [2020-12-09 19:57:37,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:57:37,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:57:37,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504479664] [2020-12-09 19:57:37,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:57:37,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:57:37,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:57:37,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:57:37,427 INFO L87 Difference]: Start difference. First operand 538 states and 714 transitions. Second operand 3 states. [2020-12-09 19:57:40,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:57:40,416 INFO L93 Difference]: Finished difference Result 1430 states and 1957 transitions. [2020-12-09 19:57:40,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:57:40,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2020-12-09 19:57:40,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:57:40,421 INFO L225 Difference]: With dead ends: 1430 [2020-12-09 19:57:40,421 INFO L226 Difference]: Without dead ends: 1072 [2020-12-09 19:57:40,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:57:40,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-12-09 19:57:40,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-12-09 19:57:40,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-12-09 19:57:40,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1321 transitions. [2020-12-09 19:57:40,439 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1321 transitions. Word has length 209 [2020-12-09 19:57:40,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:57:40,439 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1321 transitions. [2020-12-09 19:57:40,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:57:40,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1321 transitions. [2020-12-09 19:57:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-12-09 19:57:40,442 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:57:40,443 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:57:40,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 19:57:40,644 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:57:40,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:57:40,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1101357153, now seen corresponding path program 1 times [2020-12-09 19:57:40,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:57:40,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997833569] [2020-12-09 19:57:40,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-09 19:57:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:57:40,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 19:57:40,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:57:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 110 proven. 135 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 19:57:41,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:57:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 19:57:41,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997833569] [2020-12-09 19:57:41,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 19:57:41,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 19:57:41,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054494797] [2020-12-09 19:57:41,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:57:41,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:57:41,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:57:41,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 19:57:41,747 INFO L87 Difference]: Start difference. First operand 1072 states and 1321 transitions. Second operand 3 states. [2020-12-09 19:57:48,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:57:48,271 INFO L93 Difference]: Finished difference Result 2142 states and 2812 transitions. [2020-12-09 19:57:48,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:57:48,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 318 [2020-12-09 19:57:48,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:57:48,277 INFO L225 Difference]: With dead ends: 2142 [2020-12-09 19:57:48,277 INFO L226 Difference]: Without dead ends: 1428 [2020-12-09 19:57:48,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 634 GetRequests, 630 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 19:57:48,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2020-12-09 19:57:48,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2020-12-09 19:57:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2020-12-09 19:57:48,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1768 transitions. [2020-12-09 19:57:48,305 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1768 transitions. Word has length 318 [2020-12-09 19:57:48,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:57:48,306 INFO L481 AbstractCegarLoop]: Abstraction has 1428 states and 1768 transitions. [2020-12-09 19:57:48,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:57:48,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1768 transitions. [2020-12-09 19:57:48,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-12-09 19:57:48,312 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:57:48,313 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:57:48,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 19:57:48,513 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:57:48,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:57:48,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1193196927, now seen corresponding path program 1 times [2020-12-09 19:57:48,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:57:48,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [12038040] [2020-12-09 19:57:48,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-12-09 19:57:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:57:48,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 19:57:48,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:57:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 110 proven. 159 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 19:57:48,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:57:49,699 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 19:57:49,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [12038040] [2020-12-09 19:57:49,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 19:57:49,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 19:57:49,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319838874] [2020-12-09 19:57:49,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:57:49,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:57:49,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:57:49,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 19:57:49,701 INFO L87 Difference]: Start difference. First operand 1428 states and 1768 transitions. Second operand 3 states. [2020-12-09 19:57:56,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:57:56,008 INFO L93 Difference]: Finished difference Result 3210 states and 4153 transitions. [2020-12-09 19:57:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:57:56,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2020-12-09 19:57:56,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:57:56,017 INFO L225 Difference]: With dead ends: 3210 [2020-12-09 19:57:56,018 INFO L226 Difference]: Without dead ends: 2140 [2020-12-09 19:57:56,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 654 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 19:57:56,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-12-09 19:57:56,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2020-12-09 19:57:56,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-09 19:57:56,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2668 transitions. [2020-12-09 19:57:56,059 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2668 transitions. Word has length 330 [2020-12-09 19:57:56,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:57:56,060 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2668 transitions. [2020-12-09 19:57:56,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:57:56,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2668 transitions. [2020-12-09 19:57:56,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2020-12-09 19:57:56,063 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:57:56,063 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:57:56,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 19:57:56,264 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:57:56,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:57:56,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1701190055, now seen corresponding path program 1 times [2020-12-09 19:57:56,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:57:56,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [315913731] [2020-12-09 19:57:56,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-12-09 19:57:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:57:56,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:57:56,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:57:57,019 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 24 proven. 277 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 19:57:57,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:58:00,869 WARN L197 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 3 [2020-12-09 19:58:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 272 proven. 29 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 19:58:01,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [315913731] [2020-12-09 19:58:01,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1317097086] [2020-12-09 19:58:01,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:58:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:01,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 19:58:01,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:58:01,636 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:58:01,636 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:58:01,745 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 19:58:01,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:58:01,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 19:58:01,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4] total 11 [2020-12-09 19:58:01,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555863922] [2020-12-09 19:58:01,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 19:58:01,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:58:01,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 19:58:01,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-12-09 19:58:01,749 INFO L87 Difference]: Start difference. First operand 2140 states and 2668 transitions. Second operand 5 states. [2020-12-09 19:58:05,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:58:05,832 INFO L93 Difference]: Finished difference Result 4567 states and 5899 transitions. [2020-12-09 19:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:58:05,833 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 346 [2020-12-09 19:58:05,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:58:05,846 INFO L225 Difference]: With dead ends: 4567 [2020-12-09 19:58:05,846 INFO L226 Difference]: Without dead ends: 2785 [2020-12-09 19:58:05,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1035 GetRequests, 1025 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-12-09 19:58:05,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2020-12-09 19:58:05,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 2318. [2020-12-09 19:58:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-12-09 19:58:05,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2852 transitions. [2020-12-09 19:58:05,878 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2852 transitions. Word has length 346 [2020-12-09 19:58:05,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:58:05,879 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2852 transitions. [2020-12-09 19:58:05,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 19:58:05,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2852 transitions. [2020-12-09 19:58:05,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2020-12-09 19:58:05,881 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:58:05,881 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:58:06,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt [2020-12-09 19:58:06,283 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:58:06,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:58:06,285 INFO L82 PathProgramCache]: Analyzing trace with hash -936344759, now seen corresponding path program 1 times [2020-12-09 19:58:06,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:58:06,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602195345] [2020-12-09 19:58:06,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-12-09 19:58:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:06,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:58:06,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:58:07,030 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 289 proven. 277 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-12-09 19:58:07,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:58:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 537 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-12-09 19:58:08,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602195345] [2020-12-09 19:58:08,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [447806871] [2020-12-09 19:58:08,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:58:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:08,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:58:08,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:58:09,325 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 383 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 19:58:09,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:58:09,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 19:58:09,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 4] total 11 [2020-12-09 19:58:09,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456038780] [2020-12-09 19:58:09,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 19:58:09,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:58:09,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 19:58:09,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-12-09 19:58:09,327 INFO L87 Difference]: Start difference. First operand 2318 states and 2852 transitions. Second operand 6 states. [2020-12-09 19:58:12,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:58:12,392 INFO L93 Difference]: Finished difference Result 4352 states and 5417 transitions. [2020-12-09 19:58:12,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 19:58:12,393 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 425 [2020-12-09 19:58:12,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:58:12,401 INFO L225 Difference]: With dead ends: 4352 [2020-12-09 19:58:12,401 INFO L226 Difference]: Without dead ends: 2318 [2020-12-09 19:58:12,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1272 GetRequests, 1262 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-12-09 19:58:12,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-12-09 19:58:12,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318. [2020-12-09 19:58:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-12-09 19:58:12,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2520 transitions. [2020-12-09 19:58:12,432 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2520 transitions. Word has length 425 [2020-12-09 19:58:12,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:58:12,432 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2520 transitions. [2020-12-09 19:58:12,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 19:58:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2520 transitions. [2020-12-09 19:58:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-12-09 19:58:12,436 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:58:12,436 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:58:12,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3,12 cvc4 --incremental --print-success --lang smt [2020-12-09 19:58:12,838 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:58:12,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:58:12,840 INFO L82 PathProgramCache]: Analyzing trace with hash 2106046540, now seen corresponding path program 1 times [2020-12-09 19:58:12,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:58:12,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55928888] [2020-12-09 19:58:12,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-12-09 19:58:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:13,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:58:13,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:58:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 599 proven. 420 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2020-12-09 19:58:13,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:58:15,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 1019 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2020-12-09 19:58:15,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55928888] [2020-12-09 19:58:15,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 19:58:15,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 19:58:15,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772682512] [2020-12-09 19:58:15,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:58:15,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:58:15,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:58:15,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 19:58:15,583 INFO L87 Difference]: Start difference. First operand 2318 states and 2520 transitions. Second operand 3 states. [2020-12-09 19:58:17,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:58:17,961 INFO L93 Difference]: Finished difference Result 4812 states and 5294 transitions. [2020-12-09 19:58:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:58:17,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 667 [2020-12-09 19:58:17,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:58:17,971 INFO L225 Difference]: With dead ends: 4812 [2020-12-09 19:58:17,971 INFO L226 Difference]: Without dead ends: 2852 [2020-12-09 19:58:17,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1332 GetRequests, 1328 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 19:58:17,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2020-12-09 19:58:18,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2852. [2020-12-09 19:58:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2020-12-09 19:58:18,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3122 transitions. [2020-12-09 19:58:18,007 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3122 transitions. Word has length 667 [2020-12-09 19:58:18,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:58:18,007 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3122 transitions. [2020-12-09 19:58:18,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:58:18,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3122 transitions. [2020-12-09 19:58:18,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2020-12-09 19:58:18,011 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:58:18,012 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:58:18,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-12-09 19:58:18,212 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:58:18,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:58:18,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1257121132, now seen corresponding path program 1 times [2020-12-09 19:58:18,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:58:18,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066889614] [2020-12-09 19:58:18,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-12-09 19:58:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:18,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 19:58:18,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:58:18,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1695 backedges. 1021 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2020-12-09 19:58:18,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:58:18,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066889614] [2020-12-09 19:58:18,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:58:18,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 19:58:18,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815410022] [2020-12-09 19:58:18,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:58:18,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:58:18,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:58:18,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:58:18,978 INFO L87 Difference]: Start difference. First operand 2852 states and 3122 transitions. Second operand 3 states. [2020-12-09 19:58:20,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:58:20,887 INFO L93 Difference]: Finished difference Result 6236 states and 6899 transitions. [2020-12-09 19:58:20,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:58:20,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 765 [2020-12-09 19:58:20,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:58:20,907 INFO L225 Difference]: With dead ends: 6236 [2020-12-09 19:58:20,907 INFO L226 Difference]: Without dead ends: 3742 [2020-12-09 19:58:20,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 764 GetRequests, 763 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:58:20,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-12-09 19:58:20,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3742. [2020-12-09 19:58:20,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2020-12-09 19:58:20,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4022 transitions. [2020-12-09 19:58:20,952 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4022 transitions. Word has length 765 [2020-12-09 19:58:20,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:58:20,952 INFO L481 AbstractCegarLoop]: Abstraction has 3742 states and 4022 transitions. [2020-12-09 19:58:20,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:58:20,953 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4022 transitions. [2020-12-09 19:58:20,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 784 [2020-12-09 19:58:20,957 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:58:20,957 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:58:21,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2020-12-09 19:58:21,159 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:58:21,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:58:21,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1697426241, now seen corresponding path program 1 times [2020-12-09 19:58:21,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:58:21,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121629504] [2020-12-09 19:58:21,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2020-12-09 19:58:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:21,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-09 19:58:21,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:58:22,659 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-12-09 19:58:22,828 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-09 19:58:22,834 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 6, 1] term [2020-12-09 19:58:22,834 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 7 disjuncts [2020-12-09 19:58:24,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 865 proven. 707 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-12-09 19:58:24,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:58:25,408 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 1] term [2020-12-09 19:58:25,408 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 19:58:27,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 1392 proven. 180 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-12-09 19:58:27,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121629504] [2020-12-09 19:58:27,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [449808192] [2020-12-09 19:58:27,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:58:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:28,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:58:28,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:58:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 1176 proven. 186 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2020-12-09 19:58:29,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:58:30,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 1176 proven. 186 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2020-12-09 19:58:30,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741532412] [2020-12-09 19:58:30,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:58:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:30,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:58:30,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:58:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 1160 proven. 93 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2020-12-09 19:58:32,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:58:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 1160 proven. 93 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2020-12-09 19:58:33,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 19:58:33,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 6, 6, 4, 4] total 25 [2020-12-09 19:58:33,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251604370] [2020-12-09 19:58:33,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-09 19:58:33,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:58:33,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-09 19:58:33,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2020-12-09 19:58:33,378 INFO L87 Difference]: Start difference. First operand 3742 states and 4022 transitions. Second operand 25 states. [2020-12-09 19:58:36,692 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-12-09 19:58:40,153 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-12-09 19:58:47,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:58:47,075 INFO L93 Difference]: Finished difference Result 7677 states and 8256 transitions. [2020-12-09 19:58:47,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-09 19:58:47,076 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 783 [2020-12-09 19:58:47,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:58:47,090 INFO L225 Difference]: With dead ends: 7677 [2020-12-09 19:58:47,090 INFO L226 Difference]: Without dead ends: 4275 [2020-12-09 19:58:47,093 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4725 GetRequests, 4650 SyntacticMatches, 30 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=495, Invalid=1667, Unknown=0, NotChecked=0, Total=2162 [2020-12-09 19:58:47,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4275 states. [2020-12-09 19:58:47,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 3363. [2020-12-09 19:58:47,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3363 states. [2020-12-09 19:58:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 3363 states and 3523 transitions. [2020-12-09 19:58:47,142 INFO L78 Accepts]: Start accepts. Automaton has 3363 states and 3523 transitions. Word has length 783 [2020-12-09 19:58:47,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:58:47,142 INFO L481 AbstractCegarLoop]: Abstraction has 3363 states and 3523 transitions. [2020-12-09 19:58:47,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-09 19:58:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 3363 states and 3523 transitions. [2020-12-09 19:58:47,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2020-12-09 19:58:47,148 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:58:47,148 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:58:47,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt,15 mathsat -unsat_core_generation=3,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:58:47,751 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:58:47,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:58:47,753 INFO L82 PathProgramCache]: Analyzing trace with hash 2138437080, now seen corresponding path program 1 times [2020-12-09 19:58:47,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:58:47,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085148645] [2020-12-09 19:58:47,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2020-12-09 19:58:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:47,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 19:58:48,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:58:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2206 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2020-12-09 19:58:48,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:58:48,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085148645] [2020-12-09 19:58:48,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:58:48,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 19:58:48,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554870038] [2020-12-09 19:58:48,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:58:48,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:58:48,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:58:48,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:58:48,659 INFO L87 Difference]: Start difference. First operand 3363 states and 3523 transitions. Second operand 3 states. [2020-12-09 19:58:50,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:58:50,128 INFO L93 Difference]: Finished difference Result 4077 states and 4309 transitions. [2020-12-09 19:58:50,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:58:50,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 860 [2020-12-09 19:58:50,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:58:50,141 INFO L225 Difference]: With dead ends: 4077 [2020-12-09 19:58:50,141 INFO L226 Difference]: Without dead ends: 4075 [2020-12-09 19:58:50,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 859 GetRequests, 858 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:58:50,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4075 states. [2020-12-09 19:58:50,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4075 to 3897. [2020-12-09 19:58:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3897 states. [2020-12-09 19:58:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3897 states and 4111 transitions. [2020-12-09 19:58:50,175 INFO L78 Accepts]: Start accepts. Automaton has 3897 states and 4111 transitions. Word has length 860 [2020-12-09 19:58:50,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:58:50,176 INFO L481 AbstractCegarLoop]: Abstraction has 3897 states and 4111 transitions. [2020-12-09 19:58:50,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:58:50,176 INFO L276 IsEmpty]: Start isEmpty. Operand 3897 states and 4111 transitions. [2020-12-09 19:58:50,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943 [2020-12-09 19:58:50,182 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:58:50,182 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:58:50,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2020-12-09 19:58:50,384 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:58:50,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:58:50,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1941192528, now seen corresponding path program 1 times [2020-12-09 19:58:50,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:58:50,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894436426] [2020-12-09 19:58:50,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2020-12-09 19:58:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:50,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 19:58:50,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:58:51,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2801 backedges. 295 proven. 2135 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2020-12-09 19:58:51,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:58:53,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2801 backedges. 1775 proven. 82 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2020-12-09 19:58:53,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894436426] [2020-12-09 19:58:53,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [962393111] [2020-12-09 19:58:53,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/cvc4 Starting monitored process 20 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:58:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:54,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 19:58:54,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:58:54,705 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:58:54,705 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 19:58:54,707 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 19:58:54,710 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 19:58:54,712 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 19:58:54,713 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:58:54,716 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 19:58:54,718 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:58:55,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2801 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 2506 trivial. 0 not checked. [2020-12-09 19:58:55,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:58:55,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 19:58:55,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 13 [2020-12-09 19:58:55,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993378733] [2020-12-09 19:58:55,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 19:58:55,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:58:55,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 19:58:55,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-12-09 19:58:55,202 INFO L87 Difference]: Start difference. First operand 3897 states and 4111 transitions. Second operand 5 states. [2020-12-09 19:58:57,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:58:57,320 INFO L93 Difference]: Finished difference Result 8339 states and 8858 transitions. [2020-12-09 19:58:57,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:58:57,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 942 [2020-12-09 19:58:57,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:58:57,335 INFO L225 Difference]: With dead ends: 8339 [2020-12-09 19:58:57,335 INFO L226 Difference]: Without dead ends: 4622 [2020-12-09 19:58:57,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2823 GetRequests, 2811 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-12-09 19:58:57,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4622 states. [2020-12-09 19:58:57,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4622 to 4253. [2020-12-09 19:58:57,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4253 states. [2020-12-09 19:58:57,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 4253 states and 4481 transitions. [2020-12-09 19:58:57,376 INFO L78 Accepts]: Start accepts. Automaton has 4253 states and 4481 transitions. Word has length 942 [2020-12-09 19:58:57,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:58:57,377 INFO L481 AbstractCegarLoop]: Abstraction has 4253 states and 4481 transitions. [2020-12-09 19:58:57,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 19:58:57,377 INFO L276 IsEmpty]: Start isEmpty. Operand 4253 states and 4481 transitions. [2020-12-09 19:58:57,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 949 [2020-12-09 19:58:57,386 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:58:57,386 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:58:57,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3,20 cvc4 --incremental --print-success --lang smt [2020-12-09 19:58:57,789 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:58:57,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:58:57,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1975345089, now seen corresponding path program 1 times [2020-12-09 19:58:57,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:58:57,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359043730] [2020-12-09 19:58:57,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 21 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with mathsat -unsat_core_generation=3 [2020-12-09 19:58:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:58,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 19:58:58,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:58:59,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2831 backedges. 295 proven. 2165 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2020-12-09 19:58:59,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:59:00,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2831 backedges. 1799 proven. 88 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2020-12-09 19:59:00,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359043730] [2020-12-09 19:59:00,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [430512900] [2020-12-09 19:59:00,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/cvc4 Starting monitored process 22 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:59:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:59:01,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 19:59:01,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:59:01,860 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 19:59:01,861 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:59:01,861 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:59:01,864 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:59:01,868 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:59:01,868 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 19:59:01,871 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:59:01,874 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:59:01,875 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 19:59:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2831 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 2536 trivial. 0 not checked. [2020-12-09 19:59:02,407 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:59:02,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 19:59:02,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 5] total 14 [2020-12-09 19:59:02,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206205163] [2020-12-09 19:59:02,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 19:59:02,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:59:02,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 19:59:02,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-12-09 19:59:02,409 INFO L87 Difference]: Start difference. First operand 4253 states and 4481 transitions. Second operand 6 states. [2020-12-09 19:59:05,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:59:05,469 INFO L93 Difference]: Finished difference Result 7130 states and 7626 transitions. [2020-12-09 19:59:05,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 19:59:05,475 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 948 [2020-12-09 19:59:05,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:59:05,481 INFO L225 Difference]: With dead ends: 7130 [2020-12-09 19:59:05,481 INFO L226 Difference]: Without dead ends: 4075 [2020-12-09 19:59:05,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2841 GetRequests, 2828 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-12-09 19:59:05,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4075 states. [2020-12-09 19:59:05,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4075 to 4075. [2020-12-09 19:59:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4075 states. [2020-12-09 19:59:05,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4075 states to 4075 states and 4260 transitions. [2020-12-09 19:59:05,524 INFO L78 Accepts]: Start accepts. Automaton has 4075 states and 4260 transitions. Word has length 948 [2020-12-09 19:59:05,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:59:05,524 INFO L481 AbstractCegarLoop]: Abstraction has 4075 states and 4260 transitions. [2020-12-09 19:59:05,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 19:59:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 4075 states and 4260 transitions. [2020-12-09 19:59:05,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2020-12-09 19:59:05,530 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:59:05,531 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:59:05,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 mathsat -unsat_core_generation=3,22 cvc4 --incremental --print-success --lang smt [2020-12-09 19:59:05,933 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:59:05,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:59:05,935 INFO L82 PathProgramCache]: Analyzing trace with hash -822801376, now seen corresponding path program 1 times [2020-12-09 19:59:05,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:59:05,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [519478570] [2020-12-09 19:59:05,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 23 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with mathsat -unsat_core_generation=3 [2020-12-09 19:59:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:59:06,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 19:59:06,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:59:07,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 295 proven. 2200 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2020-12-09 19:59:07,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:59:09,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 1827 proven. 95 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2020-12-09 19:59:09,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [519478570] [2020-12-09 19:59:09,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1168749518] [2020-12-09 19:59:09,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/cvc4 Starting monitored process 24 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:59:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:59:09,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 19:59:09,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:59:10,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 2571 trivial. 0 not checked. [2020-12-09 19:59:10,476 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:59:10,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 19:59:10,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 12 [2020-12-09 19:59:10,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955966393] [2020-12-09 19:59:10,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:59:10,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:59:10,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:59:10,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-12-09 19:59:10,478 INFO L87 Difference]: Start difference. First operand 4075 states and 4260 transitions. Second operand 4 states. [2020-12-09 19:59:13,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:59:13,101 INFO L93 Difference]: Finished difference Result 6766 states and 7152 transitions. [2020-12-09 19:59:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:59:13,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 955 [2020-12-09 19:59:13,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:59:13,111 INFO L225 Difference]: With dead ends: 6766 [2020-12-09 19:59:13,111 INFO L226 Difference]: Without dead ends: 4075 [2020-12-09 19:59:13,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2864 GetRequests, 2852 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-12-09 19:59:13,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4075 states. [2020-12-09 19:59:13,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4075 to 3719. [2020-12-09 19:59:13,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3719 states. [2020-12-09 19:59:13,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 3719 states and 3848 transitions. [2020-12-09 19:59:13,152 INFO L78 Accepts]: Start accepts. Automaton has 3719 states and 3848 transitions. Word has length 955 [2020-12-09 19:59:13,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:59:13,153 INFO L481 AbstractCegarLoop]: Abstraction has 3719 states and 3848 transitions. [2020-12-09 19:59:13,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:59:13,153 INFO L276 IsEmpty]: Start isEmpty. Operand 3719 states and 3848 transitions. [2020-12-09 19:59:13,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1037 [2020-12-09 19:59:13,160 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:59:13,160 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:59:13,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 mathsat -unsat_core_generation=3,24 cvc4 --incremental --print-success --lang smt [2020-12-09 19:59:13,562 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:59:13,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:59:13,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1310024199, now seen corresponding path program 1 times [2020-12-09 19:59:13,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:59:13,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290438574] [2020-12-09 19:59:13,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 25 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with mathsat -unsat_core_generation=3 [2020-12-09 19:59:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:59:13,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 19:59:13,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:59:15,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3529 backedges. 332 proven. 2751 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2020-12-09 19:59:15,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:59:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3529 backedges. 2334 proven. 176 refuted. 0 times theorem prover too weak. 1019 trivial. 0 not checked. [2020-12-09 19:59:17,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290438574] [2020-12-09 19:59:17,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [505211397] [2020-12-09 19:59:17,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/cvc4 Starting monitored process 26 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:59:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:59:18,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 19:59:18,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:59:19,434 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 13 [2020-12-09 19:59:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3529 backedges. 1975 proven. 176 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2020-12-09 19:59:21,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:59:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3529 backedges. 1938 proven. 213 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2020-12-09 19:59:24,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910818053] [2020-12-09 19:59:24,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:59:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:59:24,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 19:59:24,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:59:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3529 backedges. 2114 proven. 75 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2020-12-09 19:59:26,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:59:28,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3529 backedges. 2189 proven. 0 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2020-12-09 19:59:28,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2020-12-09 19:59:28,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5, 5, 6, 4] total 18 [2020-12-09 19:59:28,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282969132] [2020-12-09 19:59:28,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:59:28,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:59:28,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:59:28,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2020-12-09 19:59:28,191 INFO L87 Difference]: Start difference. First operand 3719 states and 3848 transitions. Second operand 4 states. [2020-12-09 19:59:33,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:59:33,122 INFO L93 Difference]: Finished difference Result 6213 states and 6488 transitions. [2020-12-09 19:59:33,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 19:59:33,123 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1036 [2020-12-09 19:59:33,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:59:33,128 INFO L225 Difference]: With dead ends: 6213 [2020-12-09 19:59:33,128 INFO L226 Difference]: Without dead ends: 4609 [2020-12-09 19:59:33,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6210 GetRequests, 6189 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2020-12-09 19:59:33,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4609 states. [2020-12-09 19:59:33,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4609 to 4431. [2020-12-09 19:59:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4431 states. [2020-12-09 19:59:33,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4431 states to 4431 states and 4583 transitions. [2020-12-09 19:59:33,169 INFO L78 Accepts]: Start accepts. Automaton has 4431 states and 4583 transitions. Word has length 1036 [2020-12-09 19:59:33,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:59:33,169 INFO L481 AbstractCegarLoop]: Abstraction has 4431 states and 4583 transitions. [2020-12-09 19:59:33,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:59:33,169 INFO L276 IsEmpty]: Start isEmpty. Operand 4431 states and 4583 transitions. [2020-12-09 19:59:33,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1085 [2020-12-09 19:59:33,177 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:59:33,178 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:59:33,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 cvc4 --incremental --print-success --lang smt,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,25 mathsat -unsat_core_generation=3 [2020-12-09 19:59:33,780 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:59:33,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:59:33,782 INFO L82 PathProgramCache]: Analyzing trace with hash -499435135, now seen corresponding path program 1 times [2020-12-09 19:59:33,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:59:33,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654593339] [2020-12-09 19:59:33,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 28 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with mathsat -unsat_core_generation=3 [2020-12-09 19:59:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:59:34,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-09 19:59:34,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:59:35,320 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 6, 1] term [2020-12-09 19:59:35,321 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 7 disjuncts [2020-12-09 19:59:37,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3752 backedges. 1239 proven. 2295 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2020-12-09 19:59:37,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:59:38,650 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 3, 1] term [2020-12-09 19:59:38,651 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 19:59:42,220 WARN L197 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 3 [2020-12-09 19:59:44,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3752 backedges. 2985 proven. 186 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2020-12-09 19:59:44,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654593339] [2020-12-09 19:59:44,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [328314053] [2020-12-09 19:59:44,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/cvc4 Starting monitored process 29 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:59:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:59:45,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 19:59:45,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:59:46,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3752 backedges. 1086 proven. 0 refuted. 0 times theorem prover too weak. 2666 trivial. 0 not checked. [2020-12-09 19:59:46,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:59:46,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 19:59:46,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14, 13] total 26 [2020-12-09 19:59:46,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120367898] [2020-12-09 19:59:46,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:59:46,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:59:46,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:59:46,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-12-09 19:59:46,267 INFO L87 Difference]: Start difference. First operand 4431 states and 4583 transitions. Second operand 3 states. [2020-12-09 19:59:47,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:59:47,798 INFO L93 Difference]: Finished difference Result 8860 states and 9197 transitions. [2020-12-09 19:59:47,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:59:47,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1084 [2020-12-09 19:59:47,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:59:47,804 INFO L225 Difference]: With dead ends: 8860 [2020-12-09 19:59:47,804 INFO L226 Difference]: Without dead ends: 4965 [2020-12-09 19:59:47,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3249 GetRequests, 3223 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-12-09 19:59:47,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4965 states. [2020-12-09 19:59:47,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4965 to 4965. [2020-12-09 19:59:47,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4965 states. [2020-12-09 19:59:47,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4965 states to 4965 states and 5132 transitions. [2020-12-09 19:59:47,851 INFO L78 Accepts]: Start accepts. Automaton has 4965 states and 5132 transitions. Word has length 1084 [2020-12-09 19:59:47,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:59:47,851 INFO L481 AbstractCegarLoop]: Abstraction has 4965 states and 5132 transitions. [2020-12-09 19:59:47,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:59:47,851 INFO L276 IsEmpty]: Start isEmpty. Operand 4965 states and 5132 transitions. [2020-12-09 19:59:47,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1114 [2020-12-09 19:59:47,859 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:59:47,860 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:59:48,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 cvc4 --incremental --print-success --lang smt,28 mathsat -unsat_core_generation=3 [2020-12-09 19:59:48,261 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:59:48,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:59:48,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1664766198, now seen corresponding path program 1 times [2020-12-09 19:59:48,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:59:48,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849180847] [2020-12-09 19:59:48,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 30 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with mathsat -unsat_core_generation=3 [2020-12-09 19:59:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:59:48,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-09 19:59:48,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:59:49,848 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 6, 1] term [2020-12-09 19:59:49,848 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 7 disjuncts [2020-12-09 19:59:52,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3853 backedges. 1340 proven. 2295 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2020-12-09 19:59:52,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:59:53,238 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 3, 1] term [2020-12-09 19:59:53,239 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 19:59:56,676 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 3 [2020-12-09 19:59:59,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3853 backedges. 3086 proven. 186 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2020-12-09 19:59:59,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849180847] [2020-12-09 19:59:59,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1425354971] [2020-12-09 19:59:59,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/cvc4 Starting monitored process 31 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with cvc4 --incremental --print-success --lang smt [2020-12-09 20:00:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:00:00,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 20:00:00,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:00:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3853 backedges. 2390 proven. 123 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2020-12-09 20:00:03,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:00:05,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3853 backedges. 2390 proven. 123 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2020-12-09 20:00:05,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725175495] [2020-12-09 20:00:05,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:00:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:00:05,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 20:00:05,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:00:08,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3853 backedges. 2390 proven. 123 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2020-12-09 20:00:08,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:00:09,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3853 backedges. 2390 proven. 123 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2020-12-09 20:00:09,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 20:00:09,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 4, 4, 4, 4] total 29 [2020-12-09 20:00:09,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641589634] [2020-12-09 20:00:09,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-12-09 20:00:09,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:00:09,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-12-09 20:00:09,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2020-12-09 20:00:09,821 INFO L87 Difference]: Start difference. First operand 4965 states and 5132 transitions. Second operand 29 states. [2020-12-09 20:00:10,073 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-09 20:00:29,037 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2020-12-09 20:00:34,156 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2020-12-09 20:00:38,256 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-12-09 20:00:42,754 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-09 20:00:43,703 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-09 20:00:45,755 WARN L197 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-09 20:00:47,068 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-09 20:00:48,379 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-09 20:00:49,187 WARN L197 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-12-09 20:00:54,374 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2020-12-09 20:01:03,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:01:03,160 INFO L93 Difference]: Finished difference Result 11211 states and 11616 transitions. [2020-12-09 20:01:03,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-09 20:01:03,161 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 1113 [2020-12-09 20:01:03,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:01:03,170 INFO L225 Difference]: With dead ends: 11211 [2020-12-09 20:01:03,171 INFO L226 Difference]: Without dead ends: 4816 [2020-12-09 20:01:03,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6708 GetRequests, 6654 SyntacticMatches, 6 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 618 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=606, Invalid=1844, Unknown=0, NotChecked=0, Total=2450 [2020-12-09 20:01:03,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4816 states. [2020-12-09 20:01:03,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4816 to 4266. [2020-12-09 20:01:03,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4266 states. [2020-12-09 20:01:03,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4266 states to 4266 states and 4336 transitions. [2020-12-09 20:01:03,219 INFO L78 Accepts]: Start accepts. Automaton has 4266 states and 4336 transitions. Word has length 1113 [2020-12-09 20:01:03,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:01:03,220 INFO L481 AbstractCegarLoop]: Abstraction has 4266 states and 4336 transitions. [2020-12-09 20:01:03,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-12-09 20:01:03,220 INFO L276 IsEmpty]: Start isEmpty. Operand 4266 states and 4336 transitions. [2020-12-09 20:01:03,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1651 [2020-12-09 20:01:03,234 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:01:03,234 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:01:03,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 cvc4 --incremental --print-success --lang smt,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,30 mathsat -unsat_core_generation=3 [2020-12-09 20:01:03,837 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:01:03,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:01:03,839 INFO L82 PathProgramCache]: Analyzing trace with hash -339858598, now seen corresponding path program 1 times [2020-12-09 20:01:03,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:01:03,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803047489] [2020-12-09 20:01:03,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 33 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with mathsat -unsat_core_generation=3 [2020-12-09 20:01:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:01:04,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 1803 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-09 20:01:04,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:01:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 8594 backedges. 476 proven. 7714 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2020-12-09 20:01:09,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:01:11,614 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 20:01:14,569 WARN L197 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 3 [2020-12-09 20:01:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 8594 backedges. 6212 proven. 654 refuted. 0 times theorem prover too weak. 1728 trivial. 0 not checked. [2020-12-09 20:01:19,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803047489] [2020-12-09 20:01:19,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1848535489] [2020-12-09 20:01:19,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/cvc4 Starting monitored process 34 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with cvc4 --incremental --print-success --lang smt [2020-12-09 20:01:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:01:20,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 1803 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 20:01:20,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:01:21,794 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 20:01:23,554 INFO L134 CoverageAnalysis]: Checked inductivity of 8594 backedges. 1781 proven. 37 refuted. 0 times theorem prover too weak. 6776 trivial. 0 not checked. [2020-12-09 20:01:23,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:01:26,329 INFO L134 CoverageAnalysis]: Checked inductivity of 8594 backedges. 1781 proven. 37 refuted. 0 times theorem prover too weak. 6776 trivial. 0 not checked. [2020-12-09 20:01:26,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328162918] [2020-12-09 20:01:26,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:01:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:01:26,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 1803 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-09 20:01:26,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:01:32,450 INFO L134 CoverageAnalysis]: Checked inductivity of 8594 backedges. 5347 proven. 139 refuted. 0 times theorem prover too weak. 3108 trivial. 0 not checked. [2020-12-09 20:01:32,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:01:33,171 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-09 20:01:34,045 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-09 20:01:35,215 WARN L197 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2020-12-09 20:01:35,323 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 20:01:35,324 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 20:01:35,339 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:01:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 8594 backedges. 1350 proven. 468 refuted. 0 times theorem prover too weak. 6776 trivial. 0 not checked. [2020-12-09 20:01:39,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 20:01:39,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 5, 5, 6, 6] total 29 [2020-12-09 20:01:39,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41233013] [2020-12-09 20:01:39,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-12-09 20:01:39,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:01:39,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-12-09 20:01:39,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=638, Unknown=0, NotChecked=0, Total=812 [2020-12-09 20:01:39,708 INFO L87 Difference]: Start difference. First operand 4266 states and 4336 transitions. Second operand 29 states. [2020-12-09 20:01:40,494 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 18 [2020-12-09 20:01:51,619 WARN L197 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2020-12-09 20:01:55,753 WARN L197 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2020-12-09 20:02:20,113 WARN L197 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2020-12-09 20:02:21,077 WARN L197 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2020-12-09 20:02:25,555 WARN L197 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2020-12-09 20:02:26,684 WARN L197 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2020-12-09 20:02:29,707 WARN L197 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2020-12-09 20:02:35,160 WARN L197 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2020-12-09 20:02:52,446 WARN L197 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2020-12-09 20:03:06,090 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2020-12-09 20:03:11,544 WARN L197 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-09 20:03:14,000 WARN L197 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 18 [2020-12-09 20:03:15,691 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-09 20:03:22,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:03:22,810 INFO L93 Difference]: Finished difference Result 8874 states and 9019 transitions. [2020-12-09 20:03:22,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-09 20:03:22,810 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 1650 [2020-12-09 20:03:22,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:03:22,815 INFO L225 Difference]: With dead ends: 8874 [2020-12-09 20:03:22,815 INFO L226 Difference]: Without dead ends: 5176 [2020-12-09 20:03:22,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9934 GetRequests, 9882 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 27.6s TimeCoverageRelationStatistics Valid=547, Invalid=2209, Unknown=0, NotChecked=0, Total=2756 [2020-12-09 20:03:22,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5176 states. [2020-12-09 20:03:22,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5176 to 4736. [2020-12-09 20:03:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4736 states. [2020-12-09 20:03:22,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4736 states to 4736 states and 4784 transitions. [2020-12-09 20:03:22,857 INFO L78 Accepts]: Start accepts. Automaton has 4736 states and 4784 transitions. Word has length 1650 [2020-12-09 20:03:22,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:03:22,858 INFO L481 AbstractCegarLoop]: Abstraction has 4736 states and 4784 transitions. [2020-12-09 20:03:22,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-12-09 20:03:22,858 INFO L276 IsEmpty]: Start isEmpty. Operand 4736 states and 4784 transitions. [2020-12-09 20:03:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1818 [2020-12-09 20:03:22,880 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:03:22,881 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:03:23,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,34 cvc4 --incremental --print-success --lang smt,33 mathsat -unsat_core_generation=3 [2020-12-09 20:03:23,483 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:03:23,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:03:23,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1727618608, now seen corresponding path program 1 times [2020-12-09 20:03:23,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:03:23,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609921494] [2020-12-09 20:03:23,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/mathsat Starting monitored process 36 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with mathsat -unsat_core_generation=3 [2020-12-09 20:03:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:03:23,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 1987 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-09 20:03:23,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:03:28,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10935 backedges. 109 proven. 10266 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2020-12-09 20:03:28,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:03:29,545 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 20:03:32,984 WARN L197 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 3 [2020-12-09 20:03:36,266 INFO L134 CoverageAnalysis]: Checked inductivity of 10935 backedges. 5775 proven. 170 refuted. 0 times theorem prover too weak. 4990 trivial. 0 not checked. [2020-12-09 20:03:36,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [609921494] [2020-12-09 20:03:36,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1186122616] [2020-12-09 20:03:36,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/cvc4 Starting monitored process 37 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with cvc4 --incremental --print-success --lang smt [2020-12-09 20:03:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:03:37,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 1987 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-09 20:03:37,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:03:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10935 backedges. 0 proven. 10266 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2020-12-09 20:03:41,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:03:43,013 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-09 20:03:47,088 INFO L134 CoverageAnalysis]: Checked inductivity of 10935 backedges. 2720 proven. 64 refuted. 0 times theorem prover too weak. 8151 trivial. 0 not checked. [2020-12-09 20:03:47,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271410783] [2020-12-09 20:03:47,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:03:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:03:47,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 1987 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 20:03:47,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:03:51,040 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-09 20:03:52,865 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2020-12-09 20:03:57,684 INFO L134 CoverageAnalysis]: Checked inductivity of 10935 backedges. 3533 proven. 551 refuted. 0 times theorem prover too weak. 6851 trivial. 0 not checked. [2020-12-09 20:03:57,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:03:59,571 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-09 20:04:00,960 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-09 20:04:05,108 INFO L134 CoverageAnalysis]: Checked inductivity of 10935 backedges. 2807 proven. 52 refuted. 0 times theorem prover too weak. 8076 trivial. 0 not checked. [2020-12-09 20:04:05,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 20:04:05,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 13, 5, 6, 6] total 33 [2020-12-09 20:04:05,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243997327] [2020-12-09 20:04:05,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-12-09 20:04:05,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:04:05,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-12-09 20:04:05,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=867, Unknown=0, NotChecked=0, Total=1056 [2020-12-09 20:04:05,117 INFO L87 Difference]: Start difference. First operand 4736 states and 4784 transitions. Second operand 33 states. [2020-12-09 20:04:25,118 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-09 20:04:54,170 WARN L197 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2020-12-09 20:05:07,223 WARN L197 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-12-09 20:05:59,622 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 13 [2020-12-09 20:06:02,777 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-09 20:06:06,977 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-09 20:06:08,358 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-09 20:06:29,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:06:29,154 INFO L93 Difference]: Finished difference Result 6253 states and 6335 transitions. [2020-12-09 20:06:29,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-09 20:06:29,162 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1817 [2020-12-09 20:06:29,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:06:29,164 INFO L225 Difference]: With dead ends: 6253 [2020-12-09 20:06:29,164 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 20:06:29,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10931 GetRequests, 10874 SyntacticMatches, 8 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 25.1s TimeCoverageRelationStatistics Valid=434, Invalid=2116, Unknown=0, NotChecked=0, Total=2550 [2020-12-09 20:06:29,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 20:06:29,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 20:06:29,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 20:06:29,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 20:06:29,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1817 [2020-12-09 20:06:29,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:06:29,169 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 20:06:29,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-12-09 20:06:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 20:06:29,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 20:06:29,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,36 mathsat -unsat_core_generation=3,37 cvc4 --incremental --print-success --lang smt [2020-12-09 20:06:29,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 20:06:30,211 WARN L197 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 363 [2020-12-09 20:06:30,516 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 363 [2020-12-09 20:07:03,959 WARN L197 SmtUtils]: Spent 33.44 s on a formula simplification. DAG size of input: 358 DAG size of output: 116 [2020-12-09 20:07:37,405 WARN L197 SmtUtils]: Spent 33.44 s on a formula simplification. DAG size of input: 358 DAG size of output: 119 [2020-12-09 20:07:37,408 INFO L262 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-12-09 20:07:37,408 INFO L262 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-12-09 20:07:37,408 INFO L262 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-12-09 20:07:37,408 INFO L262 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-12-09 20:07:37,409 INFO L262 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-12-09 20:07:37,409 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,409 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,409 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,409 INFO L262 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-12-09 20:07:37,409 INFO L262 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-12-09 20:07:37,409 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-09 20:07:37,409 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-09 20:07:37,409 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 20:07:37,409 INFO L262 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-12-09 20:07:37,409 INFO L262 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-12-09 20:07:37,409 INFO L262 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-12-09 20:07:37,409 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,409 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-12-09 20:07:37,410 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 20:07:37,411 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-09 20:07:37,411 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 20:07:37,411 INFO L262 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-12-09 20:07:37,411 INFO L262 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-12-09 20:07:37,411 INFO L262 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-12-09 20:07:37,411 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,411 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,411 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,411 INFO L262 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-12-09 20:07:37,411 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-09 20:07:37,411 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 20:07:37,411 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 20:07:37,411 INFO L262 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-12-09 20:07:37,411 INFO L262 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,412 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-09 20:07:37,413 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-12-09 20:07:37,414 INFO L262 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 20:07:37,415 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 131) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 20:07:37,416 INFO L262 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,417 INFO L262 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-12-09 20:07:37,418 INFO L262 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-12-09 20:07:37,419 INFO L262 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-12-09 20:07:37,420 INFO L262 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-12-09 20:07:37,420 INFO L262 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-12-09 20:07:37,420 INFO L262 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-12-09 20:07:37,420 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,420 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,420 INFO L262 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-12-09 20:07:37,420 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 20:07:37,420 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 20:07:37,420 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-09 20:07:37,420 INFO L262 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-12-09 20:07:37,420 INFO L262 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-12-09 20:07:37,420 INFO L262 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-12-09 20:07:37,420 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,420 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,421 INFO L258 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~a24~0)) (.cse27 (bvslt (_ bv80 32) ~a12~0)) (.cse2 (= (_ bv8 32) ~a15~0)) (.cse15 (bvsle ~a12~0 (_ bv4294967253 32))) (.cse18 (= (_ bv9 32) ~a15~0))) (let ((.cse10 (not .cse18)) (.cse3 (not .cse15)) (.cse22 (bvslt (_ bv11 32) ~a12~0)) (.cse21 (bvsge (_ bv80 32) ~a12~0)) (.cse23 (bvadd ~a12~0 (_ bv4294367247 32))) (.cse28 (not .cse2)) (.cse20 (not .cse27)) (.cse26 (bvsdiv (bvmul (bvsdiv (bvadd ~a12~0 (_ bv4294367230 32)) (_ bv5 32)) (_ bv34 32)) (_ bv10 32))) (.cse24 (= (_ bv7 32) ~a21~0)) (.cse17 (= (_ bv8 32) ~a21~0)) (.cse29 (not .cse0)) (.cse31 (= ULTIMATE.start_calculate_output_~input (_ bv1 32)))) (let ((.cse6 (not .cse31)) (.cse8 (exists ((v_~a12~0_531 (_ BitVec 32))) (and (bvsge (_ bv80 32) v_~a12~0_531) (bvslt (_ bv11 32) v_~a12~0_531) (= (bvadd (bvsdiv (bvadd v_~a12~0_531 (_ bv366333 32)) (_ bv5 32)) (_ bv4294367247 32)) ~a12~0)))) (.cse11 (or (not .cse17) .cse29)) (.cse19 (let ((.cse30 (or .cse24 (= (_ bv9 32) ~a21~0) .cse17))) (or (and .cse0 .cse30 (= (bvadd ULTIMATE.start_calculate_output_~input (_ bv4294967293 32)) (_ bv0 32))) (and .cse0 .cse30 (= ULTIMATE.start_calculate_output_~input (_ bv2 32))) (and .cse0 .cse30 .cse31) (and .cse0 .cse30 (= (bvadd ULTIMATE.start_calculate_output_~input (_ bv4294967292 32)) (_ bv0 32))) (and .cse0 .cse30 (= ULTIMATE.start_calculate_output_~input (_ bv5 32))) (and .cse0 .cse30 (= ULTIMATE.start_calculate_output_~input (_ bv6 32)))))) (.cse5 (= (_ bv5 32) ~a15~0)) (.cse4 (= (_ bv6 32) ~a21~0)) (.cse14 (bvsle .cse26 (_ bv4294967253 32))) (.cse25 (= ~a12~0 (_ bv4294967247 32))) (.cse7 (= (_ bv10 32) ~a21~0)) (.cse12 (or .cse28 .cse20)) (.cse1 (bvsle .cse23 (_ bv4294967253 32))) (.cse16 (or (not .cse22) (not .cse21))) (.cse9 (or .cse28 .cse29)) (.cse13 (or .cse10 .cse3))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse4) (and .cse0 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse11 .cse12 .cse1 .cse9 .cse13) (and .cse10 .cse0 .cse12 .cse1 .cse14 .cse15 .cse16 .cse9 .cse17 .cse13) (and .cse6 .cse8 .cse18 .cse17 .cse19) (and .cse0 .cse20 .cse2 .cse3) (and .cse5 .cse21 .cse22) (and .cse0 (not (bvslt (_ bv80 32) .cse23)) .cse11 .cse12 .cse14 .cse16 .cse9 .cse13) (= (_ bv6 32) ~a15~0) (and .cse24 .cse25 .cse2 .cse19) (and .cse5 (not (bvslt (_ bv4294967253 32) ~a12~0)) (not (bvslt (_ bv4294967253 32) .cse26)) .cse4) (and .cse0 .cse12 .cse1 .cse14 .cse18 .cse9 .cse17 .cse13) (and .cse0 .cse7 .cse25 .cse2) (and .cse0 .cse1 .cse7 .cse27 .cse2) (and .cse10 .cse0 .cse12 .cse1 .cse27 (= (_ bv7 32) ~a15~0) .cse16 .cse9 .cse17 .cse13) (and .cse0 (exists ((v_~a12~0_531 (_ BitVec 32))) (and (= (bvsdiv (bvadd v_~a12~0_531 (_ bv366333 32)) (_ bv5 32)) ~a12~0) (bvsge (_ bv80 32) v_~a12~0_531) (bvslt (_ bv11 32) v_~a12~0_531))) .cse2 .cse17))))) [2020-12-09 20:07:37,421 INFO L262 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-12-09 20:07:37,421 INFO L262 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-12-09 20:07:37,421 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 20:07:37,421 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-09 20:07:37,421 INFO L262 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-12-09 20:07:37,421 INFO L262 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-12-09 20:07:37,421 INFO L262 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-12-09 20:07:37,421 INFO L262 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-12-09 20:07:37,421 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,421 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,421 INFO L265 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-12-09 20:07:37,421 INFO L262 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,422 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-09 20:07:37,423 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,423 INFO L262 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-12-09 20:07:37,423 INFO L258 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~a24~0)) (.cse24 (bvslt (_ bv80 32) ~a12~0)) (.cse2 (= (_ bv8 32) ~a15~0)) (.cse14 (bvsle ~a12~0 (_ bv4294967253 32))) (.cse22 (= (_ bv9 32) ~a15~0))) (let ((.cse9 (not .cse22)) (.cse3 (not .cse14)) (.cse19 (bvslt (_ bv11 32) ~a12~0)) (.cse18 (bvsge (_ bv80 32) ~a12~0)) (.cse21 (bvadd ~a12~0 (_ bv4294367247 32))) (.cse25 (not .cse2)) (.cse17 (not .cse24)) (.cse23 (bvsdiv (bvmul (bvsdiv (bvadd ~a12~0 (_ bv4294367230 32)) (_ bv5 32)) (_ bv34 32)) (_ bv10 32))) (.cse16 (= (_ bv8 32) ~a21~0)) (.cse26 (not .cse0))) (let ((.cse10 (or (not .cse16) .cse26)) (.cse7 (exists ((v_~a12~0_531 (_ BitVec 32))) (and (bvsge (_ bv80 32) v_~a12~0_531) (bvslt (_ bv11 32) v_~a12~0_531) (= (bvadd (bvsdiv (bvadd v_~a12~0_531 (_ bv366333 32)) (_ bv5 32)) (_ bv4294367247 32)) ~a12~0)))) (.cse5 (= (_ bv5 32) ~a15~0)) (.cse4 (= (_ bv6 32) ~a21~0)) (.cse13 (bvsle .cse23 (_ bv4294967253 32))) (.cse20 (= ~a12~0 (_ bv4294967247 32))) (.cse6 (= (_ bv10 32) ~a21~0)) (.cse11 (or .cse25 .cse17)) (.cse1 (bvsle .cse21 (_ bv4294967253 32))) (.cse15 (or (not .cse19) (not .cse18))) (.cse8 (or .cse25 .cse26)) (.cse12 (or .cse9 .cse3))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse4) (and .cse0 (not (= ULTIMATE.start_calculate_output_~input (_ bv1 32))) .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse10 .cse11 .cse1 .cse8 .cse12) (and .cse9 .cse0 .cse11 .cse1 .cse13 .cse14 .cse15 .cse8 .cse16 .cse12) (and .cse0 .cse17 .cse2 .cse3) (and .cse5 .cse18 .cse19) (and .cse0 (= (_ bv7 32) ~a21~0) .cse20 .cse2) (and .cse0 (not (bvslt (_ bv80 32) .cse21)) .cse10 .cse11 .cse13 .cse15 .cse8 .cse12) (and .cse7 .cse22 .cse16 (or (and .cse0 (= ULTIMATE.start_calculate_output_~input (_ bv5 32))) (and .cse0 (= (bvadd ULTIMATE.start_calculate_output_~input (_ bv4294967293 32)) (_ bv0 32))) (and .cse0 (= ULTIMATE.start_calculate_output_~input (_ bv6 32))) (and .cse0 (= ULTIMATE.start_calculate_output_~input (_ bv2 32))) (and .cse0 (= (bvadd ULTIMATE.start_calculate_output_~input (_ bv4294967292 32)) (_ bv0 32))))) (= (_ bv6 32) ~a15~0) (and .cse5 (not (bvslt (_ bv4294967253 32) ~a12~0)) (not (bvslt (_ bv4294967253 32) .cse23)) .cse4) (and .cse0 .cse11 .cse1 .cse13 .cse22 .cse8 .cse16 .cse12) (and .cse0 .cse6 .cse20 .cse2) (and .cse0 .cse1 .cse6 .cse24 .cse2) (and .cse9 .cse0 .cse11 .cse1 .cse24 (= (_ bv7 32) ~a15~0) .cse15 .cse8 .cse16 .cse12) (and .cse0 (exists ((v_~a12~0_531 (_ BitVec 32))) (and (= (bvsdiv (bvadd v_~a12~0_531 (_ bv366333 32)) (_ bv5 32)) ~a12~0) (bvsge (_ bv80 32) v_~a12~0_531) (bvslt (_ bv11 32) v_~a12~0_531))) .cse2 .cse16))))) [2020-12-09 20:07:37,423 INFO L262 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-12-09 20:07:37,423 INFO L262 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-12-09 20:07:37,423 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 20:07:37,423 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 20:07:37,423 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-09 20:07:37,423 INFO L262 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-12-09 20:07:37,423 INFO L262 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-12-09 20:07:37,423 INFO L262 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-12-09 20:07:37,423 INFO L262 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-12-09 20:07:37,423 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,424 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,424 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 20:07:37,424 INFO L262 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-12-09 20:07:37,424 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 20:07:37,424 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-09 20:07:37,424 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 20:07:37,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,431 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,431 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:07:37 BoogieIcfgContainer [2020-12-09 20:07:37,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 20:07:37,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 20:07:37,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 20:07:37,457 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 20:07:37,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:57:24" (3/4) ... [2020-12-09 20:07:37,460 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 20:07:37,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 20:07:37,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 20:07:37,479 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 20:07:37,480 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 20:07:37,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((1bv32 == a24 && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 8bv32 == a15) && !~bvsle32(a12, 4294967253bv32)) && 6bv32 == a21) || ((1bv32 == a24 && 5bv32 == a15) && 6bv32 == a21)) || ((((1bv32 == a24 && !(input == 1bv32)) && 10bv32 == a21) && (\exists v_~a12~0_531 : bv32 :: (~bvsge32(80bv32, v_~a12~0_531) && ~bvslt32(11bv32, v_~a12~0_531)) && ~bvadd64(~bvsdiv32(~bvadd64(v_~a12~0_531, 366333bv32), 5bv32), 4294367247bv32) == a12)) && (!(8bv32 == a15) || !(1bv32 == a24)))) || ((((((!(9bv32 == a15) && 1bv32 == a24) && (!(8bv32 == a21) || !(1bv32 == a24))) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && (!(8bv32 == a15) || !(1bv32 == a24))) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((((((((!(9bv32 == a15) && 1bv32 == a24) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && ~bvsle32(~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32), 4294967253bv32)) && ~bvsle32(a12, 4294967253bv32)) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && (!(8bv32 == a15) || !(1bv32 == a24))) && 8bv32 == a21) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((1bv32 == a24 && !~bvslt32(80bv32, a12)) && 8bv32 == a15) && !~bvsle32(a12, 4294967253bv32))) || ((5bv32 == a15 && ~bvsge32(80bv32, a12)) && ~bvslt32(11bv32, a12))) || (((1bv32 == a24 && 7bv32 == a21) && a12 == 4294967247bv32) && 8bv32 == a15)) || (((((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && (!(8bv32 == a21) || !(1bv32 == a24))) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32), 4294967253bv32)) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && (!(8bv32 == a15) || !(1bv32 == a24))) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || ((((\exists v_~a12~0_531 : bv32 :: (~bvsge32(80bv32, v_~a12~0_531) && ~bvslt32(11bv32, v_~a12~0_531)) && ~bvadd64(~bvsdiv32(~bvadd64(v_~a12~0_531, 366333bv32), 5bv32), 4294367247bv32) == a12) && 9bv32 == a15) && 8bv32 == a21) && (((((1bv32 == a24 && input == 5bv32) || (1bv32 == a24 && ~bvadd64(input, 4294967293bv32) == 0bv32)) || (1bv32 == a24 && input == 6bv32)) || (1bv32 == a24 && input == 2bv32)) || (1bv32 == a24 && ~bvadd64(input, 4294967292bv32) == 0bv32)))) || 6bv32 == a15) || (((5bv32 == a15 && !~bvslt32(4294967253bv32, a12)) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32))) && 6bv32 == a21)) || (((((((1bv32 == a24 && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && ~bvsle32(~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32), 4294967253bv32)) && 9bv32 == a15) && (!(8bv32 == a15) || !(1bv32 == a24))) && 8bv32 == a21) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((1bv32 == a24 && 10bv32 == a21) && a12 == 4294967247bv32) && 8bv32 == a15)) || ((((1bv32 == a24 && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 10bv32 == a21) && ~bvslt32(80bv32, a12)) && 8bv32 == a15)) || (((((((((!(9bv32 == a15) && 1bv32 == a24) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && ~bvslt32(80bv32, a12)) && 7bv32 == a15) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && (!(8bv32 == a15) || !(1bv32 == a24))) && 8bv32 == a21) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((1bv32 == a24 && (\exists v_~a12~0_531 : bv32 :: (~bvsdiv32(~bvadd64(v_~a12~0_531, 366333bv32), 5bv32) == a12 && ~bvsge32(80bv32, v_~a12~0_531)) && ~bvslt32(11bv32, v_~a12~0_531))) && 8bv32 == a15) && 8bv32 == a21) [2020-12-09 20:07:37,500 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((1bv32 == a24 && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 8bv32 == a15) && !~bvsle32(a12, 4294967253bv32)) && 6bv32 == a21) || ((1bv32 == a24 && 5bv32 == a15) && 6bv32 == a21)) || ((((1bv32 == a24 && !(input == 1bv32)) && 10bv32 == a21) && (\exists v_~a12~0_531 : bv32 :: (~bvsge32(80bv32, v_~a12~0_531) && ~bvslt32(11bv32, v_~a12~0_531)) && ~bvadd64(~bvsdiv32(~bvadd64(v_~a12~0_531, 366333bv32), 5bv32), 4294367247bv32) == a12)) && (!(8bv32 == a15) || !(1bv32 == a24)))) || ((((((!(9bv32 == a15) && 1bv32 == a24) && (!(8bv32 == a21) || !(1bv32 == a24))) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && (!(8bv32 == a15) || !(1bv32 == a24))) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((((((((!(9bv32 == a15) && 1bv32 == a24) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && ~bvsle32(~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32), 4294967253bv32)) && ~bvsle32(a12, 4294967253bv32)) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && (!(8bv32 == a15) || !(1bv32 == a24))) && 8bv32 == a21) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || ((((!(input == 1bv32) && (\exists v_~a12~0_531 : bv32 :: (~bvsge32(80bv32, v_~a12~0_531) && ~bvslt32(11bv32, v_~a12~0_531)) && ~bvadd64(~bvsdiv32(~bvadd64(v_~a12~0_531, 366333bv32), 5bv32), 4294367247bv32) == a12)) && 9bv32 == a15) && 8bv32 == a21) && (((((((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvadd64(input, 4294967293bv32) == 0bv32) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 2bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 1bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvadd64(input, 4294967292bv32) == 0bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 5bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 6bv32)))) || (((1bv32 == a24 && !~bvslt32(80bv32, a12)) && 8bv32 == a15) && !~bvsle32(a12, 4294967253bv32))) || ((5bv32 == a15 && ~bvsge32(80bv32, a12)) && ~bvslt32(11bv32, a12))) || (((((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && (!(8bv32 == a21) || !(1bv32 == a24))) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32), 4294967253bv32)) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && (!(8bv32 == a15) || !(1bv32 == a24))) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || 6bv32 == a15) || (((7bv32 == a21 && a12 == 4294967247bv32) && 8bv32 == a15) && (((((((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvadd64(input, 4294967293bv32) == 0bv32) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 2bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 1bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvadd64(input, 4294967292bv32) == 0bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 5bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 6bv32)))) || (((5bv32 == a15 && !~bvslt32(4294967253bv32, a12)) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32))) && 6bv32 == a21)) || (((((((1bv32 == a24 && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && ~bvsle32(~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32), 4294967253bv32)) && 9bv32 == a15) && (!(8bv32 == a15) || !(1bv32 == a24))) && 8bv32 == a21) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((1bv32 == a24 && 10bv32 == a21) && a12 == 4294967247bv32) && 8bv32 == a15)) || ((((1bv32 == a24 && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 10bv32 == a21) && ~bvslt32(80bv32, a12)) && 8bv32 == a15)) || (((((((((!(9bv32 == a15) && 1bv32 == a24) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && ~bvslt32(80bv32, a12)) && 7bv32 == a15) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && (!(8bv32 == a15) || !(1bv32 == a24))) && 8bv32 == a21) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((1bv32 == a24 && (\exists v_~a12~0_531 : bv32 :: (~bvsdiv32(~bvadd64(v_~a12~0_531, 366333bv32), 5bv32) == a12 && ~bvsge32(80bv32, v_~a12~0_531)) && ~bvslt32(11bv32, v_~a12~0_531))) && 8bv32 == a15) && 8bv32 == a21) [2020-12-09 20:07:37,588 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c3b3052a-f8cc-461e-9c7d-e4d706e171f0/bin/utaipan/witness.graphml [2020-12-09 20:07:37,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 20:07:37,589 INFO L168 Benchmark]: Toolchain (without parser) took 616201.15 ms. Allocated memory was 60.8 MB in the beginning and 847.2 MB in the end (delta: 786.4 MB). Free memory was 40.0 MB in the beginning and 263.1 MB in the end (delta: -223.1 MB). Peak memory consumption was 561.7 MB. Max. memory is 16.1 GB. [2020-12-09 20:07:37,589 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 60.8 MB. Free memory was 43.7 MB in the beginning and 43.6 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:07:37,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.79 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 39.8 MB in the beginning and 61.8 MB in the end (delta: -22.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2020-12-09 20:07:37,590 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.64 ms. Allocated memory is still 81.8 MB. Free memory was 61.8 MB in the beginning and 54.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 20:07:37,590 INFO L168 Benchmark]: Boogie Preprocessor took 54.97 ms. Allocated memory is still 81.8 MB. Free memory was 54.9 MB in the beginning and 49.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 20:07:37,591 INFO L168 Benchmark]: RCFGBuilder took 2404.45 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 49.7 MB in the beginning and 70.7 MB in the end (delta: -20.9 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2020-12-09 20:07:37,591 INFO L168 Benchmark]: TraceAbstraction took 613061.96 ms. Allocated memory was 109.1 MB in the beginning and 847.2 MB in the end (delta: 738.2 MB). Free memory was 69.9 MB in the beginning and 280.9 MB in the end (delta: -211.0 MB). Peak memory consumption was 638.8 MB. Max. memory is 16.1 GB. [2020-12-09 20:07:37,592 INFO L168 Benchmark]: Witness Printer took 131.38 ms. Allocated memory is still 847.2 MB. Free memory was 280.9 MB in the beginning and 263.1 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 20:07:37,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 60.8 MB. Free memory was 43.7 MB in the beginning and 43.6 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 482.79 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 39.8 MB in the beginning and 61.8 MB in the end (delta: -22.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.64 ms. Allocated memory is still 81.8 MB. Free memory was 61.8 MB in the beginning and 54.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.97 ms. Allocated memory is still 81.8 MB. Free memory was 54.9 MB in the beginning and 49.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2404.45 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 49.7 MB in the beginning and 70.7 MB in the end (delta: -20.9 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 613061.96 ms. Allocated memory was 109.1 MB in the beginning and 847.2 MB in the end (delta: 738.2 MB). Free memory was 69.9 MB in the beginning and 280.9 MB in the end (delta: -211.0 MB). Peak memory consumption was 638.8 MB. Max. memory is 16.1 GB. * Witness Printer took 131.38 ms. Allocated memory is still 847.2 MB. Free memory was 280.9 MB in the beginning and 263.1 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 131]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant [2020-12-09 20:07:37,599 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,599 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,601 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,601 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,601 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] Derived loop invariant: (((((((((((((((((((1bv32 == a24 && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 8bv32 == a15) && !~bvsle32(a12, 4294967253bv32)) && 6bv32 == a21) || ((1bv32 == a24 && 5bv32 == a15) && 6bv32 == a21)) || ((((1bv32 == a24 && !(input == 1bv32)) && 10bv32 == a21) && (\exists v_~a12~0_531 : bv32 :: (~bvsge32(80bv32, v_~a12~0_531) && ~bvslt32(11bv32, v_~a12~0_531)) && ~bvadd64(~bvsdiv32(~bvadd64(v_~a12~0_531, 366333bv32), 5bv32), 4294367247bv32) == a12)) && (!(8bv32 == a15) || !(1bv32 == a24)))) || ((((((!(9bv32 == a15) && 1bv32 == a24) && (!(8bv32 == a21) || !(1bv32 == a24))) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && (!(8bv32 == a15) || !(1bv32 == a24))) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((((((((!(9bv32 == a15) && 1bv32 == a24) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && ~bvsle32(~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32), 4294967253bv32)) && ~bvsle32(a12, 4294967253bv32)) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && (!(8bv32 == a15) || !(1bv32 == a24))) && 8bv32 == a21) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((1bv32 == a24 && !~bvslt32(80bv32, a12)) && 8bv32 == a15) && !~bvsle32(a12, 4294967253bv32))) || ((5bv32 == a15 && ~bvsge32(80bv32, a12)) && ~bvslt32(11bv32, a12))) || (((1bv32 == a24 && 7bv32 == a21) && a12 == 4294967247bv32) && 8bv32 == a15)) || (((((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && (!(8bv32 == a21) || !(1bv32 == a24))) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32), 4294967253bv32)) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && (!(8bv32 == a15) || !(1bv32 == a24))) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || ((((\exists v_~a12~0_531 : bv32 :: (~bvsge32(80bv32, v_~a12~0_531) && ~bvslt32(11bv32, v_~a12~0_531)) && ~bvadd64(~bvsdiv32(~bvadd64(v_~a12~0_531, 366333bv32), 5bv32), 4294367247bv32) == a12) && 9bv32 == a15) && 8bv32 == a21) && (((((1bv32 == a24 && input == 5bv32) || (1bv32 == a24 && ~bvadd64(input, 4294967293bv32) == 0bv32)) || (1bv32 == a24 && input == 6bv32)) || (1bv32 == a24 && input == 2bv32)) || (1bv32 == a24 && ~bvadd64(input, 4294967292bv32) == 0bv32)))) || 6bv32 == a15) || (((5bv32 == a15 && !~bvslt32(4294967253bv32, a12)) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32))) && 6bv32 == a21)) || (((((((1bv32 == a24 && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && ~bvsle32(~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32), 4294967253bv32)) && 9bv32 == a15) && (!(8bv32 == a15) || !(1bv32 == a24))) && 8bv32 == a21) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((1bv32 == a24 && 10bv32 == a21) && a12 == 4294967247bv32) && 8bv32 == a15)) || ((((1bv32 == a24 && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 10bv32 == a21) && ~bvslt32(80bv32, a12)) && 8bv32 == a15)) || (((((((((!(9bv32 == a15) && 1bv32 == a24) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && ~bvslt32(80bv32, a12)) && 7bv32 == a15) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && (!(8bv32 == a15) || !(1bv32 == a24))) && 8bv32 == a21) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((1bv32 == a24 && (\exists v_~a12~0_531 : bv32 :: (~bvsdiv32(~bvadd64(v_~a12~0_531, 366333bv32), 5bv32) == a12 && ~bvsge32(80bv32, v_~a12~0_531)) && ~bvslt32(11bv32, v_~a12~0_531))) && 8bv32 == a15) && 8bv32 == a21) - InvariantResult [Line: 30]: Loop Invariant [2020-12-09 20:07:37,607 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,608 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,608 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,608 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,608 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,608 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,614 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,614 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] [2020-12-09 20:07:37,614 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_531,QUANTIFIED] Derived loop invariant: (((((((((((((((((((1bv32 == a24 && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 8bv32 == a15) && !~bvsle32(a12, 4294967253bv32)) && 6bv32 == a21) || ((1bv32 == a24 && 5bv32 == a15) && 6bv32 == a21)) || ((((1bv32 == a24 && !(input == 1bv32)) && 10bv32 == a21) && (\exists v_~a12~0_531 : bv32 :: (~bvsge32(80bv32, v_~a12~0_531) && ~bvslt32(11bv32, v_~a12~0_531)) && ~bvadd64(~bvsdiv32(~bvadd64(v_~a12~0_531, 366333bv32), 5bv32), 4294367247bv32) == a12)) && (!(8bv32 == a15) || !(1bv32 == a24)))) || ((((((!(9bv32 == a15) && 1bv32 == a24) && (!(8bv32 == a21) || !(1bv32 == a24))) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && (!(8bv32 == a15) || !(1bv32 == a24))) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((((((((!(9bv32 == a15) && 1bv32 == a24) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && ~bvsle32(~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32), 4294967253bv32)) && ~bvsle32(a12, 4294967253bv32)) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && (!(8bv32 == a15) || !(1bv32 == a24))) && 8bv32 == a21) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || ((((!(input == 1bv32) && (\exists v_~a12~0_531 : bv32 :: (~bvsge32(80bv32, v_~a12~0_531) && ~bvslt32(11bv32, v_~a12~0_531)) && ~bvadd64(~bvsdiv32(~bvadd64(v_~a12~0_531, 366333bv32), 5bv32), 4294367247bv32) == a12)) && 9bv32 == a15) && 8bv32 == a21) && (((((((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvadd64(input, 4294967293bv32) == 0bv32) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 2bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 1bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvadd64(input, 4294967292bv32) == 0bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 5bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 6bv32)))) || (((1bv32 == a24 && !~bvslt32(80bv32, a12)) && 8bv32 == a15) && !~bvsle32(a12, 4294967253bv32))) || ((5bv32 == a15 && ~bvsge32(80bv32, a12)) && ~bvslt32(11bv32, a12))) || (((((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && (!(8bv32 == a21) || !(1bv32 == a24))) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32), 4294967253bv32)) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && (!(8bv32 == a15) || !(1bv32 == a24))) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || 6bv32 == a15) || (((7bv32 == a21 && a12 == 4294967247bv32) && 8bv32 == a15) && (((((((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvadd64(input, 4294967293bv32) == 0bv32) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 2bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 1bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvadd64(input, 4294967292bv32) == 0bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 5bv32)) || ((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && input == 6bv32)))) || (((5bv32 == a15 && !~bvslt32(4294967253bv32, a12)) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32))) && 6bv32 == a21)) || (((((((1bv32 == a24 && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && ~bvsle32(~bvsdiv32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294367230bv32), 5bv32), 34bv32), 10bv32), 4294967253bv32)) && 9bv32 == a15) && (!(8bv32 == a15) || !(1bv32 == a24))) && 8bv32 == a21) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((1bv32 == a24 && 10bv32 == a21) && a12 == 4294967247bv32) && 8bv32 == a15)) || ((((1bv32 == a24 && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 10bv32 == a21) && ~bvslt32(80bv32, a12)) && 8bv32 == a15)) || (((((((((!(9bv32 == a15) && 1bv32 == a24) && (!(8bv32 == a15) || !~bvslt32(80bv32, a12))) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && ~bvslt32(80bv32, a12)) && 7bv32 == a15) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && (!(8bv32 == a15) || !(1bv32 == a24))) && 8bv32 == a21) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((1bv32 == a24 && (\exists v_~a12~0_531 : bv32 :: (~bvsdiv32(~bvadd64(v_~a12~0_531, 366333bv32), 5bv32) == a12 && ~bvsge32(80bv32, v_~a12~0_531)) && ~bvslt32(11bv32, v_~a12~0_531))) && 8bv32 == a15) && 8bv32 == a21) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 545.3s, OverallIterations: 21, TraceHistogramMax: 16, AutomataDifference: 368.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 67.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2730 SDtfs, 17903 SDslu, 1333 SDs, 0 SdLazy, 76155 SolverSat, 2197 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 298.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57482 GetRequests, 57120 SyntacticMatches, 60 SemanticMatches, 302 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2460 ImplicationChecksByTransitivity, 84.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4965occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 21 MinimizatonAttempts, 3450 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 139 NumberOfFragments, 1262 HoareAnnotationTreeSize, 3 FomulaSimplifications, 9449 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 34311 FormulaSimplificationTreeSizeReductionInter, 66.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 11.1s SatisfiabilityAnalysisTime, 155.4s InterpolantComputationTime, 32185 NumberOfCodeBlocks, 32185 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 57336 ConstructedInterpolants, 1440 QuantifiedInterpolants, 337146552 SizeOfPredicates, 107 NumberOfNonLiveVariables, 35926 ConjunctsInSsa, 281 ConjunctsInUnsatCore, 61 InterpolantComputations, 17 PerfectInterpolantSequences, 171185/219984 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...