./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label26.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec64944e15cde20ad15af2bd0f0e78efc8184588 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:53:13,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:53:13,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:53:13,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:53:13,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:53:13,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:53:13,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:53:13,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:53:13,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:53:13,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:53:13,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:53:13,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:53:13,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:53:13,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:53:13,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:53:13,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:53:13,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:53:13,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:53:13,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:53:13,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:53:13,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:53:13,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:53:13,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:53:13,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:53:13,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:53:13,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:53:13,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:53:13,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:53:13,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:53:13,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:53:13,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:53:13,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:53:13,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:53:13,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:53:13,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:53:13,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:53:13,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:53:13,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:53:13,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:53:13,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:53:13,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:53:13,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:53:13,940 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:53:13,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:53:13,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:53:13,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:53:13,942 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:53:13,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:53:13,942 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:53:13,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:53:13,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:53:13,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:53:13,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:53:13,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:53:13,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:53:13,944 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:53:13,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:53:13,944 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:53:13,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:53:13,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:53:13,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:53:13,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:53:13,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:53:13,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:53:13,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:53:13,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:53:13,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:53:13,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:53:13,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:53:13,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:53:13,947 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2019-11-15 23:53:13,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:53:13,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:53:13,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:53:13,985 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:53:13,986 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:53:13,986 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-15 23:53:14,034 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer/data/3148ff02b/31d8094845a34962b055c51933df82ec/FLAGbb6616194 [2019-11-15 23:53:14,506 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:53:14,506 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-15 23:53:14,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer/data/3148ff02b/31d8094845a34962b055c51933df82ec/FLAGbb6616194 [2019-11-15 23:53:14,816 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer/data/3148ff02b/31d8094845a34962b055c51933df82ec [2019-11-15 23:53:14,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:53:14,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:53:14,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:53:14,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:53:14,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:53:14,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:53:14" (1/1) ... [2019-11-15 23:53:14,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e68467f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:14, skipping insertion in model container [2019-11-15 23:53:14,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:53:14" (1/1) ... [2019-11-15 23:53:14,831 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:53:14,882 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:53:15,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:53:15,269 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:53:15,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:53:15,361 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:53:15,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:15 WrapperNode [2019-11-15 23:53:15,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:53:15,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:53:15,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:53:15,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:53:15,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:15" (1/1) ... [2019-11-15 23:53:15,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:15" (1/1) ... [2019-11-15 23:53:15,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:53:15,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:53:15,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:53:15,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:53:15,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:15" (1/1) ... [2019-11-15 23:53:15,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:15" (1/1) ... [2019-11-15 23:53:15,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:15" (1/1) ... [2019-11-15 23:53:15,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:15" (1/1) ... [2019-11-15 23:53:15,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:15" (1/1) ... [2019-11-15 23:53:15,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:15" (1/1) ... [2019-11-15 23:53:15,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:15" (1/1) ... [2019-11-15 23:53:15,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:53:15,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:53:15,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:53:15,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:53:15,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer/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 [2019-11-15 23:53:15,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:53:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:53:16,957 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:53:16,957 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 23:53:16,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:53:16 BoogieIcfgContainer [2019-11-15 23:53:16,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:53:16,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:53:16,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:53:16,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:53:16,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:53:14" (1/3) ... [2019-11-15 23:53:16,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1528a868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:53:16, skipping insertion in model container [2019-11-15 23:53:16,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:15" (2/3) ... [2019-11-15 23:53:16,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1528a868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:53:16, skipping insertion in model container [2019-11-15 23:53:16,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:53:16" (3/3) ... [2019-11-15 23:53:16,968 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2019-11-15 23:53:16,977 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:53:16,984 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:53:16,994 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:53:17,032 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:53:17,033 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:53:17,033 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:53:17,033 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:53:17,033 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:53:17,033 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:53:17,033 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:53:17,033 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:53:17,051 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-15 23:53:17,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-15 23:53:17,064 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:53:17,064 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:53:17,066 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:53:17,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:53:17,071 INFO L82 PathProgramCache]: Analyzing trace with hash 768814821, now seen corresponding path program 1 times [2019-11-15 23:53:17,079 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:53:17,079 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228050223] [2019-11-15 23:53:17,079 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:17,080 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:17,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:53:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:53:17,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:53:17,567 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228050223] [2019-11-15 23:53:17,568 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:53:17,568 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:53:17,569 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472023631] [2019-11-15 23:53:17,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:53:17,573 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:53:17,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:53:17,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:53:17,588 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-15 23:53:18,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:53:18,961 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-11-15 23:53:18,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:53:18,964 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2019-11-15 23:53:18,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:53:18,988 INFO L225 Difference]: With dead ends: 739 [2019-11-15 23:53:18,988 INFO L226 Difference]: Without dead ends: 445 [2019-11-15 23:53:18,996 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:53:19,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-15 23:53:19,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-11-15 23:53:19,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-11-15 23:53:19,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-11-15 23:53:19,077 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 136 [2019-11-15 23:53:19,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:53:19,078 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-11-15 23:53:19,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:53:19,079 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-11-15 23:53:19,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-15 23:53:19,083 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:53:19,084 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:53:19,084 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:53:19,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:53:19,084 INFO L82 PathProgramCache]: Analyzing trace with hash -90241050, now seen corresponding path program 1 times [2019-11-15 23:53:19,085 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:53:19,085 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810907512] [2019-11-15 23:53:19,085 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:19,085 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:19,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:53:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:53:19,164 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:53:19,164 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810907512] [2019-11-15 23:53:19,165 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:53:19,165 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:53:19,165 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622468398] [2019-11-15 23:53:19,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:53:19,167 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:53:19,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:53:19,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:53:19,168 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-11-15 23:53:19,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:53:19,992 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-11-15 23:53:19,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:53:19,992 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2019-11-15 23:53:19,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:53:19,998 INFO L225 Difference]: With dead ends: 1470 [2019-11-15 23:53:19,999 INFO L226 Difference]: Without dead ends: 1027 [2019-11-15 23:53:20,000 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:53:20,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-11-15 23:53:20,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-11-15 23:53:20,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-15 23:53:20,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-11-15 23:53:20,034 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 154 [2019-11-15 23:53:20,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:53:20,034 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-11-15 23:53:20,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:53:20,035 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-11-15 23:53:20,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-15 23:53:20,037 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:53:20,038 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:53:20,038 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:53:20,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:53:20,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1636593553, now seen corresponding path program 1 times [2019-11-15 23:53:20,039 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:53:20,039 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418377699] [2019-11-15 23:53:20,039 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:20,039 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:20,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:53:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:53:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:53:20,130 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418377699] [2019-11-15 23:53:20,130 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:53:20,130 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:53:20,130 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805353402] [2019-11-15 23:53:20,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:53:20,131 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:53:20,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:53:20,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:53:20,132 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-11-15 23:53:21,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:53:21,041 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-11-15 23:53:21,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:53:21,042 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2019-11-15 23:53:21,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:53:21,053 INFO L225 Difference]: With dead ends: 2582 [2019-11-15 23:53:21,053 INFO L226 Difference]: Without dead ends: 1855 [2019-11-15 23:53:21,055 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:53:21,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-11-15 23:53:21,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-11-15 23:53:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-11-15 23:53:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2141 transitions. [2019-11-15 23:53:21,104 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2141 transitions. Word has length 158 [2019-11-15 23:53:21,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:53:21,105 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2141 transitions. [2019-11-15 23:53:21,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:53:21,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2141 transitions. [2019-11-15 23:53:21,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-15 23:53:21,111 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:53:21,111 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:53:21,111 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:53:21,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:53:21,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1768582300, now seen corresponding path program 1 times [2019-11-15 23:53:21,112 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:53:21,112 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32529617] [2019-11-15 23:53:21,112 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:21,112 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:21,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:53:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:53:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:53:21,195 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32529617] [2019-11-15 23:53:21,195 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:53:21,196 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 23:53:21,196 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134620255] [2019-11-15 23:53:21,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:53:21,197 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:53:21,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:53:21,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:53:21,197 INFO L87 Difference]: Start difference. First operand 1570 states and 2141 transitions. Second operand 3 states. [2019-11-15 23:53:21,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:53:21,759 INFO L93 Difference]: Finished difference Result 3840 states and 5193 transitions. [2019-11-15 23:53:21,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:53:21,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-11-15 23:53:21,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:53:21,770 INFO L225 Difference]: With dead ends: 3840 [2019-11-15 23:53:21,771 INFO L226 Difference]: Without dead ends: 2272 [2019-11-15 23:53:21,773 INFO L600 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 [2019-11-15 23:53:21,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-15 23:53:21,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-11-15 23:53:21,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-11-15 23:53:21,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2838 transitions. [2019-11-15 23:53:21,830 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2838 transitions. Word has length 158 [2019-11-15 23:53:21,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:53:21,831 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2838 transitions. [2019-11-15 23:53:21,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:53:21,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2838 transitions. [2019-11-15 23:53:21,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-15 23:53:21,837 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:53:21,837 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:53:21,837 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:53:21,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:53:21,838 INFO L82 PathProgramCache]: Analyzing trace with hash 628642087, now seen corresponding path program 1 times [2019-11-15 23:53:21,839 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:53:21,839 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347075303] [2019-11-15 23:53:21,839 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:21,839 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:21,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:53:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:53:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-15 23:53:21,973 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347075303] [2019-11-15 23:53:21,973 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:53:21,974 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:53:21,974 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403699971] [2019-11-15 23:53:21,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:53:21,975 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:53:21,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:53:21,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:53:21,976 INFO L87 Difference]: Start difference. First operand 2272 states and 2838 transitions. Second operand 3 states. [2019-11-15 23:53:22,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:53:22,514 INFO L93 Difference]: Finished difference Result 5381 states and 6669 transitions. [2019-11-15 23:53:22,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:53:22,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-11-15 23:53:22,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:53:22,529 INFO L225 Difference]: With dead ends: 5381 [2019-11-15 23:53:22,530 INFO L226 Difference]: Without dead ends: 2546 [2019-11-15 23:53:22,533 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:53:22,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2019-11-15 23:53:22,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2125. [2019-11-15 23:53:22,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2019-11-15 23:53:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2479 transitions. [2019-11-15 23:53:22,579 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2479 transitions. Word has length 163 [2019-11-15 23:53:22,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:53:22,580 INFO L462 AbstractCegarLoop]: Abstraction has 2125 states and 2479 transitions. [2019-11-15 23:53:22,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:53:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2479 transitions. [2019-11-15 23:53:22,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-15 23:53:22,585 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:53:22,585 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:53:22,586 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:53:22,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:53:22,586 INFO L82 PathProgramCache]: Analyzing trace with hash 984032927, now seen corresponding path program 1 times [2019-11-15 23:53:22,586 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:53:22,586 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331943167] [2019-11-15 23:53:22,587 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:22,587 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:22,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:53:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:53:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-15 23:53:22,687 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331943167] [2019-11-15 23:53:22,688 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:53:22,688 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:53:22,688 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785579521] [2019-11-15 23:53:22,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:53:22,689 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:53:22,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:53:22,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:53:22,690 INFO L87 Difference]: Start difference. First operand 2125 states and 2479 transitions. Second operand 4 states. [2019-11-15 23:53:23,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:53:23,248 INFO L93 Difference]: Finished difference Result 4388 states and 5107 transitions. [2019-11-15 23:53:23,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:53:23,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2019-11-15 23:53:23,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:53:23,259 INFO L225 Difference]: With dead ends: 4388 [2019-11-15 23:53:23,259 INFO L226 Difference]: Without dead ends: 1985 [2019-11-15 23:53:23,262 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:53:23,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2019-11-15 23:53:23,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1705. [2019-11-15 23:53:23,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-11-15 23:53:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 1937 transitions. [2019-11-15 23:53:23,300 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 1937 transitions. Word has length 174 [2019-11-15 23:53:23,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:53:23,301 INFO L462 AbstractCegarLoop]: Abstraction has 1705 states and 1937 transitions. [2019-11-15 23:53:23,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:53:23,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 1937 transitions. [2019-11-15 23:53:23,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-15 23:53:23,305 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:53:23,305 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:53:23,306 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:53:23,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:53:23,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1962121537, now seen corresponding path program 1 times [2019-11-15 23:53:23,308 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:53:23,308 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680509050] [2019-11-15 23:53:23,308 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:23,308 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:23,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:53:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:53:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-15 23:53:23,375 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680509050] [2019-11-15 23:53:23,375 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:53:23,376 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:53:23,376 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507850465] [2019-11-15 23:53:23,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:53:23,377 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:53:23,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:53:23,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:53:23,378 INFO L87 Difference]: Start difference. First operand 1705 states and 1937 transitions. Second operand 3 states. [2019-11-15 23:53:23,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:53:23,765 INFO L93 Difference]: Finished difference Result 3411 states and 3863 transitions. [2019-11-15 23:53:23,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:53:23,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-11-15 23:53:23,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:53:23,771 INFO L225 Difference]: With dead ends: 3411 [2019-11-15 23:53:23,771 INFO L226 Difference]: Without dead ends: 1707 [2019-11-15 23:53:23,773 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:53:23,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-11-15 23:53:23,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1703. [2019-11-15 23:53:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-11-15 23:53:23,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1867 transitions. [2019-11-15 23:53:23,804 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1867 transitions. Word has length 187 [2019-11-15 23:53:23,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:53:23,804 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1867 transitions. [2019-11-15 23:53:23,804 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:53:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1867 transitions. [2019-11-15 23:53:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2019-11-15 23:53:23,810 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:53:23,811 INFO L380 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:53:23,811 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:53:23,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:53:23,811 INFO L82 PathProgramCache]: Analyzing trace with hash -747241302, now seen corresponding path program 1 times [2019-11-15 23:53:23,812 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:53:23,812 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760725844] [2019-11-15 23:53:23,812 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:23,812 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:23,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:53:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:53:24,018 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 125 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-11-15 23:53:24,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760725844] [2019-11-15 23:53:24,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881694743] [2019-11-15 23:53:24,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer/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 [2019-11-15 23:53:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:53:24,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:53:24,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:53:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-15 23:53:24,331 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:53:24,331 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-15 23:53:24,332 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594239593] [2019-11-15 23:53:24,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:53:24,333 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:53:24,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:53:24,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:53:24,334 INFO L87 Difference]: Start difference. First operand 1703 states and 1867 transitions. Second operand 3 states. [2019-11-15 23:53:24,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:53:24,795 INFO L93 Difference]: Finished difference Result 3818 states and 4177 transitions. [2019-11-15 23:53:24,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:53:24,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2019-11-15 23:53:24,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:53:24,796 INFO L225 Difference]: With dead ends: 3818 [2019-11-15 23:53:24,796 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:53:24,800 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:53:24,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:53:24,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:53:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:53:24,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:53:24,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 281 [2019-11-15 23:53:24,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:53:24,801 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:53:24,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:53:24,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:53:24,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:53:25,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:53:25,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:53:25,313 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-15 23:53:25,530 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-15 23:53:25,531 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,532 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,532 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,532 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-15 23:53:25,532 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-15 23:53:25,532 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-15 23:53:25,532 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-15 23:53:25,532 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-15 23:53:25,532 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-15 23:53:25,532 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-15 23:53:25,532 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,532 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,533 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,533 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-15 23:53:25,533 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-15 23:53:25,533 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-15 23:53:25,533 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-15 23:53:25,533 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-15 23:53:25,533 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-15 23:53:25,533 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-15 23:53:25,533 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,533 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,533 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,533 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-15 23:53:25,534 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-15 23:53:25,534 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-15 23:53:25,534 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-15 23:53:25,534 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-15 23:53:25,537 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,537 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,538 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,538 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-15 23:53:25,538 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-15 23:53:25,538 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-15 23:53:25,538 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-15 23:53:25,540 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-15 23:53:25,540 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-15 23:53:25,540 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-15 23:53:25,541 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-15 23:53:25,541 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,541 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,541 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,541 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-15 23:53:25,541 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-15 23:53:25,542 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-15 23:53:25,542 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-15 23:53:25,542 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-15 23:53:25,542 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-15 23:53:25,542 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-15 23:53:25,542 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-15 23:53:25,543 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,543 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,543 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,543 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-15 23:53:25,543 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-15 23:53:25,543 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-15 23:53:25,543 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-15 23:53:25,543 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-15 23:53:25,544 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-15 23:53:25,544 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-15 23:53:25,544 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-15 23:53:25,544 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-15 23:53:25,544 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,544 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,544 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,545 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-15 23:53:25,545 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-15 23:53:25,545 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-15 23:53:25,545 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-15 23:53:25,546 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-15 23:53:25,546 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-15 23:53:25,546 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,546 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,546 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,546 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-15 23:53:25,546 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-15 23:53:25,547 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-15 23:53:25,547 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-15 23:53:25,547 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-15 23:53:25,547 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:53:25,547 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-15 23:53:25,547 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-15 23:53:25,547 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-15 23:53:25,548 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,548 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,548 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,548 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-15 23:53:25,548 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-15 23:53:25,548 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-15 23:53:25,548 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-15 23:53:25,549 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-15 23:53:25,549 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,549 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,549 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,549 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-15 23:53:25,549 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-15 23:53:25,549 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-15 23:53:25,550 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-15 23:53:25,550 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-15 23:53:25,550 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-15 23:53:25,550 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-15 23:53:25,550 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-15 23:53:25,550 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-15 23:53:25,550 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-15 23:53:25,551 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:53:25,551 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-15 23:53:25,551 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,551 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,551 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-15 23:53:25,551 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-15 23:53:25,551 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-15 23:53:25,552 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-15 23:53:25,552 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-15 23:53:25,552 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-15 23:53:25,552 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-15 23:53:25,552 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-15 23:53:25,552 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-15 23:53:25,553 INFO L439 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1))) (let ((.cse8 (= ~a17~0 8)) (.cse9 (not (= ~a28~0 11))) (.cse0 (= ~a19~0 1)) (.cse10 (not .cse2)) (.cse1 (= ~a11~0 1))) (let ((.cse5 (or (and .cse10 .cse1 .cse9) (and .cse0 .cse10 .cse1))) (.cse7 (<= 10 ~a28~0)) (.cse6 (= ~a28~0 9)) (.cse3 (<= ~a19~0 0)) (.cse4 (and .cse10 .cse8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse3 .cse5) (and .cse6 .cse3) (and .cse7 .cse5) (and .cse8 .cse0 .cse9) (and .cse7 .cse0 .cse2) (and .cse6 .cse8 .cse1) (and .cse3 .cse8 .cse9) (and .cse4 .cse1 .cse9))))) [2019-11-15 23:53:25,554 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,554 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,554 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-15 23:53:25,554 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-15 23:53:25,554 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-15 23:53:25,554 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-15 23:53:25,554 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-15 23:53:25,555 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-15 23:53:25,555 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-15 23:53:25,555 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,555 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,555 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-15 23:53:25,555 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-15 23:53:25,555 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-15 23:53:25,556 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-15 23:53:25,556 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-15 23:53:25,556 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-15 23:53:25,556 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-15 23:53:25,556 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-15 23:53:25,556 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-15 23:53:25,556 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,557 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,557 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-15 23:53:25,557 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-15 23:53:25,557 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-15 23:53:25,557 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-15 23:53:25,557 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-15 23:53:25,557 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-15 23:53:25,558 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1))) (let ((.cse8 (= ~a17~0 8)) (.cse9 (not (= ~a28~0 11))) (.cse0 (= ~a19~0 1)) (.cse10 (not .cse2)) (.cse1 (= ~a11~0 1))) (let ((.cse5 (or (and .cse10 .cse1 .cse9) (and .cse0 .cse10 .cse1))) (.cse7 (<= 10 ~a28~0)) (.cse6 (= ~a28~0 9)) (.cse3 (<= ~a19~0 0)) (.cse4 (and .cse10 .cse8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse3 .cse5) (and .cse6 .cse3) (and .cse7 .cse5) (and .cse8 .cse0 .cse9) (and .cse7 .cse0 .cse2) (and .cse6 .cse8 .cse1) (and .cse3 .cse8 .cse9) (and .cse4 .cse1 .cse9))))) [2019-11-15 23:53:25,558 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,558 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,558 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-15 23:53:25,558 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-15 23:53:25,559 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-15 23:53:25,559 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-15 23:53:25,559 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2019-11-15 23:53:25,559 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-15 23:53:25,559 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,559 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,559 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-15 23:53:25,560 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-15 23:53:25,560 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-15 23:53:25,560 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-15 23:53:25,560 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-15 23:53:25,560 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-15 23:53:25,560 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-15 23:53:25,560 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-15 23:53:25,560 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-15 23:53:25,561 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,561 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,561 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-15 23:53:25,561 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,561 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-15 23:53:25,561 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-15 23:53:25,561 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-15 23:53:25,562 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-15 23:53:25,562 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-15 23:53:25,562 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:53:25,562 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-15 23:53:25,562 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,562 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,562 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,563 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-15 23:53:25,563 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-15 23:53:25,563 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-15 23:53:25,563 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-15 23:53:25,563 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-15 23:53:25,563 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,563 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,563 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,564 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-15 23:53:25,564 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-15 23:53:25,564 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-15 23:53:25,564 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-15 23:53:25,564 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-15 23:53:25,564 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-15 23:53:25,565 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,565 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,565 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,565 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-15 23:53:25,565 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-15 23:53:25,565 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-15 23:53:25,565 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-15 23:53:25,565 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-15 23:53:25,566 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-15 23:53:25,566 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:53:25,566 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-15 23:53:25,566 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-15 23:53:25,566 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,566 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,566 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,567 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-15 23:53:25,567 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-15 23:53:25,567 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-15 23:53:25,567 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-15 23:53:25,567 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-15 23:53:25,567 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,567 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,568 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:53:25,568 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-15 23:53:25,568 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-15 23:53:25,568 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-15 23:53:25,568 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-15 23:53:25,568 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-15 23:53:25,568 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-15 23:53:25,568 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-15 23:53:25,569 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-15 23:53:25,569 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-15 23:53:25,569 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-15 23:53:25,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:53:25 BoogieIcfgContainer [2019-11-15 23:53:25,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:53:25,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:53:25,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:53:25,601 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:53:25,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:53:16" (3/4) ... [2019-11-15 23:53:25,605 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:53:25,631 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 23:53:25,633 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 23:53:25,828 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c82cd7d3-22f8-471d-aa2b-53e293da2019/bin/uautomizer/witness.graphml [2019-11-15 23:53:25,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:53:25,830 INFO L168 Benchmark]: Toolchain (without parser) took 11010.79 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 264.2 MB). Free memory was 939.4 MB in the beginning and 966.2 MB in the end (delta: -26.8 MB). Peak memory consumption was 237.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:53:25,830 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:53:25,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:53:25,831 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:53:25,832 INFO L168 Benchmark]: Boogie Preprocessor took 90.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:53:25,832 INFO L168 Benchmark]: RCFGBuilder took 1422.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:53:25,833 INFO L168 Benchmark]: TraceAbstraction took 8640.89 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 116.9 MB). Free memory was 1.0 GB in the beginning and 984.8 MB in the end (delta: 18.1 MB). Peak memory consumption was 135.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:53:25,833 INFO L168 Benchmark]: Witness Printer took 227.45 ms. Allocated memory is still 1.3 GB. Free memory was 984.8 MB in the beginning and 966.2 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:53:25,835 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 542.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1422.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8640.89 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 116.9 MB). Free memory was 1.0 GB in the beginning and 984.8 MB in the end (delta: 18.1 MB). Peak memory consumption was 135.0 MB. Max. memory is 11.5 GB. * Witness Printer took 227.45 ms. Allocated memory is still 1.3 GB. Free memory was 984.8 MB in the beginning and 966.2 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a11 == 1) && a25 == 1) || (a19 <= 0 && !(a25 == 1) && a17 == 8)) || (a19 <= 0 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || (a28 == 9 && a19 <= 0)) || (10 <= a28 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a28 == 9 && a17 == 8) && a11 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a11 == 1) && a25 == 1) || (a19 <= 0 && !(a25 == 1) && a17 == 8)) || (a19 <= 0 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || (a28 == 9 && a19 <= 0)) || (10 <= a28 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a28 == 9 && a17 == 8) && a11 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 8.5s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1152 SDtfs, 1525 SDslu, 214 SDs, 0 SdLazy, 4086 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 311 GetRequests, 291 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 289 HoareAnnotationTreeSize, 3 FomulaSimplifications, 606 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 312 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1692 NumberOfCodeBlocks, 1692 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1683 ConstructedInterpolants, 0 QuantifiedInterpolants, 626270 SizeOfPredicates, 1 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 770/773 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...